M-type star · red

HR 4639

HR 4639 is a red in the constellation Camelopardalis 1,098 ly from Earth. Its surface is about 3,624 K, about 0.6 times the Sun's surface temperature, and it shines at 393× the Sun's brightness. At magnitude 6.0 it is bright enough to see with the naked eye; the light you see left it 1,098 years ago.

1,098 lybrightness mag 6.00K5III:

Also catalogued as HD 105943 · HIP 59384

3,624 K
temperature
6.00
apparent magnitude
393× ☉
luminosity vs Sun
K5III:
spectral type
Distance & comparison with our Sun
1,098 years
at light speed from Earth
0.63×
as hot as the Sun
393×
the Sun's light output
-1.64
absolute magnitude
Explore from here · roam the neighborhood
HR 4639M-type
Sky regionCamelopardalisthis direction
StarHD 100858120 ly
StarHR 3843150 ly
StarHR 4586190 ly
StarBeta Camstar
StarAlpha Camstar
Nearest stars
Bright stars in Camelopardalis
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 6.0To see it no equipment neededLook toward Camelopardalis

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.