B-type star · blue-white star

HR 3721

HR 3721 is a blue-white star in the constellation Carina 267 ly from Earth. Its surface is about 10,435 K, about 1.8 times the Sun's surface temperature, and it shines at 26.50× the Sun's brightness. At magnitude 5.9 it is bright enough to see with the naked eye; the light you see left it 267 years ago.

267 lybrightness mag 5.86A0V

Also catalogued as HD 80950 · HIP 45585

10,435 K

temperature

5.86

apparent magnitude

26.50× ☉

luminosity vs Sun

A0V

spectral type

Distance & comparison with our Sun

267 years

at light speed from Earth

1.81×

as hot as the Sun

26.50×

the Sun's light output

1.29

absolute magnitude

Explore from here · roam the neighborhood

HR 3721B-type

Sky regionCarinathis direction

Nearest stars

Bright stars in Carina

Can you see it tonight?

VISIBLE TO THE NAKED EYE

Brightness mag 5.9To see it no equipment neededLook toward Carina

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.