Iota Antliae
 Location of ι Antliae (circled) |
|
| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Antlia |
| Right ascension | 10h 56m 43.05206s[1] |
| Declination | –37° 08′ 15.9552″[1] |
| Apparent magnitude (V) | +4.60[2] |
| Characteristics | |
| Spectral type | K1 III[3] |
| U−B color index | +0.84[2] |
| B−V color index | +1.03[2] |
| Astrometry | |
| Radial velocity (Rv) | –0.2[4] km/s |
| Proper motion (μ) | RA: +76.14[1] mas/yr Dec.: –124.43[1] mas/yr |
| Parallax (π) | 17.16 ± 0.19[1] mas |
| Distance | 190 ± 2 ly (58.3 ± 0.6 pc) |
| Other designations | |
Iota Antliae (ι Ant, ι Antliae) is the Bayer designation for a star in the southern constellation of Antlia. It has an apparent visual magnitude of +4.60,[2] making it a faint naked eye star. From parallax measurements, the distance to this star can be estimated as 190 light-years (58 parsecs).[1] The spectrum of Iota Antliae matches a stellar classification of K1 III,[3] indicating that this is an evolved star that is now in its giant phase. It is a core helium fusing star that is classified as a member of the red clump evolutionary branch.[6]
References
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