HD 125351

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 mas[1]
Distance233 ± 7 ly
(72 ± 2 pc)
Orbit[4]
PrimaryA Boötis B
CompanionA Boötis B
Period (P)212.085 days
Semi-major axis (a)2.3 mas
Eccentricity (e)0.570
Inclination (i)83.5°
Longitude of the node (Ω)195.2°
Periastron epoch (T)2,440,286.002
Argument of periastron (ω)
(secondary)
224.9°
Details
Surface gravity (log g)2.25[5] cgs
Temperature4,650[5] K
Metallicity [Fe/H]−0.03[5] dex
Other designations
A Boötis, BD+36° 2468, HD 125351, HIP 69879, HR 5361, SAO 64053
Database references
SIMBADdata

HD 125351 or A Boötis (A Boo) is spectroscopic binary[6] 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.

  1. ^ a b c d e Cite error: The named reference van Leeuwen2007 was invoked but never defined (see the help page).
  2. ^ a b Cite error: The named reference aa430_165 was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference Griffin1961 was invoked but never defined (see the help page).
  4. ^ Ren, Shulin (2013). "Hipparcos Photocentric Orbits of 72 Single-lined Spectroscopic Binaries". The Astronomical Journal. 145 (3): 81. Bibcode:2013AJ....145...81R. doi:10.1088/0004-6256/145/3/81. S2CID 120199240.
  5. ^ a b c Cite error: The named reference aj110_2968 was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference aaa398_1163 was invoked but never defined (see the help page).