14 Sagittae
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| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Aquila |
| Right ascension | 20h 03m 30.01594s[1] |
| Declination | +16° 01′ 52.5054″[1] |
| Apparent magnitude (V) | 5.89[2] |
| Characteristics | |
| Spectral type | B9p HgMn[3] |
| U−B color index | –0.44[2] |
| B−V color index | –0.06[2] |
| Astrometry | |
| Radial velocity (Rv) | –21.7[4] km/s |
| Proper motion (μ) | RA: +5.28[1] mas/yr Dec.: –8.99[1] mas/yr |
| Parallax (π) | 5.11 ± 0.32[1] mas |
| Distance | 640 ± 40 ly (200 ± 10 pc) |
| Details | |
| Surface gravity (log g) | 3.60[3] cgs |
| Temperature | 13,200[3] K |
| Rotational velocity (v sin i) | 20[5] km/s |
| Other designations | |
14 Sagittae is the Flamsteed designation for a star in the constellation Aquila.
References
- ↑ 1.0 1.1 1.2 1.3 1.4 van Leeuwen, F. (November 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.
- ↑ 2.0 2.1 2.2 Fernie, J. D. (May 1983), "New UBVRI photometry for 900 supergiants", Astrophysical Journal Supplement Series 52: 7–22, Bibcode:1983ApJS...52....7F, doi:10.1086/190856.
- ↑ 3.0 3.1 3.2 Smith, K. C.; Dworetsky, M. M. (July 1993), "Elemental Abundances in Normal Late B-Stars and Hgmn-Stars from Co-Added IUE Spectra - Part One - Iron Peak Elements", Astronomy and Astrophysics 274 (2): 335, Bibcode:1993A&A...274..335S.
- ↑ Wilson, Ralph Elmer (1953), General Catalogue of Stellar Radial Velocities, Washington: Carnegie Institution of Washington, Bibcode:[http://adsabs.harvard.edu/abs/1953QB901.W495..... 1953QB901.W495.....].
- ↑ Abt, Helmut A.; Levato, Hugo; Grosso, Monica (July 2002), "Rotational Velocities of B Stars", The Astrophysical Journal 573 (1): 359–365, Bibcode:2002ApJ...573..359A, doi:10.1086/340590.
- ↑ "14 Sge -- Star", SIMBAD Astronomical Database (Centre de Données astronomiques de Strasbourg), retrieved 2012-07-13.
External links
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