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IAU Naming Candidates

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Exoplanetary Scratchpad

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20 Most PopularEdit

See Top 20 IAU Naming Candidates (first allowed to be named)


OthersEdit

1 exoplanet (4 systems) 1 star + 1 exoplanet (225 systems)

  • 14 Herculis System - Contains the first discovered exoplanet orbiting beyond the habitable zone. An eccentric ammonia cloud giant ranging from 1.9 to 3.7 au from a yellow dwarf star.
  • 16 Cygni System - A hierarchical triple star system. Has one of the first highly eccentric Jovians discovered around the "outer" star B. Recent calculations show that a short period planet could exist around the same star, but none up to as large as Neptune could exist elsewhere. Kepler has performed astroseismology on stars A and B.
  • 4 Ursae Majoris System - A star system with a planet that will be named in 2015.
  • 6 Lyncis System - 6 Lyncis System
  • 70 Virginis System - The second normal star found to have planets, which is the first Eccentric Giant discovered and the first discovered by the Carnegie team. Planet nicknamed "Goldilocks" because it was perceived as the first planet discovered in its star's Habitability Zone. It was found to be much further away from Earth than initially believed and the star thus brighter, so the planet is now known to be too hot to have habitable moons.
  • 81 Ceti System - 81 Ceti System
  • BD-10 3166 System - BD-10 3166 System
  • BD-17 63 System - BD-17 63 System
  • Beta Pictoris System - Young massive star with the first discovered circumstellar disk and the source of most interstellar meteorites in the Solar System. Comet crystals were found to be similar composition as those in Solar System. The first exo-comet was discovered in this system in 1983 and is the only star known with a detected comet known to also have a planet. Hundreds of comets detected by transit, of which on average of 6 transits occur in a 30 minute spetra, have been placed into two groups. One family (Population D for "deep" absorption lines) were older comets depleted of their volatiles and trapped in mean motion resonance with planet b or another undiscovered one. The other is fresher (Population S for "shallow"), emit more dust, follow similar orbits, and may have been formed after the breakup of a larger object. Contains the youngest known exo-planet, which shows that Jupiter-like planets can form much quicker than previously believed. It is the closest-in exoplanet photographed and is at 8 AU and 7-11 Jupiter Masses and orbits in 20 years. This planet was first hinted at by studying dust disks in 2003 and first photographed in 2003, but it was not confirmed and was lost. It was imaged again in 2008, and became the first imaged exoplanet confirmed to move around its star in 2010. It has an effective temperature of 1,100 to 1,700C, showing that it is still warm and has retained much of its heat from its formation. Evidence of a planetary transit in 1981 was found in record. It was originally thought that a second planet must have caused a tilt in one of the disks, but now it known that the first planet is. Models show that it could create waves and spirals in the disk. Some data suggests the planet is unusually wide, perhaps evidence of a ring system around it. The planet is traveling through a relatively dust-free gap in the debris disk, and thought to be clearing it. The planet is losing momentum as it travels through the debris disk. A large belt of carbon monoxide 50-160 AU concentrated at 85 AU has been observed, possibly caused by collision of comets. A Saturn sized planet interior to the belt that is not currently detectable due to being edge on in the disk could be shepherding it. It is possible that diamond-planets are forming in the disk. A cubesat could target this star in search of a second planet using the transit method since the system is edge-on. Principle member of the Beta Pictoris Moving Group.
  • CoRoT-1 System - Contains the first transiting planet found by the French COROT mission. It was discovered during a test run and promises to be the first of many detected. One of the largest exoplanets found (and least dense), it has about Jupiter's mass, but 50% more diameter. The planet later became the first exoplanet whose phases were detected from Earth.
  • CoRoT-2 System - A younger version of the Sun with a transiting Inflated Hot Super Jupiter 880ly away. This planet has been used to identify star spots on its surface. It was found to be blasted with x-rays 100,000 times more powerful than the Earth is by the Sun, which is blasting 5 million tons of matter of the planet into space every second. The planet is unusually inflated for its distance. The system is believed to be 100 and 300 Million years old, young, but fully formed. The planet is 3 times as massive as Jupiter and orbits the planet about 10 Earth-Moon distances away. Its proximity may be speeding up its star, keeping its magnetic field active, and maintaining its volatility.
  • CoRoT-4 System - Sunlike star containing the first known transiting planet that has the same period as its star. Also the second longest period known transiting planet from its star of 9.2 days.
  • Epsilon Reticuli System - A cloudless blue jovian around an orange sub-giant star. This was the first exoplanet discovered beyond 0.2 AU that had a circular orbit.
  • GJ 176 System - GJ 176 System
  • GJ 436 System -
  1. REDIRECT Gliese 436 System
  • GJ 674 System - GJ 674 System
  • GJ 832 System - GJ 832 System
  • GJ 849 System - GJ 849 System
  • GJ 86 System - GJ 86 System
  • HAT-P-1 System - A stellar binary believed to contain the planet with the biggest known diameter and the least dense. This would have been only the second planet with such a low density. Later measurements showed it wasn't that inflated, and has the expected radius for a highly irradiated core-less Hot Jupiter.
  • HAT-P-2 System - Hat-P-2b (aka HD 147506b) is the most massive measured exoplanet discovered that is clearly not a Brown Dwarf and the first transiting Hot Super Planet discovered. It is the first known transiting planet with a significantly eccentric orbit (2.8 to 9.3 million miles) and experiences significant seasons. It briefly held the record of furthest out transiting planet. It takes about a day to heat up and 4-5 days to cool down. Spitzer can measure different depths with different infrared wavelengths. Its temperature was mapped out. Its daytime is as high as 2400K, while its night is 1200K. It would have winds blowing thousands of miles per hour.
  • HAT-P-3 System - A heavy-element rich planet transiting a metal rich K dwarf star. Its small size 0.89 JR for its mass 0.6 MJ indicates it has a rocky core.
  • HAT-P-4 System - A low-density inflated Hot Jupiter around a metal-rich star. Its presumed high level of heavy elements presents a challenge for explaining Inflated Hot Jupiters. Perhaps it has both a dense core and an inflated radius?
  • HAT-P-5 System - A Jupiter-like Hot Jupiter transiting a bright star.
  • HAT-P-6 System - An inflated Hot Jupiter (1.33 JR) around a bright F-type star. It's Jupiter-like mass (1.06 MJ) is higher than the other 5 low-density inflated Hot Jupiters known at the time of its discovery in 2007. Its star is one of the most metal-poor ones hosting a transiting planet. A small dense core is expected.
  • HAT-P-7 System - F8 star also known as GSC 03547-01402 containing a transiting Hot Jupiter and an outer Jovian and a further out stellar companion. Transiting planet was used as a test for the Kepler mission (dubbed Kepler 2), which was able to detect the planet's occulation, as well as evidence of phases. Very little of its heat is transported to its night side, with its hottest spot being 1,300 F hotter than its coldest spot. Its atmosphere could be made up of exotic gases like Titanium Oxide. The Hubble Space Telescope made its 1,000,000th science observation on this planet in the attempt to detect water in its atmosphere. The planet may "lift" its stars surface up gravitationally, reducing its temperature a fraction of a degree in a darkened spot that lags a few hours behind the planet. It was found by a Japanese team to be orbiting backwards only a day after the first retrograde exoplanet WASP-17b was announced. The Japanese team inspected two stars nearby, measured their proper motions, and found that one of them was a member of the system. They also confirmed an outer radial velocity detected Jovian between the planet c and companion star B. Star B is suspected of tilting planet c's orbit, which in turn affected planet b's orbit and caused it to orbit backwards.
  • HAT-P-8 System - Contains a transiting planet.
  • HAT-P-9 System - System that contains an inflated Hot Jupiter around a moderately faint F star.
  • HD 100777 System - HD 100777 System
  • HD 101930 System - A cloudless blue jovian around an orange dwarf star.
  • HD 102117 System - A cloudless blue jovian around an yellow dwarf star.
  • HD 102195 System - Template:HD 102195 System
  • HD 102272 System - A system composing of a Red Giant star and a planet that is as close to a giant as thought possible and closer than any other known. A second planet is suspected that would make this the first multiplanet red giant system known.
  • HD 106252 System - HD 106252 System
  • HD 10647 System - HD 10647 System
  • HD 10697 System - HD 10697 System
  • HD 107148 System - System that includes one of the 28 planets announced at the May 2007 AAS media briefing.
  • HD 108147 System - Template:HD 108147 System
  • HD 109749 System - HD 109749 System
  • HD 111232 System - HD 111232 System
  • HD 114386 System - Template:HD 114386 System
  • HD 114729 System - Multiple star system with a planet.
  • HD 114762 System - Multiple star system containing the first discovered extrasolar planet, though not the first confirmed one. This planet was also called Latham's Planet. It could be a Brown Dwarf, though a Super Jupiter seems more likely.
  • HD 114783 System - A white Water Cloud Jovian around an orange dwarf star located beyond the habitability zone.
  • HD 11506 System -
Exoplanetary Scratchpad

