A-type star · white star

HR 4771

HR 4771 is a white star in the constellation Crux 245 ly from Earth. Its surface is about 7,705 K, about 1.3 times the Sun's surface temperature, and it shines at 20.30× the Sun's brightness. At magnitude 6.0 it is bright enough to see with the naked eye; the light you see left it 245 years ago.

245 lybrightness mag 5.96A8III

Also catalogued as HD 109000 · HIP 61158

7,705 K
temperature
5.96
apparent magnitude
20.30× ☉
luminosity vs Sun
A8III
spectral type
Distance & comparison with our Sun
245 years
at light speed from Earth
1.33×
as hot as the Sun
20.30×
the Sun's light output
1.58
absolute magnitude
Explore from here · roam the neighborhood
HR 4771A-type
Sky regionCruxthis direction
StarTheta¹ Cru17 ly
StarGinan21 ly
StarHR 504130 ly
StarGacruxstar
StarImaistar
Nearest stars
Bright stars in Crux
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 6.0To see it no equipment neededLook toward Crux

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.