B-type star · blue-white star
HR 4221
HR 4221 is a blue-white star in the constellation Vela 526 ly from Earth. Its surface is about 11,247 K, about 1.9 times the Sun's surface temperature, and it shines at 199× the Sun's brightness. At magnitude 5.1 it is bright enough to see with the naked eye; the light you see left it 526 years ago.
Also catalogued as HD 93563 · HIP 52742
11,247 K
temperature
5.14
apparent magnitude
199× ☉
luminosity vs Sun
B8/B9III
spectral type
Distance & comparison with our Sun
526 years
at light speed from Earth
1.95×
as hot as the Sun
199×
the Sun's light output
-0.90
absolute magnitude
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VISIBLE TO THE NAKED EYE
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.