A-type star · white star

HR 4579

HR 4579 is a white star in the constellation Hydra 1,052 ly from Earth. Its surface is about 9,675 K, about 1.7 times the Sun's surface temperature, and it shines at 245× the Sun's brightness. At magnitude 6.4 it is within reach of 50 mm binoculars; the light you see left it 1,052 years ago.

1,052 lybrightness mag 6.42A1IV/V

Also catalogued as HD 104039 · HIP 58436

9,675 K

temperature

6.42

apparent magnitude

245× ☉

luminosity vs Sun

A1IV/V

spectral type

Distance & comparison with our Sun

1,052 years

at light speed from Earth

1.68×

as hot as the Sun

245×

the Sun's light output

-1.12

absolute magnitude

Explore from here · roam the neighborhood

HR 4579A-type

Sky regionHydrathis direction

Nearest stars

Bright stars in Hydra

Can you see it tonight?

BINOCULARS NEEDED

Brightness mag 6.4To see it 50 mm binocularsLook 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.