M-type star · red

HR 8638

HR 8638 is a red in the constellation Pegasus 977 ly from Earth. Its surface is about 3,678 K, about 0.6 times the Sun's surface temperature, and it shines at 223× the Sun's brightness. At magnitude 6.4 it is within reach of 50 mm binoculars; the light you see left it 977 years ago.

977 lybrightness mag 6.36K5

Also catalogued as HD 214979 · HIP 112032

3,678 K
temperature
6.36
apparent magnitude
223× ☉
luminosity vs Sun
K5
spectral type
Distance & comparison with our Sun
977 years
at light speed from Earth
0.64×
as hot as the Sun
223×
the Sun's light output
-1.02
absolute magnitude
Explore from here · roam the neighborhood
HR 8638M-type
Sky regionPegasusthis direction
StarHR 8626120 ly
StarHR 8555120 ly
StarHR 8651140 ly
StarEnifstar
StarScheatstar
Nearest stars
Bright stars in Pegasus
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.4To see it 50 mm binocularsLook toward Pegasus

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.