Exoplanetary Scratchpad

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An F6 type star which has the first exoplanet discovered in a retrograde orbit. Also the largest known exoplanet at 1.74 RJ and 0.5 JM. Discovered by transit. It may be "flipping" its star's axis. Orbit hints at a near planetary collision in its early years. One of the 6 out of 27 planets analyzed by the WASP team found to orbit backwards around its star in 2010. It was found to be abundant in CO, depleted in water and methane. It lacks a prominent stratosphere and has efficient day-night energy circulation. 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.

WASP-17 System Web PagesEdit

WASP-17 System In the NewsEdit

First Retrograde Planet Discovered (2009)Edit

One of six Retrograde Exoplanets (2010)Edit

Hubble Finds Water and Haze in 5 Exoplanet Atmospheres (2013)Edit

See also HD 209458 System, WASP-12 System, XO-1 System, WASP-19 System

Hubble Observes 10 Hot Jupiters (Dec 2015)Edit

See WASP-12 System, WASP-6 System, WASP-31 System, WASP-33 System, HD 189733 System, HAT-P-12 System, WASP-17 System, WASP-19 System, HAT-P-1 System, HD 209458 System

See AlsoEdit

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