B-type star · blue-white star

HR 7129

HR 7129 is a blue-white star in the constellation Corona Australis 430 ly from Earth. Its surface is about 12,429 K, about 2.2 times the Sun's surface temperature, and it shines at 109× the Sun's brightness. At magnitude 5.4 it is bright enough to see with the naked eye; the light you see left it 430 years ago.

430 lybrightness mag 5.36B3V

Also catalogued as HD 175362 · HIP 92989

12,429 K

temperature

5.36

apparent magnitude

109× ☉

luminosity vs Sun

B3V

spectral type

Distance & comparison with our Sun

430 years

at light speed from Earth

2.15×

as hot as the Sun

109×

the Sun's light output

-0.24

absolute magnitude

Explore from here · roam the neighborhood

HR 7129B-type

Sky regionCorona Australisthis direction

Nearest stars

Bright stars in Corona Australis

Can you see it tonight?

VISIBLE TO THE NAKED EYE

Brightness mag 5.4To see it no equipment neededLook toward Corona Australis

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.