B-type star · blue-white star
HR 7212
HR 7212 is a blue-white star in the constellation Lyra 849 ly from Earth. Its surface is about 11,867 K, about 2.1 times the Sun's surface temperature, and it shines at 164× the Sun's brightness. At magnitude 6.4 it is within reach of 50 mm binoculars; the light you see left it 849 years ago.
Also catalogued as HD 177109 · HIP 93437
11,867 K
temperature
6.39
apparent magnitude
164× ☉
luminosity vs Sun
B5IV
spectral type
Distance & comparison with our Sun
849 years
at light speed from Earth
2.06×
as hot as the Sun
164×
the Sun's light output
-0.69
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.