B-type star · blue-white star

HR 5951

HR 5951 is a blue-white star in the constellation Triangulum Australe 322 ly from Earth. Its surface is about 10,316 K, about 1.8 times the Sun's surface temperature, and it shines at 26.79× the Sun's brightness. At magnitude 6.3 it is within reach of 50 mm binoculars; the light you see left it 322 years ago.

322 lybrightness mag 6.25B9.5V

Also catalogued as HD 143238 · HIP 78603

10,316 K

temperature

6.25

apparent magnitude

26.79× ☉

luminosity vs Sun

B9.5V

spectral type

Distance & comparison with our Sun

322 years

at light speed from Earth

1.79×

as hot as the Sun

26.79×

the Sun's light output

1.28

absolute magnitude

Explore from here · roam the neighborhood

HR 5951B-type

Sky regionTriangulum Australethis direction

Nearest stars

Bright stars in Triangulum Australe

Can you see it tonight?

BINOCULARS NEEDED

Brightness mag 6.3To see it 50 mm binocularsLook toward Triangulum Australe

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.