B-type star · blue-white star

HR 7651

HR 7651 is a blue-white star in the constellation Cygnus 778 ly from Earth. Its surface is about 13,188 K, about 2.3 times the Sun's surface temperature, and it shines at 174× the Sun's brightness. At magnitude 6.1 it is within reach of 50 mm binoculars; the light you see left it 778 years ago.

778 lybrightness mag 6.14B5III

Also catalogued as HD 189775 · HIP 98379

13,188 K
temperature
6.14
apparent magnitude
174× ☉
luminosity vs Sun
B5III
spectral type
Distance & comparison with our Sun
778 years
at light speed from Earth
2.28×
as hot as the Sun
174×
the Sun's light output
-0.75
absolute magnitude
Explore from here · roam the neighborhood
HR 7651B-type
Sky regionCygnusthis direction
StarHR 768764 ly
StarHR 786091 ly
StarHR 7356110 ly
StarSadrstar
StarAljanahstar
Nearest stars
Bright stars in Cygnus
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.1To 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.