B-type star · blue-white star
Psi² Aqr
Psi² Aqr is a blue-white star in the constellation Aquarius 402 ly from Earth. Its surface is about 12,370 K, about 2.1 times the Sun's surface temperature, and it shines at 227× the Sun's brightness. At magnitude 4.4 it is bright enough to see with the naked eye; the light you see left it 402 years ago.
Also catalogued as HR 8858 · HD 219688 · HIP 115033
12,370 K
temperature
4.41
apparent magnitude
227× ☉
luminosity vs Sun
B5Vn
spectral type
Distance & comparison with our Sun
402 years
at light speed from Earth
2.14×
as hot as the Sun
227×
the Sun's light output
-1.04
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.