B-type star · blue-white star

HR 8422

HR 8422 is a blue-white star in the constellation Lacerta 641 ly from Earth. Its surface is about 10,448 K, about 1.8 times the Sun's surface temperature, and it shines at 84.41× the Sun's brightness. At magnitude 6.5 it is within reach of 50 mm binoculars; the light you see left it 641 years ago.

641 lybrightness mag 6.50A0V

Also catalogued as HD 209932 · HIP 109079

10,448 K
temperature
6.50
apparent magnitude
84.41× ☉
luminosity vs Sun
A0V
spectral type
Distance & comparison with our Sun
641 years
at light speed from Earth
1.81×
as hot as the Sun
84.41×
the Sun's light output
0.03
absolute magnitude
Explore from here · roam the neighborhood
HR 8422B-type
Sky regionLacertathis direction
StarHR 842432 ly
StarHR 830664 ly
StarHR 829865 ly
StarStelliostar
Star5 Lacstar
Nearest stars
Bright stars in Lacerta
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.5To see it 50 mm binocularsLook toward Lacerta

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.