M-type star · red dwarf

GJ 3634

66.5 ly1 known planetbrightness mag 11.9M2.5
3517 K
temperature
0.43 R☉
radius
0.45 M☉
mass
0.020 L☉
luminosity
How long to get there · 66.5 ly away

At light speed, about 66 years to reach this system.

See the full survival timeline (jet to folding spacetime) →
Size vs the Sun
SunGJ 3634 is 2.3× narrower than the Sun
How it compares with our Sun
0.61×
as hot as the Sun
0.43×
the Sun's width
0.45×
the Sun's mass
0.02×
the Sun's light output
Worlds orbiting this star
Explore from here · roam the neighborhood

Zoom out: system → (soon) galaxy arm, and the host black hole at the galaxy's heart.

Can you see it tonight?
SMALL TELESCOPE NEEDED
Brightness mag 11.9To see it 4-6" (100-150 mm) telescope

Illustration generated from GJ 3634's temperature, not a photograph.