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System that includes one of the 28 planets announced at the May 2007 AAS media briefing.

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Map of HD 11506 SystemEdit

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Exoplanetary Scratchpad

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http://www.extrasolar.net/forums/viewtopic.php?p=3904
  • HD 173416 System - HD 173416 System
  • HD 175541 System - System that includes one of the 28 planets announced at the May 2007 AAS media briefing.
  • HD 177830 System - System with an early found Hot Jovian in it.
  • HD 178911 System - HD 178911 System
  • HD 179079 System - HD 179079 System
  • HD 179949 System - Contains the first planet discovered by the Anglo-Australian Planet Search, which is also the first exoplanet whose Magnetic Field was observed. This Hot Jupiter is about the same mass as Jupiter and orbits once every thre days. It was found to have supersonic winds that caused the night side (not tidally locked) to be as hot as the day side. This system is also the first observed to have planet-induced stellar X-ray activity. Magnetic interaction causes a bright spot on its star at 30 degrees latitude.
  • HD 185269 System - System that includes one of the 28 planets announced at the May 2007 AAS media briefing.
  • HD 187085 System - Template:HD 187085 System
  • HD 188015 System - A white Water Cloud Jovian around an yellow sub-giant star at near Earth-like temperatures.
  • HD 189733 System - A binary star in Velpulca (the "little fox") consisting of an Orange Dwarf star A and a Red Dwarf B (discovered shortly after planet Ab found and orbiting perpendicular to that planet's orbit and later detected in x-rays) orbiting 216 AU away. Planet Ab (the first nearby Very Hot Jupiter, originally thought to be inflated, is 13% larger and more massive than Jupiter) is the nearest transiting Hot Jupiter (62.9 ly). This is the first exoplanet to have its temperature mapped and was nicknamed Bull's Eye for its hot spot that is significantly offset from the starward pole. 5 years later, it later became the first world to have its thermal emissions mapped in both longtitude and latitude, confirming the hot spot was near the equator. Fast winds are thought to make the temperature of the eternal day and night sides nearly identical, which were later measured to be 2km/s when the planet became the first to have its wind and weather patterns mapped. It is also the first exoplanet for which scattered light in the upper atmosphere has been detected and the second exoplanet with water detected and first with Methane and then Carbon Dioxide detected. It later was the first exoplanet whose gasses were detected from Earth-based telescopes. It was also found to spin up its star and magnetically interact with it, causing stellar storms. Massive X-class solar flares blast off much of the planet's atmosphere and may render it undetectable. Hubble found that its atmosphere was a uniform blue haze. Blue was detected by determining which wavelengths were blocked during a transit. It was also found to rain molten glass, sideways, with 7000 km/hr winds and 1000C. It became the first exoplanet whose transit was detected in X-Rays, which revealed it had a very large extended outer atmosphere, which is losing material rapidly. The star is much more magnetically active for its age, possibly due to the planet's presence. There is speculation that it could have large planet-wide auroras. It's already-known mass was measured using an atmospheric pressure method to test its viability. By studying sodium spectra, it was determined that it gets hotter with altitude.
  • HD 190647 System - HD 190647 System
  • HD 192263 System - An early detected cloudless blue Jovian around an orange dwarf star.
  • HD 192699 System - System that includes one of the 28 planets announced at the May 2007 AAS media briefing.
  • HD 195019 System -
  1. REDIRECT HD 195019 System
Exoplanetary Scratchpad

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A planet around a yellow dwarf or yellow subgiant star almost 5 times as massive as Jupiter and in a very eccentric orbit.

