B-type star · blue-white star

HR 2502

HR 2502 is a blue-white star in the constellation Monoceros 540 ly from Earth. Its surface is about 10,766 K, about 1.9 times the Sun's surface temperature, and it shines at 130× the Sun's brightness. At magnitude 5.7 it is bright enough to see with the naked eye; the light you see left it 540 years ago.

540 lybrightness mag 5.66B9.5V

Also catalogued as HD 49147 · HIP 32474

10,766 K
temperature
5.66
apparent magnitude
130× ☉
luminosity vs Sun
B9.5V
spectral type
Distance & comparison with our Sun
540 years
at light speed from Earth
1.87×
as hot as the Sun
130×
the Sun's light output
-0.43
absolute magnitude
Explore from here · roam the neighborhood
HR 2502B-type
Sky regionMonocerosthis direction
StarHR 257044 ly
StarHR 252249 ly
StarHR 232160 ly
StarBeta Monstar
StarAlpha Monstar
Nearest stars
Bright stars in Monoceros
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.7To 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.