6200 K
temperature
1.95 R☉
radius
1.29 M☉
mass
5.070 L☉
luminosity
How long to get there · 4,562 ly away
At light speed, about 4,562 years to reach this system.
See the full survival timeline (jet to folding spacetime) →Size vs the Sun
How it compares with our Sun
1.07×
as hot as the Sun
1.95×
the Sun's width
1.29×
the Sun's mass
5.07×
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?
NOT VISUALLY OBSERVABLE
Brightness mag 16.1To see it beyond backyard telescopes
Illustration generated from CoRoT-21's temperature, not a photograph.