B-type star · blue-white star

HR 2270

HR 2270 is a blue-white star in the constellation Monoceros 414 ly from Earth. Its surface is about 10,695 K, about 1.9 times the Sun's surface temperature, and it shines at 45.71× the Sun's brightness. At magnitude 6.2 it is within reach of 50 mm binoculars; the light you see left it 414 years ago.

414 lybrightness mag 6.22B9V

Also catalogued as HD 44037 · HIP 30028

10,695 K

temperature

6.22

apparent magnitude

45.71× ☉

luminosity vs Sun

B9V

spectral type

Distance & comparison with our Sun

414 years

at light speed from Earth

1.85×

as hot as the Sun

45.71×

the Sun's light output

0.70

absolute magnitude

Explore from here · roam the neighborhood

HR 2270B-type

Sky regionMonocerosthis direction

Nearest stars

Bright stars in Monoceros

Can you see it tonight?

BINOCULARS NEEDED

Brightness mag 6.2To see it 50 mm binocularsLook 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.