A-type star · white star

HR 3401

HR 3401 is a white star in the constellation Ursa Major 416 ly from Earth. Its surface is about 9,709 K, about 1.7 times the Sun's surface temperature, and it shines at 36.58× the Sun's brightness. At magnitude 6.5 it is within reach of 50 mm binoculars; the light you see left it 416 years ago.

416 lybrightness mag 6.47A2Vn

Also catalogued as HD 73029 · HIP 42434

9,709 K
temperature
6.47
apparent magnitude
36.58× ☉
luminosity vs Sun
A2Vn
spectral type
Distance & comparison with our Sun
416 years
at light speed from Earth
1.68×
as hot as the Sun
36.58×
the Sun's light output
0.94
absolute magnitude
Explore from here · roam the neighborhood
HR 3401A-type
Sky regionUrsa Majorthis direction
StarHR 326329 ly
StarHR 311253 ly
StarHR 359253 ly
StarAliothstar
StarDubhestar
Nearest stars
Bright stars in Ursa Major
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.5To 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.