B-type star · blue-white star
Tau⁵ Eri
Tau⁵ Eri is a blue-white star in the constellation Eridanus 293 ly from Earth. Its surface is about 11,675 K, about 2.0 times the Sun's surface temperature, and it shines at 139× the Sun's brightness. At magnitude 4.3 it is bright enough to see with the naked eye; the light you see left it 293 years ago.
Also catalogued as HR 1088 · HD 22203 · HIP 16611
11,675 K
temperature
4.26
apparent magnitude
139× ☉
luminosity vs Sun
B9V
spectral type
Distance & comparison with our Sun
293 years
at light speed from Earth
2.02×
as hot as the Sun
139×
the Sun's light output
-0.51
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.