B-type star · blue-white star
17 Vul
17 Vul is a blue-white star in the constellation Vulpecula 504 ly from Earth. Its surface is about 12,733 K, about 2.2 times the Sun's surface temperature, and it shines at 193× the Sun's brightness. At magnitude 5.1 it is bright enough to see with the naked eye; the light you see left it 504 years ago.
Also catalogued as HR 7688 · HD 190993 · HIP 99080
12,733 K
temperature
5.08
apparent magnitude
193× ☉
luminosity vs Sun
B3V
spectral type
Distance & comparison with our Sun
504 years
at light speed from Earth
2.21×
as hot as the Sun
193×
the Sun's light output
-0.86
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.