B-type star · blue-white star

Eta Aqr

Eta Aqr is a blue-white star in the constellation Aquarius 168 ly from Earth. Its surface is about 11,295 K, about 2.0 times the Sun's surface temperature, and it shines at 55.87× the Sun's brightness. At magnitude 4.0 it is bright enough to see with the naked eye; the light you see left it 168 years ago.

168 lybrightness mag 4.04B9IV-Vn

Also catalogued as HR 8597 · HD 213998 · HIP 111497

11,295 K
temperature
4.04
apparent magnitude
55.87× ☉
luminosity vs Sun
B9IV-Vn
spectral type
Distance & comparison with our Sun
168 years
at light speed from Earth
1.96×
as hot as the Sun
55.87×
the Sun's light output
0.48
absolute magnitude
Explore from here · roam the neighborhood
Eta AqrB-type
Sky regionAquariusthis direction
StarSadachbia11 ly
Star37 Peg14 ly
Star35 Peg24 ly
StarSadalsuudstar
StarSadalmelikstar
Nearest stars
Bright stars in Aquarius
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 4.0To see it no equipment neededLook toward Aquarius

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.