Star TRAPPIST-1

Red dwarf TRAPPIST-1 is located 40.7 light years away from the Sun. It is a single star of spectral class M7.5e, that has 9 % of solar mass. There are multiple known exoplanets in this system.

Red dwarfs are small reddish stars, it is by far the most common type of star in solar neighborhood.
Sun distance: 40.7 light years.
(Position of this star is derived from Gaia mission data.)
TRAPPIST-1
part of star image
part of star image
Red dwarf
spectral class M7.5e

0.0898 solar masses
0.1192 solar radii
temperature icontemperature 2400 °K (2127 °C)
time icon7.6 bilion years old star

6 known exoplanets:
TRAPPIST-1 b
| 1.374 earth masses
TRAPPIST-1 c
| 1.308 earth masses
TRAPPIST-1 d
| 0.388 earth masses
TRAPPIST-1 e
| 0.692 earth masses
TRAPPIST-1 f
| 1.039 earth masses
TRAPPIST-1 g
| 1.321 earth masses
Other designations of this star
2MASS J23062928-0502285, 2MASSI J2306292-050227, 2MASSW J2306292-050227, 2MUDC 12171, K2-112, TIC 278892590, WISEA J230630.02-050234.1, EPIC 200164267, Gaia EDR3 2635476908753563008
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