A-type star · white star
Theta Men
Theta Men is a white star in the constellation Mensa 352 ly from Earth. Its surface is about 9,641 K, about 1.7 times the Sun's surface temperature, and it shines at 67.11× the Sun's brightness. At magnitude 5.5 it is bright enough to see with the naked eye; the light you see left it 352 years ago.
Also catalogued as HR 2689 · HD 54239 · HIP 33384
9,641 K
temperature
5.45
apparent magnitude
67.11× ☉
luminosity vs Sun
B9.5V
spectral type
Distance & comparison with our Sun
352 years
at light speed from Earth
1.67×
as hot as the Sun
67.11×
the Sun's light output
0.28
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.