K-type star · orange dwarf

57 Gem

57 Gem is an orange dwarf in the constellation Gemini 159 ly from Earth. Its surface is about 4,991 K, about 0.9 times the Sun's surface temperature, and it shines at 19.93× the Sun's brightness. At magnitude 5.0 it is bright enough to see with the naked eye; the light you see left it 159 years ago.

159 lybrightness mag 5.04G8III

Also catalogued as HR 2808 · HD 57727 · HIP 35846

4,991 K
temperature
5.04
apparent magnitude
19.93× ☉
luminosity vs Sun
G8III
spectral type
Distance & comparison with our Sun
159 years
at light speed from Earth
0.86×
as hot as the Sun
19.93×
the Sun's light output
1.60
absolute magnitude
Explore from here · roam the neighborhood
57 GemK-type
Sky regionGeminithis direction
Star39 Gem16 ly
StarHR 269216 ly
Star64 Gem20 ly
StarPolluxstar
StarAlhenastar
Nearest stars
Bright stars in Gemini
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.0To see it no equipment neededLook toward Gemini

Star data from the HYG database v4.2 (Astronexus, CC BY-SA 4.0). Temperature and colour computed by gravityfinder from the B-V colour index; the illustration is generated from that temperature, not a photograph.