14 Boötis

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14 Boötis
Observation data
Epoch J2000      Equinox
Constellation Boötes
Right ascension 14h 14m 05.17980s[1]
Declination +12° 57′ 33.9993″[1]
Apparent magnitude (V) 5.53[2]
Characteristics
Spectral type F8 V[3]
B−V color index 0.55[2]
Astrometry
Radial velocity (Rv) −39.6±0.1[4] km/s
Proper motion (μ) RA: −253.97[1] mas/yr
Dec.: −54.47[1] mas/yr
Parallax (π) 29.48 ± 0.28[1] mas
Distance 111 ± 1 ly
(33.9 ± 0.3 pc)
Absolute magnitude (MV) 2.92[5]
Details[4]
14 Boötis A
Mass 1.46 M
Luminosity 5.89[5] L
Surface gravity (log g) 4.00 cgs
Temperature 6,307±171 K
Metallicity [Fe/H] +0.21 dex
Rotation 726.6 days[6]
Rotational velocity (v sin i) 5.6[6] km/s
Age 2.60 Gyr
Other designations
14 Boo, BD+13° 2764, HD 124570, HIP 69536, HR 5323, SAO 100925, WDS J14141+1258AB, LTT 14163[7]
Database references
SIMBAD data

14 Boötis is a binary star[8] system in the northern constellation of Boötes. Its apparent magnitude is 5.53.

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:0708.1752Freely accessible, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357. 
  2. ^ a b Takeda, Yoichi; et al. (February 2005), "High-Dispersion Spectra Collection of Nearby F--K Stars at Okayama Astrophysical Observatory: A Basis for Spectroscopic Abundance Standards", Publications of the Astronomical Society of Japan, 57 (1): 13–25, Bibcode:2005PASJ...57...13T, doi:10.1093/pasj/57.1.13. 
  3. ^ Abt, Helmut A. (2009), "MK Classifications of Spectroscopic Binaries", The Astrophysical Journal Supplement, 180 (1): 117–18, Bibcode:2009ApJS..180..117A, doi:10.1088/0067-0049/180/1/117. 
  4. ^ a b Casagrande, L.; et al. (June 2011), "New constraints on the chemical evolution of the solar neighbourhood and Galactic disc(s). Improved astrophysical parameters for the Geneva-Copenhagen Survey", Astronomy and Astrophysics, 530: A138, arXiv:1103.4651Freely accessible, Bibcode:2011A&A...530A.138C, doi:10.1051/0004-6361/201016276. 
  5. ^ a b Takeda, Yoichi (April 2007), "Fundamental Parameters and Elemental Abundances of 160 F-G-K Stars Based on OAO Spectrum Database", Publications of the Astronomical Society of Japan, 59 (2): 335–356, Bibcode:2007PASJ...59..335T, doi:10.1093/pasj/59.2.335. 
  6. ^ a b Pizzolato, N.; Maggio, A.; Sciortino, S. (September 2000), "Evolution of X-ray activity of 1-3 Msun late-type stars in early post-main-sequence phases", Astronomy and Astrophysics, 361: 614–628, Bibcode:2000A&A...361..614P 
  7. ^ "14 Boo". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2018-01-26. 
  8. ^ Eggleton, P. P.; Tokovinin, A. A. (September 2008), "A catalogue of multiplicity among bright stellar systems", Monthly Notices of the Royal Astronomical Society, 389 (2): 869–879, arXiv:0806.2878Freely accessible, Bibcode:2008MNRAS.389..869E, doi:10.1111/j.1365-2966.2008.13596.x. 

External links[edit]