HD 2039 System Web PagesEdit

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Map of HD 2039 SystemEdit

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  • HD 205739 System - HD 205739 System
  • HD 20782 System - Star with the most eccentric known exoplanet. This planet ranges from 2.5 AU to 0.06 AU and has Jupiter-like mass. A flash of reflected light was detected when planet b made its closest approach to the star. Unlike Hot Jupiters, which tend to lose their highly reflective clouds over time, there isn't enough of a chance for this reflective clouds to be removed during quick swingbys, so the planet remains very bright during close approaches.
  • HD 208487 System -
Exoplanetary Scratchpad

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Map of HD 208487 SystemEdit

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  • HD 20868 System - HD 20868 System
  • HD 209458 System - Has first discovered transiting planet which was nicknamed Osiris due to the (first detected) comet-like tail detected and the first exoplanet around a normal star to have its mass directly measured. Also the first Inflated Hot Jupiter found. The planet may be losing its outer atmosphere, or magnetism may prevent the ions from escaping. They detected water in its atmosphere (they had failed earlier), the first time this has been done for any exoplanet. 2nd Exoplanet with detected organic compounds; like HD 189733b, it has water and carbon dioxide, but it has a lot more Methane. Was one of 2 planets to have light directly taken and thus their temperatures read (over 1000K). Tracking carbon molecules with dopplar spectrometry caused it to be the first exoplanet detected to have winds, which are raging at 5,000 to 10,000 km/h. This is believed to cause hotspots to appear at terminators rather than at the star-ward facing point. Had one of the strongest water detection of the 5 exoplanets contrasted by Hubble in 2013, though still less intense than expected, probably due to dust clouds or a haze blocking its detection.
  • HD 210277 System -
Exoplanetary Scratchpad

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Map of HD 210277 SystemEdit

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Exoplanetary Scratchpad

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System that includes one of the 28 planets announced at the May 2007 AAS media briefing.

HD 210702 System Web PagesEdit

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Multiple star system with a planet.

HD 222582 System Web PagesEdit

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System that includes one of the 28 planets announced at the May 2007 AAS media briefing.

HD 224693 System Web PagesEdit

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System that includes one of the 28 planets announced at the May 2007 AAS media briefing.

HD 23127 System Web PagesEdit

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A cloudless blue jovian around an orange dwarf star.

HD 27894 System Web PagesEdit

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Exoplanetary Scratchpad

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Contains the first exoplanet discovered in a circular orbit within its star's habitability zone. A white Water Cloud Jovian around an yellow dwarf star at near Earth-like temperatures.

HD 28185 System Web PagesEdit

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A cloudless blue jovian around an orange dwarf star.

HD 330075 System Web PagesEdit

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Contains the first exoplanet discovered by the Hobby-Eberly Telescope (HET), which was the third most eccentric planet found, ranging from Hot Jupiter distance to Mercury-like distance.

HD 37605 System Web PagesEdit

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HET's First Planet Discovered (Jun 2004)Edit

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Exoplanetary Scratchpad

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Subgiant star with a cloudy Hot Jupiter, Brown Dwarf, and Red Dwarf companion. Simulations showed that Earth-sized planet could exist between the planet and brown dwarf, but that an asteroid belt can be expected there instead.

HD 38529 System Web PagesEdit

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Simulations Show Asteroid Belt Likely (2006)Edit

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Planet Predicted (2008)Edit

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Multiple star system with a planet.

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Exoplanetary Scratchpad

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A white Water Cloud Jovian around an yellow dwarf star located beyond the habitability zone.

HD 4208 System Web PagesEdit

HD 4208 System ArtworkEdit

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HD 4208 System In the NewsEdit

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HD 4208 System Fun LinksEdit

System FactoidsEdit

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HD 4208 Star FactoidsEdit

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Map of HD 4208 SystemEdit

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Exoplanetary Scratchpad

[SysBP Img]

Contains a highly eccentric planet which was recently studied to determine what other planets could exist in the system.

HD 45350 System Web PagesEdit

HD 45350 System ArtworkEdit

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HD 45350 System In the NewsEdit

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HD 45350 System Fun LinksEdit

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Map of HD 45350 SystemEdit

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Exoplanetary Scratchpad

[SysBP Img]

An orange subgiant around which the larger of the first two Saturnians discovered (79 Ceti b was the other one) orbits, which was the first "Epistellar Saturn" discovered.

HD 46375 System Web PagesEdit

HD 46375 System ArtworkEdit

HD 46375 System In the NewsEdit

First Saturnians Discovered (Mar 2000)Edit

http://www.journals.uchicago.edu/ApJ/journal/issues/ApJL/v536n1/005174/005174.html
http://origins.stsci.edu/news/2000/01/pr.html

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HD 46375 System Fun LinksEdit

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HD 46375 Star FactoidsEdit

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Exoplanetary Scratchpad

[SysBP Img]

Very large orange giant star with two large eccentric jovian discovered by the European-Brazilian team. The inner planet is at Earth-like distance, but is too hot for clouds to appear.

HD 47536 System Web PagesEdit

HD 47536 System ArtworkEdit

HD 47536 System In the NewsEdit

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HD 47536 System Fun LinksEdit

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Exoplanetary Scratchpad

[SysBP Img]

Contains the first planet found to have significantly less mass than Saturn.

HD 49674 System Web PagesEdit

HD 49674 System ArtworkEdit

HD 49674 System In the NewsEdit

Smallest Gas Giant Discovered (Jul 2002)Edit

http://adsabs.harvard.edu/abs/2003ApJ...582..455B
http://news.bbc.co.uk/2/hi/science/nature/2118391.stm
http://news.bbc.co.uk/2/hi/science/nature/2042826.stm

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HD 49674 System Fun LinksEdit

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HD 49674 Star FactoidsEdit

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Map of HD 49674 SystemEdit

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Exoplanetary Scratchpad

[SysBP Img]

Star system with a cold eccentric water-cloud jovian and an unconfirmed outer planet which was discussed when the Carnegie team announced 5 new multiplanet system components in 2005.

HD 50499 System Web PagesEdit

HD 50499 System ArtworkEdit

HD 50499 System In the NewsEdit

Sample Category (Year Range)Edit

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Additional Planet Discovered (Jan 2005)Edit

Systems_by_Study#Five_New_Multicomponent_Planetary_Systems_.28Jan_2005.29
Abstract

HD 50499 System Fun LinksEdit

System FactoidsEdit

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HD 50499 Star FactoidsEdit

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Exoplanetary Scratchpad

[SysBP Img]

One of the six extrasolar systems known to have planets to be first shown to also have a dust disk by Spitzer.

HD 50554 System Web PagesEdit

Dust Disk Imaged by Spitzer (Dec 04)Edit

See also HD 117176 System, HD 33636 System, HD 52265 System, HD 82943 System, HD 50554 System, HD 128311 System

http://www.nasa.gov/home/hqnews/2004/dec/HQ_04390_hubble_spitzer.html
http://www.space.com/scienceastronomy/planet_formation_041209.html
http://www.astronomy.com/asy/default.aspx?c=a&id=2648
http://www.newscientist.com/article.ns?id=dn6780
http://skytonight.com/news/3309801.html?page=1&c=y
http://www.signonsandiego.com/news/science/20041209-1438-ca-buildingplanets.html

  • HD 52265 System - Sunlike star 90 ly away in Monoceros with a planet. Star is 1.2 the Sun's radius, 1.3 its mass, and 2.5 BY old. The star is an ideal object of study for the interactions between stars and planets. One of the six extrasolar systems known to have planets to be first shown to also have a dust disk by Spitzer. Planet independently discovered by CORALIE and Carnegie teams and is at least a 1.09 MJ Jovian in a hot eccentric orbit. By analyzing sonic vibrations, oscillations in brightness, through astroseismology, the exact internal spin rate (12 days) and orientation of the star has been computed. Assuming the planet orbits along the star's equator, it's mass can be inferred to be 1.85 Jupiter's, calming some suspicions that it may be a brown dwarf.
  • HD 5319 System - HD 5319 System
  • HD 63454 System -
Exoplanetary Scratchpad

[SysBP Img]

A dark Hot Jupiter around an orange dwarf star.

