M-type star · red

Pi Eri

Pi Eri is a red in the constellation Eridanus 481 ly from Earth. Its surface is about 3,644 K, about 0.6 times the Sun's surface temperature, and it shines at 320× the Sun's brightness. At magnitude 4.4 it is bright enough to see with the naked eye; the light you see left it 481 years ago.

481 lybrightness mag 4.43M1III

Also catalogued as HR 1162 · HD 23614 · HIP 17593

3,644 K
temperature
4.43
apparent magnitude
320× ☉
luminosity vs Sun
M1III
spectral type
Distance & comparison with our Sun
481 years
at light speed from Earth
0.63×
as hot as the Sun
320×
the Sun's light output
-1.41
absolute magnitude
Explore from here · roam the neighborhood
Pi EriM-type
Sky regionEridanusthis direction
StarHR 109144 ly
Star20 Eri50 ly
StarHR 126358 ly
StarCursastar
StarAcamarstar
Nearest stars
Bright stars in Eridanus
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 4.4To 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.