B-type star · blue-white star

Eta Hya

Eta Hya is a blue-white star in the constellation Hydra 587 ly from Earth. Its surface is about 13,395 K, about 2.3 times the Sun's surface temperature, and it shines at 537× the Sun's brightness. At magnitude 4.3 it is bright enough to see with the naked eye; the light you see left it 587 years ago.

587 lybrightness mag 4.30B3V...

Also catalogued as HR 3454 · HD 74280 · HIP 42799

13,395 K
temperature
4.30
apparent magnitude
537× ☉
luminosity vs Sun
B3V...
spectral type
Distance & comparison with our Sun
587 years
at light speed from Earth
2.32×
as hot as the Sun
537×
the Sun's light output
-1.98
absolute magnitude
Explore from here · roam the neighborhood
Eta HyaB-type
Sky regionHydrathis direction
StarHD 7521755 ly
StarHD 7468555 ly
StarHR 339266 ly
StarGamma Hyastar
StarZeta Hyastar
Nearest stars
Bright stars in Hydra
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 4.3To see it no equipment neededLook toward Hydra

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.