B-type star · blue-white star

HR 3920

HR 3920 is a blue-white star in the constellation Vela 2,652 ly from Earth. Its surface is about 12,390 K, about 2.1 times the Sun's surface temperature, and it shines at 1,445× the Sun's brightness. At magnitude 6.5 it is within reach of 50 mm binoculars; the light you see left it 2,652 years ago.

2,652 lybrightness mag 6.50B1V

Also catalogued as HD 85871 · HIP 48469

12,390 K
temperature
6.50
apparent magnitude
1,445× ☉
luminosity vs Sun
B1V
spectral type
Distance & comparison with our Sun
2,652 years
at light speed from Earth
2.15×
as hot as the Sun
1,445×
the Sun's light output
-3.05
absolute magnitude
Explore from here · roam the neighborhood
HR 3920B-type
Sky regionVelathis direction
StarHR 3941130 ly
StarHR 4018320 ly
StarHR 4226380 ly
StarGamma² Velstar
StarAlsephinastar
Nearest stars
Bright stars in Vela
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.5To see it 50 mm binocularsLook toward Vela

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.