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Exoplanetary Scratchpad

[SysBP Img]

A nearby ultra-cool dwarf star 39.13 ly away with three transiting Earth-sized planets. Two of these are potentially habitable and represent the easiest to study planets for biosignatures to be detected. The first two planets receive four and two times the irradiation of the Earth and are at the inner edge of the HZ and orbit at 1.5 and 2.4 days. The third planet most likely receives significantly less irradiation than the Earth with a period of 4.5 to 73 days. Their masses have not been determined, but are thought to be between half and twice Earth's. First planets found by the TRAnsiting Planets and PlanetesImals Small Telescope. The star is not much larger than Jupiter and only emits 5% the Sun's energy.

TRAPPIST-1 System Web PagesEdit

TRAPPIST-1 System In the NewsEdit

Three Planets Discovered (May 2016)Edit

See AlsoEdit

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