K-type star · orange

Sigma Aur

Sigma Aur is an orange in the constellation Auriga 467 ly from Earth. Its surface is about 3,878 K, about 0.7 times the Sun's surface temperature, and it shines at 176× the Sun's brightness. At magnitude 5.0 it is bright enough to see with the naked eye; the light you see left it 467 years ago.

467 lybrightness mag 5.02K4III

Also catalogued as HR 1773 · HD 35186 · HIP 25292

3,878 K
temperature
5.02
apparent magnitude
176× ☉
luminosity vs Sun
K4III
spectral type
Distance & comparison with our Sun
467 years
at light speed from Earth
0.67×
as hot as the Sun
176×
the Sun's light output
-0.76
absolute magnitude
Explore from here · roam the neighborhood
Sigma AurK-type
Sky regionAurigathis direction
StarPhi Aur28 ly
StarHR 185432 ly
StarHR 190453 ly
StarMenkalinanstar
StarMahasimstar
Nearest stars
Bright stars in Auriga
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.0To see it no equipment neededLook toward Auriga

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.