HD 183144
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Aquila |
| Right ascension | 19h 27m 33.9083s |
| Declination | +14° 16′ 56.931″ |
| Apparent magnitude (V) | 6.307 |
| Characteristics | |
| Spectral type | B4III |
| U−B color index | -0.51 |
| B−V color index | -0.06 |
| R−I color index | 1.41 |
| Variable type | Variable star |
| Astrometry | |
| Radial velocity (Rv) | 4 km/s |
| Proper motion (μ) | RA: 7.07 mas/yr Dec.: -4.29 mas/yr |
| Parallax (π) | 3.91 ± 0.79 mas |
| Distance | approx. 800 ly (approx. 260 pc) |
| Absolute magnitude (MV) | 6.239 |
| Details | |
| Mass | 18 M☉ |
| Radius | 7 R☉ |
| Luminosity | 20,000 L☉ |
| Temperature | 10,000–30,000 K |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Data sources: | |
| Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) | |
HD 183144 is variable star.
References
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