Psi1 Piscium
|
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Pisces |
| Right ascension | 01h 05m 40.93s |
| Declination | +21° 28' 23.6" |
| Apparent magnitude (V) | +5.33 |
| Distance | 238 ly (73 pc) |
| Spectral type | A1Vn |
| Other designations | |
Psi¹ Piscium (Psi¹ Psc, ψ¹ Piscium, ψ¹ Psc) is binary star in constellation of Pisces, with an apparent magnitude of +5.33. The primary component is a white A-type main sequence. It is approximately 238 light years from Earth.
Psi¹ Piscium is moving through the Galaxy at a speed of 22.5 km/s relative to the Sun. Its projected Galactic orbit carries it between 22,800 and 24,300 light years from the center of the Galaxy.[1]
Naming
In Chinese, 奎宿 (Kuí Sù), meaning Legs (asterism), refers to an asterism consisting of refers to an asterism consisting of ψ¹ Piscium, η Andromedae, 65 Piscium, ζ Andromedae, ε Andromedae, δ Andromedae, π Andromedae, ν Andromedae, μ Andromedae, β Andromedae, τ Piscium, 91 Piscium, υ Piscium, φ Piscium and χ Piscium. Consequently, ψ¹ Piscium itself is known as 奎宿十六 (Kuí Sù shíliù, English: the Sixteenth Star of Legs.)[2]