HD 125351

From Wikipedia, the free encyclopedia
  (Redirected from A Boötis)
Jump to: navigation, search
HD 125351
Observation data
Epoch J2000      Equinox J2000
Constellation Boötes
Right ascension 14h 17m 59.81955s[1]
Declination +35° 30′ 34.2208″[1]
Apparent magnitude (V) 4.9660±0.0007[2]
Characteristics
Spectral type K1III[3]
Astrometry
Radial velocity (Rv) −21.6±0.3[2] km/s
Proper motion (μ) RA: 4.87[1] mas/yr
Dec.: 14.40[1] mas/yr
Parallax (π) 13.97 ± 0.39[1] mas
Distance 233 ± 7 ly
(72 ± 2 pc)
Details
Surface gravity (log g) 2.25[4] cgs
Temperature 4,650[4] K
Metallicity [Fe/H] −0.03[4] dex
Other designations
A Boötis, BD+36° 2468, HD 125351, HIP 69879, HR 5361, SAO 64053

HD 125351 or A Boötis (A Boo) is spectroscopic binary[5] in the constellation Boötes. The system has an apparent magnitude of +4.97, with a spectrum matching a K-type giant star. It is approximately 233 light years from Earth.

References[edit]

  1. ^ a b c d e 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. 
  2. ^ a b Famaey, B. et al. (2005), "Local kinematics of K and M giants from CORAVEL/Hipparcos/Tycho-2 data. Revisiting the concept of superclusters", Astronomy and Astrophysics 430: 165–186, Bibcode:2005A&A...430..165F, doi:10.1051/0004-6361:20041272. 
  3. ^ Griffin, R. F. (1961), "Photoelectric measurements of the lambda5250A Fe I triplet and the D lines in G and K stars", Monthly Notices of the Royal Astronomical Society 122: 181, Bibcode:1961MNRAS.122..181G. 
  4. ^ a b c Luck, R. Earle; Challener, Sharon L. (December 1995), "Chemical Abundances for Very Strong-Lined Giants", Astronomical Journal 110: 2968, Bibcode:1995AJ....110.2968L, doi:10.1086/117741. 
  5. ^ Pourbaix, D.; Boffin, H. M. J. (February 2003), "Reprocessing the Hipparcos Intermediate Astrometric Data of spectroscopic binaries. II. Systems with a giant component", Astronomy and Astrophysics 398: 1163–1177, arXiv:astro-ph/0211483, Bibcode:2003A&A...398.1163P, doi:10.1051/0004-6361:20021736. 

External links[edit]