HD 63454 System Web PagesEdit

HD 63454 System ArtworkEdit

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HD 63454 System In the NewsEdit

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HD 63454 System Fun LinksEdit

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HD 63454 Star FactoidsEdit

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Map of HD 63454 SystemEdit

0.00 AU - HD 63454
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Exoplanetary Scratchpad

[SysBP Img]

Template:HD 6434 System

HD 6434 System Web PagesEdit

HD 6434 System ArtworkEdit

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HD 6434 System In the NewsEdit

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HD 6434 System Fun LinksEdit

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HD 6434 Star FactoidsEdit

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Map of HD 6434 SystemEdit

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Exoplanetary Scratchpad

[SysBP Img]

Jovian around a sun-like star.

HD 65216 System Web PagesEdit

HD 65216 System ArtworkEdit

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HD 65216 System In the NewsEdit

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HD 65216 System Fun LinksEdit

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Map of HD 65216 SystemEdit

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Exoplanetary Scratchpad

[SysBP Img]

System that includes one of the 28 planets announced at the May 2007 AAS media briefing.

HD 66428 System Web PagesEdit

HD 66428 System ArtworkEdit

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HD 66428 System In the NewsEdit

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HD 66428 System Fun LinksEdit

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Map of HD 66428 SystemEdit

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Exoplanetary Scratchpad

[SysBP Img]

The youngest known star system with a planet.

HD 70573 System Web PagesEdit

HD 70573 System ArtworkEdit

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HD 70573 System In the NewsEdit

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Map of HD 70573 SystemEdit

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Exoplanetary Scratchpad

[SysBP Img]

First Jupiter analog discovered in a system with no giant planets further in, making it the closest solar system analog. Planet is 3.3 AU from an aging yellow dwarf star 90 light years away.

HD 70642 System Web PagesEdit

HD 70642 System ArtworkEdit

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HD 70642 System In the NewsEdit

Closest Solar System Analogue Discovered (2003)Edit

http://www.pparc.ac.uk/Nw/Md/Press/HomeFromHome.asp
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HD 70642 Star FactoidsEdit

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Exoplanetary Scratchpad

[SysBP Img]

A cloudy Hot Jupiter around an yellow dwarf star.

HD 76700 System Web PagesEdit

HD 76700 System ArtworkEdit

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HD 76700 System In the NewsEdit

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HD 76700 System Fun LinksEdit

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HD 76700 Star FactoidsEdit

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Map of HD 76700 SystemEdit

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http://en.wikipedia.org/wiki/HD_7924

  • HD 80606 System - Multiple star system (also known as Struve 1341) with a planet, which had a higher period (111 days) than any other known transiting planet and highest eccentricty (Halley's comet-like, epistellar distances to almost Earth-like distance) prior to the release of Kepler data. It is the nearest transiting Super Jupiter (4 MJ, radius slightly less than 1 RJ, 190ly). Its length of day is 36 hours. Discovered in 2001, but found to transit in 2009. Planet is the first one for which changes in weather have been observed. Potassium was detected from the high wind regions of the exosphere. In 2010 it was found to be only one of the two out of all 79 known transiting exoplanetary systems that could not support a habitable Earth-like planet, since its elongated orbit would destabilize any such planets. Planet thought to be in the process of becoming a Hot Jupiter. Observations suggested that energy transferred during closest approach to star would take 10 Billion Years to cause the orbit to circularize, meaning this tidal migration method may not be the preferred one to form hot jupiters.
  • HD 81040 System -
Exoplanetary Scratchpad

[SysBP Img]

Template:HD 81040 System

HD 81040 System Web PagesEdit

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HD 81040 System In the NewsEdit

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HD 81040 System Fun LinksEdit

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HD 81040 Star FactoidsEdit

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Map of HD 81040 SystemEdit

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Exoplanetary Scratchpad

[SysBP Img]

A cloudy Hot Jupiter around an orange dwarf star.

HD 83443 System Web PagesEdit

HD 83443 System ArtworkEdit

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HD 83443 System In the NewsEdit

Sample Category (Year Range)Edit

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HD 83443 System Fun LinksEdit

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HD 83443 Star FactoidsEdit

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Map of HD 83443 SystemEdit

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Exoplanetary Scratchpad

[SysBP Img]

A cloudy Hot Jupiter around an yellow sub-giant star.

HD 88133 System Web PagesEdit

HD 88133 System ArtworkEdit

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HD 88133 System In the NewsEdit

Sample Category (Year Range)Edit

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HD 88133 System Fun LinksEdit

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Map of HD 88133 SystemEdit

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Exoplanetary Scratchpad

[SysBP Img]

Contains a highly eccentric planet which was recently studied to determine what other planets could exist in the system.

HD 89744 System Web PagesEdit

HD 89744 System ArtworkEdit

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HD 89744 System In the NewsEdit

Sample Category (Year Range)Edit

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HD 89744 System Fun LinksEdit

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Map of HD 89744 SystemEdit

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Exoplanetary Scratchpad

[SysBP Img]

A yellow Water Cloud Jovian around an orange dwarf star.

HD 93083 System Web PagesEdit

HD 93083 System ArtworkEdit

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HD 93083 System In the NewsEdit

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HD 93083 System Fun LinksEdit

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Map of HD 93083 SystemEdit

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Exoplanetary Scratchpad

[SysBP Img]

System that includes one of the 28 planets announced at the May 2007 AAS media briefing.

