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) | ±0.1 −39.6[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 | ±171 6,307 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 | |
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
- 1 2 3 4 5 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.
- 1 2 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.
- ↑ 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.
- 1 2 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:1103.4651, Bibcode:2011A&A...530A.138C, doi:10.1051/0004-6361/201016276.
- 1 2 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.
- 1 2 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
- ↑ "14 Boo". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2018-01-26.
- ↑ 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:0806.2878, Bibcode:2008MNRAS.389..869E, doi:10.1111/j.1365-2966.2008.13596.x.
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