B-type star · blue-white star

Psi Eri

Psi Eri is a blue-white star in the constellation Eridanus 740 ly from Earth. Its surface is about 12,775 K, about 2.2 times the Sun's surface temperature, and it shines at 539× the Sun's brightness. At magnitude 4.8 it is bright enough to see with the naked eye; the light you see left it 740 years ago.

740 lybrightness mag 4.80B3V

Also catalogued as HR 1617 · HD 32249 · HIP 23364

12,775 K
temperature
4.80
apparent magnitude
539× ☉
luminosity vs Sun
B3V
spectral type
Distance & comparison with our Sun
740 years
at light speed from Earth
2.21×
as hot as the Sun
539×
the Sun's light output
-1.98
absolute magnitude
Explore from here · roam the neighborhood
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 4.8To see it no equipment neededLook toward Eridanus

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.