B-type star · blue-white star

HR 3943

HR 3943 is a blue-white star in the constellation Vela 1,792 ly from Earth. Its surface is about 12,048 K, about 2.1 times the Sun's surface temperature, and it shines at 991× the Sun's brightness. At magnitude 6.1 it is within reach of 50 mm binoculars; the light you see left it 1,792 years ago.

1,792 lybrightness mag 6.06B3V

Also catalogued as HD 86523 · HIP 48835

12,048 K
temperature
6.06
apparent magnitude
991× ☉
luminosity vs Sun
B3V
spectral type
Distance & comparison with our Sun
1,792 years
at light speed from Earth
2.09×
as hot as the Sun
991×
the Sun's light output
-2.64
absolute magnitude
Explore from here · roam the neighborhood
HR 3943B-type
Sky regionVelathis direction
StarHR 4066160 ly
StarHR 4063240 ly
StarHR 3868250 ly
StarGamma² Velstar
StarAlsephinastar
Nearest stars
Bright stars in Vela
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.1To 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.