B-type star · blue-white star

HR 8397

HR 8397 is a blue-white star in the constellation Pegasus 1,953 ly from Earth. Its surface is about 11,641 K, about 2.0 times the Sun's surface temperature, and it shines at 892× the Sun's brightness. At magnitude 6.4 it is within reach of 50 mm binoculars; the light you see left it 1,953 years ago.

1,953 lybrightness mag 6.36B5IIIn

Also catalogued as HD 209288 · HIP 108766

11,641 K
temperature
6.36
apparent magnitude
892× ☉
luminosity vs Sun
B5IIIn
spectral type
Distance & comparison with our Sun
1,953 years
at light speed from Earth
2.02×
as hot as the Sun
892×
the Sun's light output
-2.53
absolute magnitude
Explore from here · roam the neighborhood
HR 8397B-type
Sky regionPegasusthis direction
Star31 Peg360 ly
Star12 Peg670 ly
StarHR 8054670 ly
StarEnifstar
StarScheatstar
Nearest stars
Bright stars in Pegasus
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.4To see it 50 mm binocularsLook toward Pegasus

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.