B-type star · blue-white star

HR 4398

HR 4398 is a blue-white star in the constellation Centaurus 760 ly from Earth. Its surface is about 10,175 K, about 1.8 times the Sun's surface temperature, and it shines at 222× the Sun's brightness. At magnitude 5.8 it is bright enough to see with the naked eye; the light you see left it 760 years ago.

760 lybrightness mag 5.82A4:p

Also catalogued as HD 99022 · HIP 55581

10,175 K
temperature
5.82
apparent magnitude
222× ☉
luminosity vs Sun
A4:p
spectral type
Distance & comparison with our Sun
760 years
at light speed from Earth
1.76×
as hot as the Sun
222×
the Sun's light output
-1.02
absolute magnitude
Explore from here · roam the neighborhood
HR 4398B-type
Sky regionCentaurusthis direction
StarHD 9745143 ly
StarHR 457665 ly
StarHR 423971 ly
StarMenkentstar
StarGamma Censtar
Nearest stars
Bright stars in Centaurus
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.8To see it no equipment neededLook toward Centaurus

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.