HD 99109 System Web PagesEdit

HD 99109 System ArtworkEdit

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HD 99109 System In the NewsEdit

Sample Category (Year Range)Edit

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HD 99109 System Fun LinksEdit

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HD 99109 Star FactoidsEdit

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Map of HD 99109 SystemEdit

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  • HD 99492 System - HD 99492 System
  • Iota Horologii System - Iota Horologii is a bright yellow dwarf star, also known as HR 810. Contains the first planet discovered with an ESA instrument. This is an Eccentric Jupiter (over twice Jupiter's mass) and orbits almost as far as the Earth does from the Sun. Because of the greater luminosity of its star (50% more than the Sun), this planet is also considered a Hot Jovian. Stability analysis indicates that Earth-sized trojan planets could exist around this planet's orbit. A dust disk was announced around this star in 2000, but was later retracted as being due to an instrument defect. Another planet was also proposed, but retracted. System has a low C/O ratio like the Solar System.
  • Kappa Coronae Borealis System - Kappa Coronae Borealis System
  • MOA-2007-BLG-192-L System - MOA-2007-BLG-192-L System
  • MOA-2007-BLG-400-L System - MOA-2007-BLG-400-L System
  • NGC 2423 3 System - NGC 2423 3 System
  • OGLE-05-071L System - OGLE-05-071L System
  • OGLE-05-169L System - OGLE-05-169L System
  • OGLE-05-390L System - OGLE-05-390L System
  • OGLE235-MOA53 System - OGLE235-MOA53 System
  • OGLE2-TR-L9 System - First planet discovered around a rapidly rotating hot star and the hottest star with planets. Was detected by students while testing a method for investigating light fluctuations in the OGLE database. An inflated hot super Jupiter. Nicknamed "ReMeFra-1" for its discoverers.
  • OGLE-TR-10 System - Contains a bloated Hot Jupiter expected to be losing its atmosphere. Noted for its similarity to the first transiting exoplanet. Thought to not be so bloated, but then confirmed to really be bloated. Found to have the lowest measured surface gravity of any of the transiting exoplanets, considerably less than Earth. 5th confirmed OGLE planet. The first star observed to experience a stellar flare during the transit of one of its planets. The star is suggested to be active and have a high x-ray luminosity.
  • OGLE-TR-111 System - A yellow dwarf with a Hot Jupiter about half Jupiter's mass. Has the first OGLE-detected transiting "normal" Hot Jupiter (the others had unusually short periods). Data suggests the presence of a second planet, which, if confirmed, would make this the first system with more than one transiting planet.
  • OGLE-TR-113 System - A binary orange dwarf star 1800 ly away in a crowded star field in Carina. It contains the second discovered Very Hot Jupiter (34 hours, 0.023 au, 1.3 MJ) and one of the first discovered transiting planets. At one time it was the only known transiting Hot Jupiter with a surface gravity greater than Jupiter's. Between 2002 and 2009, its transit times were found to shorten by 60 ms per earth year. This indicates that it is slowly spiraling towards its sun, the first exoplanet found to be doing this, and may get ripped apart by its star in 1.4 million years, when its period is reduced to 10.8 hours. An alternate explanation may be that an unseen planetary companion is causing the timing differences.
  • OGLE-TR-132 System - Has the third discovered Very Hot Jupiter, validating the believability of the first one found. Transit timing analysis showed no variation, placing limits on further out planets.
  • OGLE-TR-182 System -
Exoplanetary Scratchpad

[SysBP Img]

Contains the 6th discovered OGLE transiting planet. It is considered a typical hot jupiter.

OGLE-TR-182 System Web PagesEdit

OGLE-TR-182 System ArtworkEdit

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OGLE-TR-182 System In the NewsEdit

Typical Transiting Hot Jupiter Detected (2007)Edit

http://arxiv.org/abs/0710.5278
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OGLE-TR-182 System Fun LinksEdit

System FactoidsEdit

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OGLE-TR-182 Star FactoidsEdit

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Map of OGLE-TR-182 SystemEdit

0.00 AU - OGLE-TR-182
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See AlsoEdit

Exoplanetary Scratchpad

[SysBP Img]

Contains the 7th discovered OGLE transiting planet. Has 20% greater radius than Jupiter and is thus classified as an inflated hot jupiter.

OGLE-TR-211 System Web PagesEdit

OGLE-TR-211 System In the NewsEdit

Inflated Hot Jupiter Detected (2007)Edit

http://arxiv.org/abs/0711.3978

See AlsoEdit

  • OGLE Planets
  • OGLE-TR-56 System - Contains first planet discovered by transit and later confirmed by Dopplar Spectroscopy (rather than the other way around). The first OGLE planet confirmed with the Dopplar method. It is 6000 ly away, 10 times as far as any previous known planet, in a different arm of the galaxy. Also the first Very Hot Jupiter and the first non-inflated Hot Jupiter discovered. It may meet its doom in less than a million years. Planet has one of the first two ground-detected atmospheres. Has an atmosphere hotter than any other measured so far. Unlike other hot Jupiters observed, it is way too hot for clouds of silicon or iron to form which would keep it dark.
Exoplanetary Scratchpad

[SysBP Img]

Template:Tau1 Gruis System

Tau1 Gruis System Web PagesEdit

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Tau1 Gruis System In the NewsEdit

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System FactoidsEdit

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  • TrES-1 System - Contains the first transiting exoplanet discovered with the TrES amateur equipment and second transiting exoplanet close enough to have its atmosphere studied. It is the first Hot Jupiter that had the expected radius. Was the one of the first two exoplanets to have its light separated from its host star. Has a cloud or torus of particles around it. Tidal heating is predicted due to its eccentric orbit, but this has not seem to have inflated its radius.
  • TrES-2 System - Contains TrES-2, which was the most massive nearby transiting planet until the discovery of Hat-P-2 b. It has a large radius for a planet not considered inflated. A large ground-based telescope method of observation was pioneered on this planet. Since its in Keplar's field of view, it was observed by it as a test subject and dubbed Kepler1b. A second planet is possibly responsible for fluctuations in the first's inclination. Kepler determined that it is the darkest known planet, blacker than coal, due to its extremely low dimming and brightening detected during transits. It would appear black except for some faint red tinge. This conflicts with current theories, which thought that a Hot Jupiter could only get as dark as Mercury. It appears that the planet is too hot for reflective clouds to form and instead its atmosphere contains light-absorbing chemicals. An off-the-cuff nickname Erebus (Greek god of darkness) has been suggested. It was also the first planet whose phases have been detected.
  • TrES-3 System - Has planet TrES-3, the most massive transiting Very Hot Jupiter planet. Planet has one of the first two ground-detected atmospheres. A large ground-based telescope method of observation was pioneered on this planet.
  • TrES-4 System -
Exoplanetary Scratchpad

[SysBP Img]

Contains the transiting planet TrES-4, the largest (volume) exo-planet at the time of its discovery, orbiting a sub-giant star.

GSC 02620-00648 System Web PagesEdit

GSC 02620-00648 System In the NewsEdit

Largest Planet Discovered (Aug 2007)Edit

Magnetic Explanation for Inflated Hot Jupiters (Feb 2010)Edit

See AlsoEdit

Exoplanetary Scratchpad

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A post-red giant star (a sub-dwarf)containing a planet that was nearly devoured by the expanding star, but which has survived. The planet was originally at an Earth-like distance but had since been pushed out to a safer distance.

