B-type star · blue-white star

19 Mon

19 Mon is a blue-white star in the constellation Monoceros 1,217 ly from Earth. Its surface is about 13,465 K, about 2.3 times the Sun's surface temperature, and it shines at 1,223× the Sun's brightness. At magnitude 5.0 it is bright enough to see with the naked eye; the light you see left it 1,217 years ago.

1,217 lybrightness mag 4.99B1V

Also catalogued as HR 2648 · HD 52918 · HIP 33971

13,465 K
temperature
4.99
apparent magnitude
1,223× ☉
luminosity vs Sun
B1V
spectral type
Distance & comparison with our Sun
1,217 years
at light speed from Earth
2.33×
as hot as the Sun
1,223×
the Sun's light output
-2.87
absolute magnitude
Explore from here · roam the neighborhood
19 MonB-type
Sky regionMonocerosthis direction
StarHR 265533 ly
StarHR 273199 ly
StarHR 2833130 ly
StarBeta Monstar
StarAlpha Monstar
Nearest stars
Bright stars in Monoceros
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.0To 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.