B-type star · blue-white star

Eta² CrA

Eta² CrA is a blue-white star in the constellation Corona Australis 482 ly from Earth. Its surface is about 11,200 K, about 1.9 times the Sun's surface temperature, and it shines at 109× the Sun's brightness. At magnitude 5.6 it is bright enough to see with the naked eye; the light you see left it 482 years ago.

482 lybrightness mag 5.60B9IV

Also catalogued as HR 7068 · HD 173861 · HIP 92382

11,200 K

temperature

5.60

apparent magnitude

109× ☉

luminosity vs Sun

B9IV

spectral type

Distance & comparison with our Sun

482 years

at light speed from Earth

1.94×

as hot as the Sun

109×

the Sun's light output

-0.25

absolute magnitude

Explore from here · roam the neighborhood

Eta² CrAB-type

Sky regionCorona Australisthis direction

Nearest stars

Bright stars in Corona Australis

Can you see it tonight?

VISIBLE TO THE NAKED EYE

Brightness mag 5.6To 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.