V391 Pegasi System Web PagesEdit

V391 Pegasi System ArtworkEdit

Template:V391 Pegasi Gallery

V391 Pegasi System In the NewsEdit

Planet Discovered (Sep 2007)Edit

http://space.newscientist.com/article/dn12634-planet-survives-close-call-with-searing-red-giant.html
http://www.space.com/scienceastronomy/070912_rgiant_planet.html
http://www.eurekalert.org/pub_releases/2007-09/afot-rtp092107.php

Sample Category (Year Range)Edit

http://sample_url.com
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V391 Pegasi System Fun LinksEdit

System FactoidsEdit

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V391 Pegasi Star FactoidsEdit

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Planet b FactoidsEdit

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Map of V391 Pegasi SystemEdit

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  • WASP-1 System - Has the first planet detected by the WASP program, which is the third "inflated" Hot Jupiter detected, which suggested these planets were fairly common. It was nicknamed "Garafía-1" after the municipality that hosts the Roque de Los Muchachos Observatory. Was the largest known exoplanet for about a year. Shows signs of atmospheric blow-off.
  • WASP-10 System - System that contains a super Jupiter around an orange star. At first believed to be inflated, but later found to be smaller. Has a density similar to the moon. Has a candidate planet detected by the Transit Timing Variation method.
  • WASP-11-HAT-P-10 System - WASP-11-HAT-P-10 System
  • WASP-12 System - The shortest period transiting Hot Jupiter known when discovered in 2008 and the first carbon-rich planet ever found (more Carbon than Oxygen). One of the two largest known planets at 1.79 Jupiter radii. Hottest known exoplanet at time of its discovery. Planet is being ripped apart by star. It is stretched in the shape of a rugby ball and leaves a ring around its star. Huge cloud of material detected around the planet containing elements never before detected on an exoplanet. This cloud is much larger than expected, and shrouds the entire star, making it undetectable at some wavelengths. Studying this cloud could reveal magnetic properties of the stellar system. Magnesium found in this shroud supports the blow-off theory where Hydrogen escapes from the planet so quickly other material is blown off with it. Two other Hot Jupiters are known to have planetary enveloping clouds, and others as close are expected to have similar system wide clouds, but not those further away. It has much more methane than water vapor. It may produce shock waves as it plows through its star's stellar wind (the first evidence of shocks around an exoplanet, like Earth and Saturn's bowshocks), possibly produced by a strong planetary magnetic field. This could protect its atmosphere from being stripped away. It could have a diamond core and other terrestrial planets in system would have black spots on them and also be carbon based. One of 5 exoplanets whose water abundance was measured by Hubble in 2013 and found to be less abundant than expected, probably due to a layer of haze or dust blocking detection..
  • WASP-14 System - Contains 14th confirmed WASP planet. One of the densest planets known. One of the most massive transiting exoplanets found (7.3 MJ). Has moderate eccentricity.
  • WASP-2 System - Contains second planet discovered by WASP program. This planet is a rather heavy transiting planet, has a large rocky core, and conforms to present models (in contrast to WASP-1). One of the 6 out of 27 planets analyzed by the WASP team found to orbit backwards around its star in 2010. Shows signs of atmospheric blow-off.
  • WASP-3 System - One of three systems discovered by Super WASP containing a transiting very hot jupiter so close to its star that it is evaporating. Like the other two, WASP-4 and 5, it is incapable of radiating away heat from its star and instead swells up to significantly larger than Jupiter. This is a planet 81% more massive than Jupiter with 13% larger radius going around in just less day 2 days. Its transit time varies by up to 3 minutes, which indicates that a further planet may be in this system. This would be a further Neptunian planet and would be the first exoplanet detected by measuring eclipse timing deviations of an earlier discovered planet (Transit Timing Variation method). Further observations are needed to confirm the planet, but the best fit is that it is in 2:1 resonance with the larger planet. Planet b found to be in a low inclination prograde orbit with respect to its star's equator.
  • WASP-4 System - One of three systems discovered by Super WASP containing a transiting very hot jupiter so close to its star that it is evaporating.
  • WASP-5 System - One of three systems discovered by Super WASP containing a transiting planet so close to its star that it is evaporating. A dense very hot jupiter, the densest known Jupiter mass planet at the time of its discovery (Mass is 63% more than Jupiter, Radius is 17% more). Found to orbit in the same manner as its star's rotation, while 6 out of 27 planets analyzed by the WASP team were found to orbit backwards around its star in 2010. Has a candidate planet detected by the Transit Timing Variation method.
  • WASP-7 System - The brightest known transiting planet (hot enough to shine) in the southern hemisphere at the time of its discovery. Very similar to Jupiter in mass and radius, though at 26% higher density, it is one of the most dense known planets, indicative of a rocky core.
  • XO-1 System - Transiting hot jupiter discovered with the use of backyard telescopes. It is about the same size of Jupiter and has a very small core. 10th discovered transiting planet. Its star was the most sun-like star with transiting planets at the time. One of 5 exoplanets whose water abundance was measured by Hubble in 2013 and found to be less abundant than expected, probably due to a layer of haze or dust blocking detection..
  • XO-2 System - Contains a transiting planet. The planet is a little more than half Jupiter's mass, but is inflated to just above its radius. It was the first planet found to have Potassium detected, which is an element long thought to a dominant source for opacity in hot Jupiters.
  • XO-3 System -
Exoplanetary Scratchpad

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Planet is the first transiting object with mass on the borderline between being a planet and a Brown Dwarf. The largest known planet in a torch orbit at time of its discovery. Found to be inclined to its star 37degrees, while every other torch planet aligns with their star's equator. Heat received from star varies three-fold due to its eccentricity. Larger than models predict. Has a temperature inversion in its stratosphere.

XO-3 System Web PagesEdit

XO-3 System In the NewsEdit

Transiting Planet/Brown Dwarf Confirmed (May 2007)Edit

http://www.abstractsonline.com/viewer/viewAbstract.asp?CKey={BE69A3BB-C1E9-4707-ADB8-7A273CC66FEB}&MKey={A337B196-0893-43F9-B7C1-E0CC81EC6F4C}&AKey={AAF9AABA-B0FF-4235-8AEC-74F22FC76386}&SKey={7D24A127-3B6D-4EEB-B435-D976AB2AB414}
http://www.space.com/scienceastronomy/070530_odd_planet.html
http://www.eurekalert.org/pub_releases/2007-05/ru-xsp052507.php
http://deseretnews.com/dn/view/0,1249,660225797,00.html
http://www.cosmosmagazine.com/node/1358
http://www.skyandtelescope.com/news/7847057.html

Planet Probably Kicked in High Inclined Orbit (Sep 2008)Edit

http://www.newscientist.com/article/mg19926744.400
http://sample_url.com

Orbit Refined (Jun 2009)Edit

Thermal Emission and Tidal Heating Studied (Jan 2010)Edit

See AlsoEdit

Exoplanetary Scratchpad

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System that contains an inflated Hot Jupiter.

