HD 179791
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Aquila |
| Right ascension | 19h 13m 44.0264s |
| Declination | +05° 30′ 56.179″ |
| Apparent magnitude (V) | 6.482 |
| Characteristics | |
| Spectral type | A3V |
| U−B color index | 0.11 |
| B−V color index | 0.09 |
| Variable type | Variable star |
| Astrometry | |
| Radial velocity (Rv) | 9 km/s |
| Proper motion (μ) | RA: 7.51 mas/yr Dec.: -13.44 mas/yr |
| Parallax (π) | 5.45 ± 0.95 mas |
| Distance | approx. 600 ly (approx. 180 pc) |
| Absolute magnitude (MV) | 6.57 |
| Details | |
| Mass | 3.1 M☉ |
| Radius | 2.1 R☉ |
| Luminosity | 40 L☉ |
| Temperature | 7,500–10,000 K |
| Rotational velocity (v sin i) | 175 km/s |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Data sources: | |
| Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) | |
HD 179791 is variable star.
References
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