B-type star · blue-white star

HR 8733

HR 8733 is a blue-white star in the constellation Lacerta 1,538 ly from Earth. Its surface is about 12,449 K, about 2.2 times the Sun's surface temperature, and it shines at 659× the Sun's brightness. At magnitude 6.2 it is within reach of 50 mm binoculars; the light you see left it 1,538 years ago.

1,538 lybrightness mag 6.17B2IV-V

Also catalogued as HD 217101 · HIP 113371

12,449 K
temperature
6.17
apparent magnitude
659× ☉
luminosity vs Sun
B2IV-V
spectral type
Distance & comparison with our Sun
1,538 years
at light speed from Earth
2.16×
as hot as the Sun
659×
the Sun's light output
-2.20
absolute magnitude
Explore from here · roam the neighborhood
HR 8733B-type
Sky regionLacertathis direction
StarHR 8549170 ly
Star12 Lac210 ly
Star10 Lac210 ly
StarStelliostar
Star1 Lacstar
Nearest stars
Bright stars in Lacerta
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.2To 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.