K-type star · orange dwarf
TOI-139
4570 K
temperature
0.70 R☉
radius
0.69 M☉
mass
0.167 L☉
luminosity
How long to get there · 138 ly away
At light speed, about 138 years to reach this system.
See the full survival timeline (jet to folding spacetime) →Size vs the Sun
How it compares with our Sun
0.79×
as hot as the Sun
0.70×
the Sun's width
0.69×
the Sun's mass
0.17×
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 10.6To see it 4-6" (100-150 mm) telescope
Illustration generated from TOI-139's temperature, not a photograph.