B-type star · blue-white star

Eta¹ Dor

Eta¹ Dor is a blue-white star in the constellation Dorado 322 ly from Earth. Its surface is about 10,435 K, about 1.8 times the Sun's surface temperature, and it shines at 43.65× the Sun's brightness. At magnitude 5.7 it is bright enough to see with the naked eye; the light you see left it 322 years ago.

322 lybrightness mag 5.72A0V

Also catalogued as HR 2194 · HD 42525 · HIP 28909

10,435 K
temperature
5.72
apparent magnitude
43.65× ☉
luminosity vs Sun
A0V
spectral type
Distance & comparison with our Sun
322 years
at light speed from Earth
1.81×
as hot as the Sun
43.65×
the Sun's light output
0.75
absolute magnitude
Explore from here · roam the neighborhood
Eta¹ DorB-type
Sky regionDoradothis direction
StarHR 240815 ly
StarNu Dor27 ly
StarHR 193635 ly
StarAlpha Dorstar
StarBeta Dorstar
Nearest stars
Bright stars in Dorado
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.7To see it no equipment neededLook toward Dorado

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.