Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) |
|
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Constellation | Piscis Austrinus |
Right ascension | 22h 14m 18.75180s |
Declination | −27° 46′ 00.8667″ |
Apparent magnitude (V) | +4.35 |
Characteristics | |
Spectral type | A0 V |
U−B color index | −0.11 |
B−V color index | −0.05 |
Astrometry | |
Proper motion (μ) |
RA: +23.60 mas/yr Dec.: −6.20 mas/yr |
Parallax (π) | 6.51 ± 0.33mas |
Distance | 500 ± 30 ly (154 ± 8 pc) |
Details | |
Rotational velocity (v sin i) | 50 km/s |
Other designations | |
Database references | |
SIMBAD | data |
Iota Piscis Austrini (ι Piscis Austrini) is a solitary, blue-white hued star in the southern constellation of Piscis Austrinus. It has an apparent visual magnitude of +4.35 and is around 500 light years from the Sun. This is an A-type main sequence star with a stellar classification of A0 V. It has a magnitude 11.4 visual companion located at an angular separation of 20 arc seconds along a position angle of 290°, as of 1910.
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.
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.)