14 Sagittae

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14 Sagittae
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
BD+15 4033, HD 190229, HIP 98754, HR 7664, SAO 105615.[6]

14 Sagittae is the Flamsteed designation for a star in the constellation Aquila.

References[edit]

  1. ^ a b c d e 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. ^ a b c 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. ^ a b c 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. 
  4. ^ Wilson, Ralph Elmer (1953), General Catalogue of Stellar Radial Velocities, Washington: Carnegie Institution of Washington, Bibcode:1953QB901.W495...... 
  5. ^ 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. 
  6. ^ "14 Sge -- Star", SIMBAD Astronomical Database (Centre de Données astronomiques de Strasbourg), retrieved 2012-07-13. 

External links[edit]