A-type star · white star

HR 4020

HR 4020 is a white star in the constellation Vela 342 ly from Earth. Its surface is about 8,694 K, about 1.5 times the Sun's surface temperature, and it shines at 46.56× the Sun's brightness. At magnitude 5.8 it is bright enough to see with the naked eye; the light you see left it 342 years ago.

342 lybrightness mag 5.78A3IV/V

Also catalogued as HD 88842 · HIP 50078

8,694 K
temperature
5.78
apparent magnitude
46.56× ☉
luminosity vs Sun
A3IV/V
spectral type
Distance & comparison with our Sun
342 years
at light speed from Earth
1.51×
as hot as the Sun
46.56×
the Sun's light output
0.68
absolute magnitude
Explore from here · roam the neighborhood
HR 4020A-type
Sky regionVelathis direction
StarHR 401017 ly
StarHR 387530 ly
StarHR 389536 ly
StarGamma² Velstar
StarAlsephinastar
Nearest stars
Bright stars in Vela
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.8To see it no equipment neededLook 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.