Iota Piscis Austrini

Iota Piscis Austrini

Location of ι Piscis Austrini (circled)

Observation data Epoch J2000.0      Equinox J2000.0
Constellation	Piscis Austrinus
Right ascension	21^h 44^m 56.79^s
Declination	−33° 01' 32.0"
Apparent magnitude (V)	+4.35
Distance	205 ly (63 pc)
Spectral type	B9.5V
Other designations
ι  Piscis Austrini, ι PsA, Iota PsA, 9 Piscis Austrini, CCDM J21449-3302A, CPD −33° 6184, FK5 814, GC 30439, HD 206742, HIP 107380, HR 8305, IDS 21390-3329 A, PPM 301781, SAO 213258, WDS J21449-3302A

Iota Piscis Austrini (Iota PsA, ι Piscis Austrini, ι PsA) is multiple star system in constellation of Piscis Austrinus, with an apparent magnitude of +4.35. The primary component is a white B-type subgiant. It is approximately 205 light years from Earth.

Iota Piscis Austrini is moving through the Galaxy at a speed of 29.7 km/s relative to the Sun. Its projected Galactic orbit carries it between 18,400 and 24,300 light years from the center of the Galaxy.^[1]

Naming

In Chinese, 天錢 (Tiān Qián), meaning Celestial Money, refers to an asterism consisting of refers to an asterism consisting of ι Piscis Austrini 13 Piscis Austrini, θ Piscis Austrini, μ Piscis Austrini and τ Piscis Austrini. Consequently, ι Piscis Austrini itself is known as 天錢三 (Tiān Qián sān, English: the Third Star of Celestial Money.)^[2]

References

1. Iota Piscis Austrini (HIP 107380)
2. (Chinese) AEEA (Activities of Exhibition and Education in Astronomy) 天文教育資訊網 2006 年 7 月 5 日