B-type star · blue-white star
Pi Cet
Pi Cet is a blue-white star in the constellation Cetus 393 ly from Earth. Its surface is about 11,957 K, about 2.1 times the Sun's surface temperature, and it shines at 255× the Sun's brightness. At magnitude 4.2 it is bright enough to see with the naked eye; the light you see left it 393 years ago.
Also catalogued as HR 811 · HD 17081 · HIP 12770
11,957 K
temperature
4.24
apparent magnitude
255× ☉
luminosity vs Sun
B7IV
spectral type
Distance & comparison with our Sun
393 years
at light speed from Earth
2.07×
as hot as the Sun
255×
the Sun's light output
-1.17
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.