Star · star
HD 218641
HD 218641 is a star in the constellation Aquarius 155 ly from Earth. At magnitude 5.9 it is bright enough to see with the naked eye; the light you see left it 155 years ago.
Also catalogued as Gliese GJ 9812B
–
temperature
5.90
apparent magnitude
8.62× ☉
luminosity vs Sun
A3 (IV)
spectral type
Distance & comparison with our Sun
155 years
at light speed from Earth
–
as hot as the Sun
8.62×
the Sun's light output
2.51
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.