B-type star · blue-white star
Upsilon⁴ Eri
Upsilon⁴ Eri is a blue-white star in the constellation Eridanus 178 ly from Earth. Its surface is about 11,709 K, about 2.0 times the Sun's surface temperature, and it shines at 98.54× the Sun's brightness. At magnitude 3.5 it is bright enough to see with the naked eye; the light you see left it 178 years ago.
Also catalogued as HR 1347 · HD 27376 · HIP 20042
11,709 K
temperature
3.55
apparent magnitude
98.54× ☉
luminosity vs Sun
B9V
spectral type
Distance & comparison with our Sun
178 years
at light speed from Earth
2.03×
as hot as the Sun
98.54×
the Sun's light output
-0.13
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.