B-type star · blue-white star

7 Mon

7 Mon is a blue-white star in the constellation Monoceros 872 ly from Earth. Its surface is about 13,055 K, about 2.3 times the Sun's surface temperature, and it shines at 486× the Sun's brightness. At magnitude 5.3 it is bright enough to see with the naked eye; the light you see left it 872 years ago.

872 lybrightness mag 5.27B2.5V

Also catalogued as HR 2273 · HD 44112 · HIP 30073

13,055 K
temperature
5.27
apparent magnitude
486× ☉
luminosity vs Sun
B2.5V
spectral type
Distance & comparison with our Sun
872 years
at light speed from Earth
2.26×
as hot as the Sun
486×
the Sun's light output
-1.87
absolute magnitude
Explore from here · roam the neighborhood
7 MonB-type
Sky regionMonocerosthis direction
StarHD 4541890 ly
StarHR 231793 ly
StarHR 2309110 ly
StarBeta Monstar
StarAlpha Monstar
Nearest stars
Bright stars in Monoceros
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.3To 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.