QS Aquilae
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Aquila |
| Right ascension | 19h 41m 05.528s[1] |
| Declination | +13° 48′ 56.45″[1] |
| Apparent magnitude (V) | 5.988 |
| Characteristics | |
| Spectral type | B5V |
| U−B color index | −0.52 |
| B−V color index | −0.08 |
| Variable type | Algol variable |
| Astrometry | |
| Radial velocity (Rv) | −14.2 km/s |
| Proper motion (μ) | RA: −0.04 ± 0.60[1] mas/yr Dec.: −11.47 ± 0.43[1] mas/yr |
| Parallax (π) | 0.49 ± 0.62[1] mas |
| Distance | approx. 7,000 ly (approx. 2,000 pc) |
| Absolute magnitude (MV) | 5.907 |
| Details | |
| Mass | 4.5–6 M☉ |
| Radius | 3.8 R☉ |
| Luminosity | ? L☉ |
| Temperature | 17500 K |
| Metallicity | ? |
| Rotation | 58 Km/s 0,006881 Year |
| Age | ? years |
| Orbit | |
| Companion | QS Aquilae B |
| Semi-major axis (a) | 0,2" |
| Inclination (i) | 313° |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Data sources: | |
| Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) | |
QS Aquilae is eclipsing binary of Algol type.
References
- ↑ 1.0 1.1 1.2 1.3 1.4 van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics 474 (2): 653–664. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.Vizier catalog entry
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