B-type star · blue-white star
3 Hya
3 Hya is a blue-white star in the constellation Hydra 303 ly from Earth. Its surface is about 10,175 K, about 1.8 times the Sun's surface temperature, and it shines at 38.69× the Sun's brightness. At magnitude 5.7 it is bright enough to see with the naked eye; the light you see left it 303 years ago.
Also catalogued as HR 3398 · HD 72968 · HIP 42146
10,175 K
temperature
5.72
apparent magnitude
38.69× ☉
luminosity vs Sun
A1spe...
spectral type
Distance & comparison with our Sun
303 years
at light speed from Earth
1.76×
as hot as the Sun
38.69×
the Sun's light output
0.88
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.