Iota Piscis Austrini
| Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) | |
|---|---|
| Constellation | Piscis Austrinus |
| Right ascension | 21h 44m 56.809s |
| Declination | −33° 01′ 32.82″ |
| Apparent magnitude (V) | +4.35 |
| Characteristics | |
| Spectral type | A0 V or A0 III-IV |
| U−B color index | −0.11 |
| B−V color index | −0.05 |
| Astrometry | |
| Proper motion (μ) | RA: +31.10 mas/yr Dec.: −94.56 mas/yr |
| Parallax (π) | 15.97±0.17 mas |
| Distance | 204 ± 2 ly (62.6 ± 0.7 pc) |
| Absolute magnitude (MV) | +0.37 |
| Details | |
| Mass | 2.7 M☉ |
| Radius | 2.7 R☉ |
| Luminosity | 76 L☉ |
| Surface gravity (log g) | 4.00 cgs |
| Temperature | 10,376 K |
| Metallicity [Fe/H] | 0.00 dex |
| Rotational velocity (v sin i) | 50 km/s |
| Age | 292 Myr |
| Other designations | |
| ι PsA, 9 Piscis Austrini, CPD−33°6184, FK5 814, HD 206742, HIP 107380, HR 8305, SAO 213258, WDS J21449-3302A | |
| 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.