B-type star · blue-white star

HR 5931

HR 5931 is a blue-white star in the constellation Serpens 1,599 ly from Earth. Its surface is about 11,391 K, about 2.0 times the Sun's surface temperature, and it shines at 656× the Sun's brightness. At magnitude 6.3 it is within reach of 50 mm binoculars; the light you see left it 1,599 years ago.

1,599 lybrightness mag 6.26B8III

Also catalogued as HD 142763 · HIP 77995

11,391 K
temperature
6.26
apparent magnitude
656× ☉
luminosity vs Sun
B8III
spectral type
Distance & comparison with our Sun
1,599 years
at light speed from Earth
1.97×
as hot as the Sun
656×
the Sun's light output
-2.19
absolute magnitude
Explore from here · roam the neighborhood
HR 5931B-type
Sky regionSerpensthis direction
StarMarsic B520 ly
StarHR 6430540 ly
StarHD 155061560 ly
StarUnukalhaistar
StarEta Serstar
Nearest stars
Bright stars in Serpens
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.3To see it 50 mm binocularsLook toward Serpens

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.