A-type star · white star

HR 5057

HR 5057 is a white star in the constellation Coma Berenices 285 ly from Earth. Its surface is about 9,125 K, about 1.6 times the Sun's surface temperature, and it shines at 33.42× the Sun's brightness. At magnitude 5.8 it is bright enough to see with the naked eye; the light you see left it 285 years ago.

285 lybrightness mag 5.75A3IV

Also catalogued as HD 116706 · HIP 65466

9,125 K

temperature

5.75

apparent magnitude

33.42× ☉

luminosity vs Sun

A3IV

spectral type

Distance & comparison with our Sun

285 years

at light speed from Earth

1.58×

as hot as the Sun

33.42×

the Sun's light output

1.04

absolute magnitude

Explore from here · roam the neighborhood

HR 5057A-type

Sky regionComa Berenicesthis direction

Nearest stars

Bright stars in Coma Berenices

Can you see it tonight?

VISIBLE TO THE NAKED EYE

Brightness mag 5.8To see it no equipment neededLook toward Coma Berenices

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.