M-type star · red

HR 79

HR 79 is a red in the constellation Andromeda 626 ly from Earth. Its surface is about 3,656 K, about 0.6 times the Sun's surface temperature, and it shines at 155× the Sun's brightness. At magnitude 5.8 it is bright enough to see with the naked eye; the light you see left it 626 years ago.

626 lybrightness mag 5.79K5III

Also catalogued as HD 1632 · HIP 1657

3,656 K
temperature
5.79
apparent magnitude
155× ☉
luminosity vs Sun
K5III
spectral type
Distance & comparison with our Sun
626 years
at light speed from Earth
0.63×
as hot as the Sun
155×
the Sun's light output
-0.63
absolute magnitude
Explore from here · roam the neighborhood
HR 79M-type
Sky regionAndromedathis direction
StarPi And46 ly
StarHR 7184 ly
StarHR 910984 ly
StarAlpheratzstar
StarMirachstar
Nearest stars
Bright stars in Andromeda
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.8To see it no equipment neededLook toward Andromeda

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.