A-type star · white star

HR 7634

HR 7634 is a white star in the constellation Cygnus 250 ly from Earth. Its surface is about 9,125 K, about 1.6 times the Sun's surface temperature, and it shines at 17.52× the Sun's brightness. At magnitude 6.2 it is within reach of 50 mm binoculars; the light you see left it 250 years ago.

250 lybrightness mag 6.16A4Vn

Also catalogued as HD 189296 · HIP 98111

9,125 K
temperature
6.16
apparent magnitude
17.52× ☉
luminosity vs Sun
A4Vn
spectral type
Distance & comparison with our Sun
250 years
at light speed from Earth
1.58×
as hot as the Sun
17.52×
the Sun's light output
1.74
absolute magnitude
Explore from here · roam the neighborhood
HR 7634A-type
Sky regionCygnusthis direction
StarHR 75268.8 ly
StarHR 769533 ly
StarPsi Cyg37 ly
StarSadrstar
StarAljanahstar
Nearest stars
Bright stars in Cygnus
Can you see it tonight?
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.