B-type star · blue-white star

Rho Aur

Rho Aur is a blue-white star in the constellation Auriga 529 ly from Earth. Its surface is about 12,085 K, about 2.1 times the Sun's surface temperature, and it shines at 187× the Sun's brightness. At magnitude 5.2 it is bright enough to see with the naked eye; the light you see left it 529 years ago.

529 lybrightness mag 5.22B5V

Also catalogued as HR 1749 · HD 34759 · HIP 25048

12,085 K
temperature
5.22
apparent magnitude
187× ☉
luminosity vs Sun
B5V
spectral type
Distance & comparison with our Sun
529 years
at light speed from Earth
2.09×
as hot as the Sun
187×
the Sun's light output
-0.83
absolute magnitude
Explore from here · roam the neighborhood
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.2To 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.