TRAPPIST-1 DETAILS:
Constellation: Aquarius
Distance : 39 Light years
Surface Gravity: 5.2 cgs
Temperature : 2550 K
Rotation : 1.40 days
Age : 1 Gyears
Description :
In 2015 Astronomers discovered three Earth-seized planet Orbiting dwarf star. This term was led by Sir. Michael Gilon at the University of Liege in Belgium. In February of 2017, Astronomers announced that the planetary system of this star is composed of Seven Earth-like planets, three of which (e,f,g) orbit in the habitable zone.
Discovery:
They detected the planet using transit photometry with transisting planets and planetesimals small Telescope (Trappist-1) at the La Silla Observatory in Chile. On 22 February 2017, Astronomers announced four additional exoplanets around Trappist-1.
Nomenclature:
The star name Trappist-1 reflects that, it is the first star ever discovered by the TRAPPIST Telescope to have transiting planets. It is an ultracool dwarf star, of 8% mass and 11% radius of Our Sun. It has temperature of 2550 Kelvin and it is atleast 500 million years old.
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