B-type star · blue-white star
HR 55
HR 55 is a blue-white star in the constellation Cepheus 627 ly from Earth. Its surface is about 10,709 K, about 1.9 times the Sun's surface temperature, and it shines at 92.90× the Sun's brightness. At magnitude 6.3 it is within reach of 50 mm binoculars; the light you see left it 627 years ago.
Also catalogued as HD 1141 · HIP 1296
10,709 K
temperature
6.35
apparent magnitude
92.90× ☉
luminosity vs Sun
B9Vn
spectral type
Distance & comparison with our Sun
627 years
at light speed from Earth
1.86×
as hot as the Sun
92.90×
the Sun's light output
-0.07
absolute magnitude
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BINOCULARS NEEDED
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.