A-type star · white star

HR 7684

HR 7684 is a white star in the constellation Cygnus 598 ly from Earth. Its surface is about 9,686 K, about 1.7 times the Sun's surface temperature, and it shines at 101× the Sun's brightness. At magnitude 6.2 it is within reach of 50 mm binoculars; the light you see left it 598 years ago.

598 lybrightness mag 6.16A2IV

Also catalogued as HD 190781 · HIP 98858

9,686 K

temperature

6.16

apparent magnitude

101× ☉

luminosity vs Sun

A2IV

spectral type

Distance & comparison with our Sun

598 years

at light speed from Earth

1.68×

as hot as the Sun

101×

the Sun's light output

-0.16

absolute magnitude

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HR 7684A-type

Sky regionCygnusthis direction

Nearest stars

Bright stars in Cygnus

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BINOCULARS NEEDED

Brightness mag 6.2To see it 50 mm binocularsLook toward Cygnus

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.