F-type star · yellow-white star

Tau Cyg

Tau Cyg is a yellow-white star in the constellation Cygnus 66.3 ly from Earth. Its surface is about 6,918 K, about 1.2 times the Sun's surface temperature, and it shines at 11.50× the Sun's brightness. At magnitude 3.7 it is bright enough to see with the naked eye; the light you see left it 66 years ago.

66.3 lybrightness mag 3.74F1IV

Also catalogued as HR 8130 · HD 202444 · HIP 104887 · Gliese Gl 822.1A

6,918 K
temperature
3.74
apparent magnitude
11.50× ☉
luminosity vs Sun
F1IV
spectral type
Distance & comparison with our Sun
66 years
at light speed from Earth
1.20×
as hot as the Sun
11.50×
the Sun's light output
2.20
absolute magnitude
Explore from here · roam the neighborhood
Tau CygF-type
Sky regionCygnusthis direction
StarGliese Gl 822.1B1.9 ly
StarAljanah11 ly
StarMu¹ Cyg15 ly
StarSadrstar
StarFawarisstar
Nearest stars
Bright stars in Cygnus
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 3.7To 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.