HD 125040

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HD 125040
Observation data
Epoch J2000      Equinox J2000
Constellation Boötes
Right ascension 14h 16m 32.84326s[1]
Declination +20° 07′ 18.6591″[1]
Apparent magnitude (V) 6.25[2]
Characteristics
Spectral type F8V[3]
B−V color index +0.488[2]
Astrometry
Radial velocity (Rv) −7.20±0.55[4] km/s
Proper motion (μ) RA: −135.85±0.57[1] mas/yr
Dec.: −93.28±0.46[1] mas/yr
Parallax (π) 30.65 ± 0.64[1] mas
Distance 106 ± 2 ly
(32.6 ± 0.7 pc)
Other designations
BD+20° 2954, HIP 69751, HR 5346, SAO 83259, WDS J14165+2007AB.[5]
Database references
SIMBAD data
Database references
SIMBAD data

HD 125040 is a visual binary star in the northern constellation Boötes. The pair orbit each other with a semi-major axis of 105 astronomical units and a period of roughly 750 years.[6]

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:0708.1752free to read. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.  Vizier catalog entry
  2. ^ a b Häggkvist, L.; Oja, T. (1969), "Photoelectric BV photometry of 368 northern stars", Arkiv för Astronomi, 5: 125−135, Bibcode:1969ArA.....5..125H 
  3. ^ Harlan, E. A.; Taylor, D. C. (March 1970), "MK classification for F- and G-type stars. II", Astronomical Journal, 75 (2): 165–166, Bibcode:1970AJ.....75..165H, doi:10.1086/110956 
  4. ^ Valenti, Jeff A.; Fischer, Debra A. (July 2005). "Spectroscopic Properties of Cool Stars (SPOCS). I. 1040 F, G, and K Dwarfs from Keck, Lick, and AAT Planet Search Programs". The Astrophysical Journal Supplement Series. 159 (1): 141–166. Bibcode:2005ApJS..159..141V. doi:10.1086/430500. 
  5. ^ "HR 5346 -- Star in double system". SIMBAD Astronomical Database. Centre de données astronomiques de Strasbourg. Retrieved 2014-10-02. 
  6. ^ Mason, Brian D.; et al. (2013). "Speckle Interferometry at the U.S. Naval Observatory. XIX". The Astronomical Journal. 146 (3). 56. Bibcode:2013AJ....146...56M. doi:10.1088/0004-6256/146/3/56. 

External links[edit]