K-type star · orange dwarf

27 Cyg

27 Cyg is an orange dwarf in the constellation Cygnus 78.1 ly from Earth. Its surface is about 5,134 K, about 0.9 times the Sun's surface temperature, and it shines at 3.52× the Sun's brightness. At magnitude 5.4 it is bright enough to see with the naked eye; the light you see left it 78 years ago.

78.1 lybrightness mag 5.38K0IV

Also catalogued as HR 7689 · HD 191026 · HIP 99031

5,134 K
temperature
5.38
apparent magnitude
3.52× ☉
luminosity vs Sun
K0IV
spectral type
Distance & comparison with our Sun
78 years
at light speed from Earth
0.89×
as hot as the Sun
3.52×
the Sun's light output
3.48
absolute magnitude
Explore from here · roam the neighborhood
27 CygK-type
Sky regionCygnusthis direction
Star17 Cyg11 ly
StarAljanah12 ly
StarHR 734514 ly
StarSadrstar
StarFawarisstar
Nearest stars
Bright stars in Cygnus
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.4To 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.