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cool red dwarf · M3.5V

GJ 3929

GJ 3929 is a cool red dwarf 51.6 light-years from Earth, with a temperature of 3,384 K, 0.31 times the Sun's mass and an age of about 7.1 billion years. It has 2 known planets.

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Planets
2 
Distance
51.6 light-years15.8 pc
Star
3,384 K0.32 R☉

About this system

The innermost, GJ 3929 b, circles it in 2.62 days; the outermost, GJ 3929 c, in 15 days.

Worlds of GJ 3929

NameTypeSizeA yearTemperature
GJ 3929 bEarth-sized 1.1 × Earth2.62 days568 K
GJ 3929 cSub-Neptune 2.3 × Earth15 days317 K