1

XO-4 System Web PagesEdit

XO-4 System In the NewsEdit

Inflated Hot Jupiter Around a F Star (May 2008)Edit

See AlsoEdit

1 star + 2 exoplanets (20 systems)

Exoplanetary Scratchpad

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System with two Jovians that could have bands of white water clouds. The inner planet is in a circular orbit and enjoy's Earth-like heat. Its second planet, which was announced with four other new multiplanet systems in 2005, is in an eccentric orbit that would span our solar system's inner asteroid belt.

HD 108874 System Web PagesEdit

HD 108874 System ArtworkEdit

HD 108874 System In the NewsEdit

Sample Category (Year Range)Edit

http://sample_url.com
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Additional Planet Discovered (Jan 2005)Edit

Systems_by_Study#Five_New_Multicomponent_Planetary_Systems_.28Jan_2005.29
Abstract

HD 108874 System Fun LinksEdit

System FactoidsEdit

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HD 108874 Star FactoidsEdit

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Planet b FactoidsEdit

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Map of HD 108874 SystemEdit

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Exoplanetary Scratchpad

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Sunlike star with two eccentric gas giants detected in 2005. The outermost one was retracted but then re-confirmed as one of the 28 planets announced at the May 2007 AAS media briefing. The inner most has half the mass of Saturn and is too hot for clouds. The outer one is cool and likely dominated by white water clouds. A middle planet may also exist.

HD 11964 System Web PagesEdit

HD 11964 System ArtworkEdit

HD 11964 System In the NewsEdit

3 Planet Model Proposed (Sep 2007)Edit

http://fr.arxiv.org/abs/0709.0970

Sample Category (Year Range)Edit

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HD 11964 System Fun LinksEdit

System FactoidsEdit

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HD 11964 Star FactoidsEdit

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Planet b FactoidsEdit

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Map of HD 11964 SystemEdit

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Exoplanetary Scratchpad

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System with two Jovians that could support water clouds discovered in 2000 and 2002. The innermost one may be an "Eccentric Sulfurous Cloud Giant".

HD 12661 System Web PagesEdit

HD 12661 System ArtworkEdit

HD 12661 System In the NewsEdit

Sample Category (Year Range)Edit

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HD 12661 System Fun LinksEdit

System FactoidsEdit

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HD 12661 Star FactoidsEdit

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Planet b FactoidsEdit

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Map of HD 12661 SystemEdit

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Exoplanetary Scratchpad

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An orange dwarf star with two jovians (a Jupiter analog detected in 2005 and an eccentric giant in the outer habitable zone) possibly in 1:2 resonance and a dusk disk detected by Spitzer.

HD 128311 System Web PagesEdit

Dust Disk Imaged by Spitzer (Dec 04)Edit

See also HD 117176 System, HD 33636 System, HD 52265 System, HD 82943 System, HD 50554 System, HD 128311 System

http://www.nasa.gov/home/hqnews/2004/dec/HQ_04390_hubble_spitzer.html
http://www.space.com/scienceastronomy/planet_formation_041209.html
http://www.astronomy.com/asy/default.aspx?c=a&id=2648
http://www.newscientist.com/article.ns?id=dn6780
http://skytonight.com/news/3309801.html?page=1&c=y
http://www.signonsandiego.com/news/science/20041209-1438-ca-buildingplanets.html

Exoplanetary Scratchpad

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The extrasolar system with the lowest metalicity host star. Its two known Jovian planets were discovered recently and challenged planetary formation theorists. The two planets interact gravitationally with each other and are on opposite sides of the star's habitable zone.

HD 155358 System Web PagesEdit

HD 155358 System ArtworkEdit

HD 155358 System In the NewsEdit

2 Planets Discovered (2007)Edit

New planetary system with 2 habitable planets - Extrasolar Vision Thread
http://mcdonaldobservatory.org/news/releases/2007/0523.html
http://austral.as.utexas.edu/planets/hd155358/hd155358.html
http://www.nature.com/news/2007/070604/full/070604-4.html

HD 155358 System Fun LinksEdit

System FactoidsEdit

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HD 155358 Star FactoidsEdit

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Planet b FactoidsEdit

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Map of HD 155358 SystemEdit

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Exoplanetary Scratchpad

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Bright star with two eccentric planets known in 2003. One is likely too hot to have any clouds, while the other one is likely to sport white water cloud bands.

HD 169830 System Web PagesEdit

HD 169830 System ArtworkEdit

HD 169830 System In the NewsEdit

Sample Category (Year Range)Edit

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HD 169830 System Fun LinksEdit

System FactoidsEdit

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HD 169830 Star FactoidsEdit

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Map of HD 169830 SystemEdit

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  • HD 183263 System - HD 183263 System
  • HD 187123 System - Solar twin system containing one of the earlier discovered Hot Jupiters (similar to 51 Peg b) and that had early indications of an outer planet. The confirmation of this massive distant eccentric jovian was announced at the May 2007 AAS media briefing, along with 27 other exoplanets. No transits have been detected for this planet.
Exoplanetary Scratchpad

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System with two large orbit-crossing Jovians locked in 1:2 resonance that would span the inner solar system to the asteroid belt. The second planet was one of the 28 planets announced at the May 2007 AAS media briefing.

HD 73526 System Web PagesEdit

HD 73526 System ArtworkEdit

HD 73526 System In the NewsEdit

Sample Category (Year Range)Edit

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HD 73526 System Fun LinksEdit

System FactoidsEdit

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HD 73526 Star FactoidsEdit

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Planet b FactoidsEdit

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Map of HD 73526 SystemEdit

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Exoplanetary Scratchpad

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Sunlike star with two planets more massive than Jupiter, one in about Mercury's position, and one at an Asteroid Belt-like position. A planet was predicted in between these two at Earth-like distances and later found, the first vindicated prediction since Neptune. This supports the "Packed Planetary Systems" theory. Some have suggested that it's one Earth year orbit period may mean its detection is due to Earth based observation errors.

