Epoch J2000.0 Equinox J2000.0
|Right ascension||01h 11m 39.59s|
|Declination||+30° 05' 23.0"|
|Apparent magnitude (V)||+4.51|
Tau Piscium is moving through the Galaxy at a speed of 40.5 km/s relative to the Sun. Its projected Galactic orbit carries it between 23,900 and 40,900 light years from the center of the Galaxy.
Tau Piscium came closest to the Sun 1.1 million years ago when it had brightened to magnitude 2.97 from a distance of 83 light years.
In Chinese, 奎宿 (Kuí Sù), meaning Legs (asterism), refers to an asterism consisting of refers to an asterism consisting of τ Piscium, η Andromedae, 65 Piscium, ζ Andromedae, ε Andromedae, δ Andromedae, π Andromedae, ν Andromedae, μ Andromedae, β Andromedae, σ Piscium, 91 Piscium, υ Piscium, φ Piscium, χ Piscium and ψ¹ Piscium. Consequently, τ Piscium itself is known as 奎宿十一 (Kuí Sù shíyī, English: the Eleventh Star of Legs.)