Star
τ Cygni
HIP 104887 · Yellow-white subgiant
True colour from its B–V index (0.39) — a surface around 6,900 K.
Distance
66.3 light-years
Spectral type
F1IV
Brightness
mag 3.74
Absolute mag
2.20
Luminosity
12 × Sun
Surface
~6,900 K
Right ascension
21h 14m 47s
Declination
+38° 03′
- τ Cygni is a yellow-white subgiant in Cygnus.
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Distances and spectral types: HYG Database (Hipparcos parallaxes), CC BY-SA 4.0.