B-type star · blue-white star
24 Hya
24 Hya is a blue-white star in the constellation Hydra 677 ly from Earth. Its surface is about 11,263 K, about 2.0 times the Sun's surface temperature, and it shines at 239× the Sun's brightness. At magnitude 5.5 it is bright enough to see with the naked eye; the light you see left it 677 years ago.
Also catalogued as HR 3683 · HD 79931 · HIP 45526
11,263 K
temperature
5.49
apparent magnitude
239× ☉
luminosity vs Sun
B9III
spectral type
Distance & comparison with our Sun
677 years
at light speed from Earth
1.95×
as hot as the Sun
239×
the Sun's light output
-1.09
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.