V1429 Aquilae
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Aquila |
| Right ascension | 19h 21m 33.977s |
| Declination | +14° 52′ 56.91″ |
| Apparent magnitude (V) | 9.79 - 10.1 |
| Characteristics | |
| Spectral type | B3Ibe |
| U−B color index | 0.25 |
| B−V color index | 1.48 |
| Variable type | Eclipsing + cLBV |
| Astrometry | |
| Radial velocity (Rv) | +30.7 km/s |
| Proper motion (μ) | RA: −2.144 mas/yr Dec.: −4.968 mas/yr |
| Parallax (π) | 0.2224±0.0203 mas |
| Distance | 15,000 ± 1,000 ly (4,500 ± 400 pc) |
| Absolute magnitude (MV) | −8.2 |
| Orbit | |
| Period (P) | 60.737 ± 0.008 days |
| Eccentricity (e) | 0.244 ± 0.020 |
| Periastron epoch (T) | 2449546.01 ± 1.10 |
| Argument of periastron (ω) (secondary) | 218.7 ± 5.7° |
| Semi-amplitude (K1) (primary) | 89.7 ± 2.0 km/s |
| Details | |
| Mass | 39.66 M☉ |
| Radius | 86.80 R☉ |
| Luminosity | 710,000 L☉ |
| Surface gravity (log g) | 2.26 cgs |
| Temperature | 18,000 K |
| Rotational velocity (v sin i) | 50 km/s |
| secondary | |
| Mass | 26.26 M☉ |
| Radius | 20.41 R☉ |
| Surface gravity (log g) | 3.55 cgs |
| Temperature | 6,227 K |
| Age | 6 Myr |
| Other designations | |
| V1429 Aql, BD+14°3887, MWC 314, 2MASS J19213397+1452570, WISE J192133.96+145257.0 | |
| Database references | |
| SIMBAD | data |
V1429 Aquilae is a candidate luminous blue variable multiple star system located in the constellation of Aquila. It is often referred to by its Mount Wilson Observatory catalog number as MWC 314. It is a hot luminous star with strong emission lines in its spectrum.