HD 125351
| Observation data EpochJ2000EquinoxJ2000 | |
|---|---|
| Constellation | Boötes |
| Right ascension | 14h17m59.81955s[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 ± 0.39mas[1] |
| Distance | 233 ± 7ly (72 ± 2pc) |
| Orbit[4] | |
| Primary | A Boötis B |
| Companion | A 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° |
| Periastronepoch(T) | 2,440,286.002 |
| Argument of periastron(ω) (secondary) | 224.9° |
| Details | |
| Surface gravity(logg) | 2.25[5]cgs |
| Temperature | 4,650[5]K |
| Metallicity[Fe/H] | −0.03[5]dex |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 125351orA Boötis(A Boo) isspectroscopic binary[6]in theconstellationBoötes.The system has anapparent magnitudeof +4.97, with a spectrum matching aK-typegiant star.It is approximately 233light-yearsfromEarth.
References
[edit]- ^abcdevan 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,S2CID18759600.
- ^abFamaey, 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,arXiv:astro-ph/0409579,Bibcode:2005A&A...430..165F,doi:10.1051/0004-6361:20041272,S2CID17804304.
- ^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,doi:10.1093/mnras/122.3.181.
- ^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.S2CID120199240.
- ^abcLuck, 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.
- ^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(3): 1163–1177,arXiv:astro-ph/0211483,Bibcode:2003A&A...398.1163P,doi:10.1051/0004-6361:20021736,S2CID12361870.
External links
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