B-type star · blue-white star
Beta Sex
Beta Sex is a blue-white star in the constellation Sextans 405 ly from Earth. Its surface is about 12,254 K, about 2.1 times the Sun's surface temperature, and it shines at 125× the Sun's brightness. At magnitude 5.1 it is bright enough to see with the naked eye; the light you see left it 405 years ago.
Also catalogued as HR 4119 · HD 90994 · HIP 51437
12,254 K
temperature
5.08
apparent magnitude
125× ☉
luminosity vs Sun
B6V
spectral type
Distance & comparison with our Sun
405 years
at light speed from Earth
2.12×
as hot as the Sun
125×
the Sun's light output
-0.39
absolute magnitude
Explore from here · roam the neighborhood
Nearest stars
Can you see it tonight?
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.