B-type star · blue-white star
23 Sex
23 Sex is a blue-white star in the constellation Sextans 2,509 ly from Earth. Its surface is about 11,473 K, about 2.0 times the Sun's surface temperature, and it shines at 1,117× the Sun's brightness. At magnitude 6.7 it is within reach of 50 mm binoculars; the light you see left it 2,509 years ago.
Also catalogued as HR 4064 · HD 89688 · HIP 50684
11,473 K
temperature
6.66
apparent magnitude
1,117× ☉
luminosity vs Sun
B2.5IV
spectral type
Distance & comparison with our Sun
2,509 years
at light speed from Earth
1.99×
as hot as the Sun
1,117×
the Sun's light output
-2.77
absolute magnitude
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Nearest stars
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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.