Lambda Piscis Austrini

Lambda Piscis Austrini

Location of λ Piscis Austrini (circled)
Observation data Epoch J2000.0      Equinox J2000.0
Constellation	Piscis Austrinus
Right ascension	22h 14m 18.74s
Declination	−27° 46' 00.9"
Apparent magnitude (V)	+5.45
Distance	508 ly (156 pc)
Spectral type	B7V
Other designations
λ  Piscis Austrini, λ PsA, Lambda PsA, 16 Piscis Austrini, CPD−28  7566, FK5 838, GC 31095, HD 210934, HIP 109789, HR 8478, PPM 273537, SAO 190985

Lambda Piscis Austrini (Lambda PsA, λ Piscis Austrini, λ PsA) is a blue B-type main sequence star with an apparent magnitude of +5.45. It is approximately 508 light years from Earth.

Lambda Piscis Austrini is moving through the Galaxy at a speed of 18.1 km/s relative to the Sun. Its projected Galactic orbit carries it between 23,800 and 29,300 light years from the center of the Galaxy.

Naming

In Chinese, 羽林軍 (Yǔ Lín Jūn), meaning Palace Guard, refers to an asterism consisting of λ Piscis Austrini, 29 Aquarii, 35 Aquarii, 41 Aquarii, 47 Aquarii, 49 Aquarii, HD 212448, ε Piscis Austrini, 21 Piscis Austrini, 20 Piscis Austrini, υ Aquarii, 68 Aquarii, 66 Aquarii, 61 Aquarii, 53 Aquarii, 50 Aquarii, 56 Aquarii, 45 Aquarii, 58 Aquarii, 64 Aquarii, 65 Aquarii, 70 Aquarii, 74 Aquarii, τ² Aquarii, τ¹ Aquarii, δ Aquarii, 77 Aquarii, 88 Aquarii, 89 Aquarii, 86 Aquarii, 101 Aquarii, 100 Aquarii, 99 Aquarii, 98 Aquarii, 97 Aquarii, 94 Aquarii, ψ³Aquarii, ψ²Aquarii, ψ¹Aquarii, 87 Aquarii, 85 Aquarii, 83 Aquarii, χ Aquarii, ω¹ Aquarii and ω² Aquarii. Consequently, λ Piscis Austrini, itself is known as 羽林軍六 (Yǔ Lín Jūn liù, English: the Sixth Star of Palace Guard.)