B-type star · blue-white star

HR 3470

HR 3470 is a blue-white star in the constellation Ursa Major 499 ly from Earth. Its surface is about 11,675 K, about 2.0 times the Sun's surface temperature, and it shines at 67.61× the Sun's brightness. At magnitude 6.2 it is within reach of 50 mm binoculars; the light you see left it 499 years ago.

499 lybrightness mag 6.20B8V

Also catalogued as HD 74604 · HIP 43266

11,675 K
temperature
6.20
apparent magnitude
67.61× ☉
luminosity vs Sun
B8V
spectral type
Distance & comparison with our Sun
499 years
at light speed from Earth
2.02×
as hot as the Sun
67.61×
the Sun's light output
0.28
absolute magnitude
Explore from here · roam the neighborhood
HR 3470B-type
Sky regionUrsa Majorthis direction
StarSigma¹ UMa28 ly
StarHR 382444 ly
StarHR 383849 ly
StarAliothstar
StarDubhestar
Nearest stars
Bright stars in Ursa Major
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.2To see it 50 mm binocularsLook toward Ursa Major

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.