K-type star · orange

HR 7811

HR 7811 is an orange in the constellation Vulpecula 475 ly from Earth. Its surface is about 4,941 K, about 0.9 times the Sun's surface temperature, and it shines at 98.90× the Sun's brightness. At magnitude 5.7 it is bright enough to see with the naked eye; the light you see left it 475 years ago.

475 lybrightness mag 5.68G6III

Also catalogued as HD 194577 · HIP 100754

4,941 K
temperature
5.68
apparent magnitude
98.90× ☉
luminosity vs Sun
G6III
spectral type
Distance & comparison with our Sun
475 years
at light speed from Earth
0.86×
as hot as the Sun
98.90×
the Sun's light output
-0.14
absolute magnitude
Explore from here · roam the neighborhood
HR 7811K-type
Sky regionVulpeculathis direction
StarHR 771331 ly
StarHD 19032245 ly
StarHR 792347 ly
StarAnserstar
Star23 Vulstar
Nearest stars
Bright stars in Vulpecula
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.7To see it no equipment neededLook toward Vulpecula

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.