Z Apodis
Z Apodis (Z Aps) is a variable star in the constellation of Apus. It has an apparent visual magnitude which varies between 10.8 and 12.8, over a period of 39.37 days. Although described in the General Catalogue of Variable Stars as a cataclysmic variable star, it appears that it is a pulsating variable star, and has been classed as an RV Tauri variable star, type RVa. Other sources classify it is a type II (W Virginis) Cepheid.
| Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) | |
|---|---|
| Constellation | Apus |
| Right ascension | 14h 06m 54.82s |
| Declination | −71° 22′ 16.7″ |
| Apparent magnitude (V) | 10.8 to 12.0 |
| Characteristics | |
| U−B color index | +0.5 - +1.5 |
| B−V color index | +1.5 - +1.75 |
| Variable type | RV Tau? |
| Astrometry | |
| Proper motion (μ) | RA: −3.841 mas/yr Dec.: −1.604 mas/yr |
| Parallax (π) | 0.3135 ± 0.0131 mas |
| Distance | 10,400 ± 400 ly (3,200 ± 100 pc) |
| Details | |
| Mass | 3.2 M☉ |
| Radius | 27.6 R☉ |
| Luminosity | 405 L☉ |
| Surface gravity (log g) | 2.12 cgs |
| Temperature | 4,579 K |
| Metallicity [Fe/H] | −0.76 dex |
| Age | 11 Gyr |
| Other designations | |
| Database references | |
| SIMBAD | data |
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