A-type star · white star
Tau³ Eri
Tau³ Eri is a white star in the constellation Eridanus 88.6 ly from Earth. Its surface is about 8,461 K, about 1.5 times the Sun's surface temperature, and it shines at 15.01× the Sun's brightness. At magnitude 4.1 it is bright enough to see with the naked eye; the light you see left it 89 years ago.
Also catalogued as HR 919 · HD 18978 · HIP 14146 · Gliese Gl 121
8,461 K
temperature
4.08
apparent magnitude
15.01× ☉
luminosity vs Sun
A4V
spectral type
Distance & comparison with our Sun
89 years
at light speed from Earth
1.47×
as hot as the Sun
15.01×
the Sun's light output
1.91
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.