K-type star · orange
BD+20 2457
4137 K
temperature
49.00 R☉
radius
2.80 M☉
mass
1,479 L☉
luminosity
How long to get there · 5,022 ly away
At light speed, about 5,022 years to reach this system.
See the full survival timeline (jet to folding spacetime) →Size vs the Sun
How it compares with our Sun
0.72×
as hot as the Sun
49.00×
the Sun's width
2.80×
the Sun's mass
1,479×
the Sun's light output
Worlds orbiting this star
- Explore →BD+20 2457 bGas giant · ESI 0.0912.10 R⊕ · 380 days year
- Explore →BD+20 2457 cGas giant · ESI 0.1312.40 R⊕ · 1.7 years year
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 9.7To see it 4-6" (100-150 mm) telescope
Illustration generated from BD+20 2457's temperature, not a photograph.