M-type star · red

HR 2639

571 lybrightness mag 5.22M2III

Also catalogued as HD 52666 · HIP 33878

3,532 K

temperature

5.22

apparent magnitude

218× ☉

luminosity vs Sun

M2III

spectral type

Distance & comparison with our Sun

571 years

at light speed from Earth

0.61×

as hot as the Sun

218×

the Sun's light output

-1.00

absolute magnitude

Explore from here · roam the neighborhood

HR 2639M-type

Sky regionMonocerosthis direction

Nearest stars

HR 2570 →42 ly apart
HR 2636 →44 ly apart
HR 2521 →47 ly apart
HR 2572 →52 ly apart
HR 2502 →64 ly apart
HR 2807 →71 ly apart

Bright stars in Monoceros

11Bet Mon →mag 3.8
26Alp Mon →mag 3.9
5Gam Mon →mag 4.0
22Del Mon →mag 4.2
29Zet Mon →mag 4.4
8Eps Mon →mag 4.4
13 Mon →mag 4.5
18 Mon →mag 4.5

Can you see it tonight?

VISIBLE TO THE NAKED EYE

Brightness mag 5.2To see it no equipment neededLook toward Monoceros

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.