M-type star · red

HR 2766

HR 2766 is a red in the constellation Canis Major 405 ly from Earth. Its surface is about 3,664 K, about 0.6 times the Sun's surface temperature, and it shines at 184× the Sun's brightness. At magnitude 4.7 it is bright enough to see with the naked eye; the light you see left it 405 years ago.

405 lybrightness mag 4.66M2III

Also catalogued as HD 56618 · HIP 35205

3,664 K
temperature
4.66
apparent magnitude
184× ☉
luminosity vs Sun
M2III
spectral type
Distance & comparison with our Sun
405 years
at light speed from Earth
0.63×
as hot as the Sun
184×
the Sun's light output
-0.81
absolute magnitude
Explore from here · roam the neighborhood
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 4.7To see it no equipment neededLook toward Canis Major

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.