B-type star · blue-white star
47 Boo
47 Boo is a blue-white star in the constellation Boötes 274 ly from Earth. Its surface is about 10,188 K, about 1.8 times the Sun's surface temperature, and it shines at 35.78× the Sun's brightness. At magnitude 5.6 it is bright enough to see with the naked eye; the light you see left it 274 years ago.
Also catalogued as HR 5627 · HD 133962 · HIP 73841
10,188 K
temperature
5.59
apparent magnitude
35.78× ☉
luminosity vs Sun
A1V
spectral type
Distance & comparison with our Sun
274 years
at light speed from Earth
1.77×
as hot as the Sun
35.78×
the Sun's light output
0.97
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.