K-type star · orange

Sigma Gem

Sigma Gem is an orange in the constellation Gemini 125 ly from Earth. Its surface is about 4,476 K, about 0.8 times the Sun's surface temperature, and it shines at 26.01× the Sun's brightness. At magnitude 4.2 it is bright enough to see with the naked eye; the light you see left it 125 years ago.

125 lybrightness mag 4.23K1III SB

Also catalogued as HR 2973 · HD 62044 · HIP 37629

4,476 K

temperature

4.23

apparent magnitude

26.01× ☉

luminosity vs Sun

K1III SB

spectral type

Distance & comparison with our Sun

125 years

at light speed from Earth

0.78×

as hot as the Sun

26.01×

the Sun's light output

1.31

absolute magnitude

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Sigma GemK-type

Sky regionGeminithis direction

Nearest stars

Bright stars in Gemini

Can you see it tonight?

VISIBLE TO THE NAKED EYE

Brightness mag 4.2To 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.