A-type star · white star
17 Sex
17 Sex is a white star in the constellation Sextans 596 ly from Earth. Its surface is about 9,812 K, about 1.7 times the Sun's surface temperature, and it shines at 126× the Sun's brightness. At magnitude 5.9 it is bright enough to see with the naked eye; the light you see left it 596 years ago.
Also catalogued as HR 3989 · HD 88195 · HIP 49812
9,812 K
temperature
5.91
apparent magnitude
126× ☉
luminosity vs Sun
A1V
spectral type
Distance & comparison with our Sun
596 years
at light speed from Earth
1.70×
as hot as the Sun
126×
the Sun's light output
-0.40
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.