K-type star · orange

HR 7798

HR 7798 is an orange in the constellation Cygnus 405 ly from Earth. Its surface is about 4,565 K, about 0.8 times the Sun's surface temperature, and it shines at 78.78× the Sun's brightness. At magnitude 5.6 it is bright enough to see with the naked eye; the light you see left it 405 years ago.

405 lybrightness mag 5.58K0IIIvar

Also catalogued as HD 194152 · HIP 100437

4,565 K
temperature
5.58
apparent magnitude
78.78× ☉
luminosity vs Sun
K0IIIvar
spectral type
Distance & comparison with our Sun
405 years
at light speed from Earth
0.79×
as hot as the Sun
78.78×
the Sun's light output
0.11
absolute magnitude
Explore from here · roam the neighborhood
HR 7798K-type
Sky regionCygnusthis direction
StarHR 784120 ly
StarOmega² Cyg27 ly
StarHR 787031 ly
StarSadrstar
StarAljanahstar
Nearest stars
Bright stars in Cygnus
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.6To see it no equipment neededLook toward Cygnus

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.