K-type star · orange

HR 991

HR 991 is an orange in the constellation Perseus 1,177 ly from Earth. Its surface is about 3,807 K, about 0.7 times the Sun's surface temperature, and it shines at 1,304× the Sun's brightness. At magnitude 4.8 it is bright enough to see with the naked eye; the light you see left it 1,177 years ago.

1,177 lybrightness mag 4.85K2II

Also catalogued as HD 20468 · HIP 15416

3,807 K
temperature
4.85
apparent magnitude
1,304× ☉
luminosity vs Sun
K2II
spectral type
Distance & comparison with our Sun
1,177 years
at light speed from Earth
0.66×
as hot as the Sun
1,304×
the Sun's light output
-2.94
absolute magnitude
Explore from here · roam the neighborhood
HR 991K-type
Sky regionPerseusthis direction
StarAtik130 ly
Star40 Per150 ly
Star55 Ari160 ly
StarMirfakstar
StarZeta Perstar
Nearest stars
Bright stars in Perseus
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 4.8To see it no equipment neededLook toward Perseus

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.