Iota Pavonis
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Pavo |
| Right ascension | 18h 10m 26.15370s |
| Declination | −62° 00′ 07.9922″ |
| Apparent magnitude (V) | 5.47 |
| Characteristics | |
| Spectral type | G0V |
| Apparent magnitude (B) | 6.07 |
| Apparent magnitude (J) | 4.43±0.31 |
| Apparent magnitude (H) | 4.02±0.24 |
| Apparent magnitude (K) | 4.130±0.266 |
| Astrometry | |
| Radial velocity (Rv) | 30.20±0.14 km/s |
| Proper motion (μ) | RA: −76.952±0.159 mas/yr Dec.: 222.452±0.188 mas/yr |
| Parallax (π) | 56.1961±0.2674 mas |
| Distance | 58.0 ± 0.3 ly (17.79 ± 0.08 pc) |
| Absolute magnitude (MV) | 4.24±0.02 |
| Orbit | |
| Period (P) | 8304.32±15.34 d |
| Semi-major axis (a) | 8.56+0.29 −0.31 au |
| Eccentricity (e) | 0.43430±0.00160 |
| Inclination (i) | 79.55+0.59 −0.60° |
| Argument of periastron (ω) (secondary) | 203.74+0.38 −0.40° |
| Semi-amplitude (K1) (primary) | 1.355±0.003 km/s |
| Details | |
| ι Pavonis A | |
| Mass | 1.03+0.10 −0.06 M☉ |
| Radius | 1.26+0.02 −0.03 R☉ |
| Luminosity | 1.85+0.13 −0.11 L☉ |
| Surface gravity (log g) | 4.29±0.07 cgs |
| Temperature | 5951±29 K |
| Metallicity [Fe/H] | −0.07±0.06 dex |
| Rotational velocity (v sin i) | 2.5 km/s |
| Age | 7.221+2.747 −1.990 Gyr |
| ι Pavonis B | |
| Mass | 141±10 MJup |
| Other designations | |
| ι Pav, CD−62 1190, GJ 9616, HD 165499, HIP 89042, HR 6761, SAO 254157, LTT 7205, 2MASS J18102614-6200078 | |
| Database references | |
| SIMBAD | data |
Iota Pavonis (Latinized from ι Pavonis) is a binary star in the southern constellation of Pavo. It is located at a distance of 58.0 light-years (17.79 parsecs) from the Sun based on its parallax. It has an apparent visual magnitude of 5.47, making it very faintly visible to the naked eye from the southern hemisphere.
Iota Pavonis consists of a solar-type primary star and a low-mass stellar companion detected by radial velocity and astrometry.