A-type star · white star

HR 10

HR 10 is a white star in the constellation Cetus 574 ly from Earth. Its surface is about 8,721 K, about 1.5 times the Sun's surface temperature, and it shines at 89.37× the Sun's brightness. At magnitude 6.2 it is within reach of 50 mm binoculars; the light you see left it 574 years ago.

574 lybrightness mag 6.20A2IV/V

Also catalogued as HD 256 · HIP 602

8,721 K

temperature

6.20

apparent magnitude

89.37× ☉

luminosity vs Sun

A2IV/V

spectral type

Distance & comparison with our Sun

574 years

at light speed from Earth

1.51×

as hot as the Sun

89.37×

the Sun's light output

-0.03

absolute magnitude

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HR 10A-type

Sky regionCetusthis direction

Nearest stars

Bright stars in Cetus

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BINOCULARS NEEDED

Brightness mag 6.2To see it 50 mm binocularsLook toward Cetus

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.