B-type star · blue-white star
HR 830
HR 830 is a blue-white star in the constellation Aries 397 ly from Earth. Its surface is about 10,556 K, about 1.8 times the Sun's surface temperature, and it shines at 56.91× the Sun's brightness. At magnitude 5.9 it is bright enough to see with the naked eye; the light you see left it 397 years ago.
Also catalogued as HD 17471 · HIP 13121
10,556 K
temperature
5.89
apparent magnitude
56.91× ☉
luminosity vs Sun
A0V
spectral type
Distance & comparison with our Sun
397 years
at light speed from Earth
1.83×
as hot as the Sun
56.91×
the Sun's light output
0.46
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.