A-type star · white star
HR 8491
HR 8491 is a white star in the constellation Pegasus 387 ly from Earth. Its surface is about 9,894 K, about 1.7 times the Sun's surface temperature, and it shines at 40.29× the Sun's brightness. At magnitude 6.2 it is within reach of 50 mm binoculars; the light you see left it 387 years ago.
Also catalogued as HD 211287 · HIP 109939
9,894 K
temperature
6.21
apparent magnitude
40.29× ☉
luminosity vs Sun
A1Vn
spectral type
Distance & comparison with our Sun
387 years
at light speed from Earth
1.71×
as hot as the Sun
40.29×
the Sun's light output
0.84
absolute magnitude
Explore from here · roam the neighborhood
Nearest stars
Can you see it tonight?
BINOCULARS NEEDED
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.