A-type star · white star
HR 8740
HR 8740 is a white star in the constellation Piscis Austrinus 312 ly from Earth. Its surface is about 7,651 K, about 1.3 times the Sun's surface temperature, and it shines at 49.93× the Sun's brightness. At magnitude 5.5 it is bright enough to see with the naked eye; the light you see left it 312 years ago.
Also catalogued as HD 217236 · HIP 113532
7,651 K
temperature
5.51
apparent magnitude
49.93× ☉
luminosity vs Sun
F0V
spectral type
Distance & comparison with our Sun
312 years
at light speed from Earth
1.33×
as hot as the Sun
49.93×
the Sun's light output
0.60
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.