B-type star · blue-white star

Aldulfin

Aldulfin is a blue-white star in the constellation Delphinus 330 ly from Earth. Its surface is about 11,975 K, about 2.1 times the Sun's surface temperature, and it shines at 218× the Sun's brightness. At magnitude 4.0 it is bright enough to see with the naked eye; the light you see left it 330 years ago.

330 lybrightness mag 4.03B6III

Also catalogued as Epsilon Del · HR 7852 · HD 195810 · HIP 101421

11,975 K

temperature

4.03

apparent magnitude

218× ☉

luminosity vs Sun

B6III

spectral type

Distance & comparison with our Sun

330 years

at light speed from Earth

2.07×

as hot as the Sun

218×

the Sun's light output

-1.00

absolute magnitude

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AldulfinB-type

Sky regionDelphinusthis direction

Nearest stars

Bright stars in Delphinus

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VISIBLE TO THE NAKED EYE

Brightness mag 4.0To see it no equipment neededLook toward Delphinus

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.