HD 74156 System Web PagesEdit

HD 74156 System ArtworkEdit

HD 74156 System In the NewsEdit

Sample Category (Year Range)Edit

http://sample_url.com
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Terrestrial Planet Not Likely Between Giant Planets (2006)Edit

http://www.newswise.com/articles/view/522167/
http://sample_url.com

Planet d Discovered Near 1AU (2007)Edit

Planet d May be Due to Earth-based Observation Error (2007)Edit

http://arxiv.org/abs/0712.3862

Planet d Supports Packed Planet Theory (2008)Edit

http://news.bbc.co.uk/2/hi/science/nature/7183563.stm http://uanews.org/node/17491

HD 74156 System Fun LinksEdit

System FactoidsEdit

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HD 74156 Star FactoidsEdit

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Planet b FactoidsEdit

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Map of HD 74156 SystemEdit

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Exoplanetary Scratchpad

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Yellow dwarf with two large orbit-crossing Jovians locked in 1:2 orbital resonance that would span the inner solar system, which were disccovered by the Swiss team by 2001. The planets have nearly identical mass (1.8 MJ). Shown to have a dust disk by Spitzer.

HD 82943 System Web PagesEdit

Dust Disk Imaged by Spitzer (Dec 04)Edit

See also HD 117176 System, HD 33636 System, HD 52265 System, HD 82943 System, HD 50554 System, HD 128311 System

http://www.nasa.gov/home/hqnews/2004/dec/HQ_04390_hubble_spitzer.html
http://www.space.com/scienceastronomy/planet_formation_041209.html
http://www.astronomy.com/asy/default.aspx?c=a&id=2648
http://www.newscientist.com/article.ns?id=dn6780
http://skytonight.com/news/3309801.html?page=1&c=y
http://www.signonsandiego.com/news/science/20041209-1438-ca-buildingplanets.html

Exoplanetary Scratchpad

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System with two eccentric planets discovered in 2006 by the Carnegie team. One is a moderately eccentric massive Hot Jupiter, while the other is a very eccentric half-Jupiter orbiting at Mercury-like distances.

HIP 14810 System Web PagesEdit

HIP 14810 System ArtworkEdit

HIP 14810 System In the NewsEdit

Sample Category (Year Range)Edit

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HIP 14810 System Fun LinksEdit

System FactoidsEdit

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HIP 14810 Star FactoidsEdit

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Planet b FactoidsEdit

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Map of HIP 14810 SystemEdit

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1 star + 3 exoplanets (9 systems)

  • GJ 581 System - GJ 581 System
  • Gliese 876 System - Ross 780 is also known as Gl 876 and the flare star IL Aquarii. Very nearby quadruple planet system and the first Red Dwarf found to have planets. The innermost planet (d, Hot Superterran, rocky-water) was the first found rocky planet around a normal star (the first true Super-Earth, at epistellar distances). The outer three planets c (Warm Saturnian), b (Warm Jovian), and e (Cold Neptunian) are in 1:2:4 (30d/60d/120d) resonance (the exoplanet resonance and first triple-resonant planets discovered). The outermost planet has a Mercury-like orbit. Planet b is second discovered by ELODIE after 51 Peg b and the second to have its mass exactly measured and the first to have done so by astrometry.
  • HD 181433 System - HD 181433 System
  • HD 37124 System -
Exoplanetary Scratchpad

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The fourth triple planet system discovered around a normal star, the last one announced with 4 other multiplanet components in 2005. A Sunlike star with Jovian planets that received Venus-like, Mars-like, and Asteroid Belt-like radition from their stars. Simulations showed that no terrestrial planets could form between the Venus-like and Mars-like Jovian planets.

HD 38529 System Web PagesEdit

HD 38529 System ArtworkEdit

HD 38529 System In the NewsEdit

Sample Category (Year Range)Edit

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Simulations Discourage Formation of Earth-Like Planets (2006)Edit

http://www.newswise.com/articles/view/522167/
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HD 38529 System Fun LinksEdit

System FactoidsEdit

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HD 38529 Star FactoidsEdit

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Planet b FactoidsEdit

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Map of HD 38529 SystemEdit

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  • HD 40307 System - A bright orange dwarf star with six known non-transiting super-Earth planets, including one of the most potentially habitable planets known. The star is about the same age as the Sun and is not magnetically active. The first three were announced with 45 other HARPS detected by Swiss team who discovered 51 Pegasus as part of the HARPs project. Early dynamic studies suggested these were smaller versions of Neptune, rather than larger versions of Earth. The next three were found by another team using a new method with existing data that threw out unreliable data. The inner 5 planets range from epistellar distances to half Mercury's distance. The outermost planet g orbits at Venus-like distances and is well within the habitable zone. It has a minimum of 7 times Earth's mass and receives 62% of the radiation Earth does. Liquid water could exist on the surface if it proves to be rocky. Unlike many other potentially habitable planets, it is not tidally locked. It is also by far the nearest potentially habitable planet around a sun-like star. It is a good future target for direct imaging. It was calculated that the planet might still have a magnetic field just barely strong enough to shield it from stellar radiation to protect its ocean.
  • HD 69830 System - First planetary system found that does not have a Jupiter-sized planet around a normal star (K0 spectrum). Contains 3 Neptunians and the first discovered asteroid belt that is like the size and age as the Sun's. The debris from this belt that was detected was from the breakup of an asteroid, is 20 times as massive as our own, and would cause zodiacal lights 1000 times brighter than we see from Earth. The smallest and outermost planet may be a 10 ME super Earth, is within the habitable zone, and is an inner shepherd for the asteroid belt. Halo 3 features a fictitious moon around this planet.
  • HR 8799 System - Hot young star system 300 ly away which is the only imaged and wide multiplanetary system. The 30 MY old star is the only known Gamma Doradus variable that is also a Vega-like star. The innermost is e (14.5 AU, 10 MJ), followed by d (24 AU, 10 MJ), c (38 AU, 10 MJ), and b (68 AU, 7 MJ). Inside the inner planet's orbit is an asteroid belt, while outside of the outer planet is a cometary belt (including a clump at 1:2 resonance with the outermost planet), while further yet is a huge halo extending to 2000 AU. The outer three are planets are 2-2.5 times as far as Saturn, Uranus, and Neptune are respectively, but receive similar radiation. The large planets would likely pull the system apart, leading scientists to believe the inner three planets are probably locked in a 1:2:4 orbital resonance in order to maintain stability. An inner planet is at Saturn-to-Uranus-like distances and challenges planetary formation models. Fomalhaut is the only other system where interaction between planets and dust belts can be observed. They are near the upper limits of mass to be classified as planets and could be Brown Dwarves. Upper mass limits are determined by system stability models. All three planets were later found in archived Hubble images. The middle planet became the first to have its spectrum directly measured. The spectrum confused scientists and didn't fit current formation theories. They contain carbon monoxide and are depleted in methane, which suggests they were formed in part by absorbing comets in the system. The outermost planet b has unusually thick dust clouds. There is possibly a fifth undetected planet in an inner resonant orbit.

1 star + 4 exoplanets (1 system) 1 star + 5 exoplanets (1 system)

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