V1401 Aquilae
| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Aquila |
| Right ascension | 20h 05m 05.41390s |
| Declination | −11° 35′ 57.8808″ |
| Apparent magnitude (V) | 6.39 |
| Characteristics | |
| Spectral type | F1III |
| B−V color index | 0.52 |
| Variable type | type II Cepheid |
| Astrometry | |
| Radial velocity (Rv) | -12.1 ± 2 km/s |
| Proper motion (μ) | RA: -2.19 ± 0.44 mas/yr Dec.: -14.18 ± 0.43 mas/yr |
| Parallax (π) | 2.56 ± 0.97 mas |
| Distance | approx. 1,300 ly (approx. 400 pc) |
| Absolute magnitude (MV) | 6.88 |
| Details | |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Database references | |
| SIMBAD | data |
| Data sources: | |
| Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) |
|
V1401 Aquilae is semi-regular pulsating star in the constellation Aquila. Its evolutionary status is unclear, and it has been classified as a post-AGB object, a UU Herculis variable or belonging to the W Virginis variable subclass of the type II Cepheids. It has a low metallicity.[1] V1401 Aquilae was a latter designation of 64 Sagitarii.[2]
References
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