Astronomy:HD 126271

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Short description: Star in the constellation Boötes
HD 126271
Observation data
Equinox J2000.0]] (ICRS)
Constellation Boötes[1]
Right ascension  14h 24m 18.26833s[2]
Declination +08° 05′ 04.5531″[2]
Apparent magnitude (V) 6.18[3]
Characteristics
Evolutionary stage red giant branch[2]
Spectral type K4 III[4]
U−B color index 1.24[3]
B−V color index 1.18[3]
Astrometry
Radial velocity (Rv)−30.8±0.8[5] km/s
Proper motion (μ) RA: −120.146[2] mas/yr
Dec.: −101.944[2] mas/yr
Parallax (π)8.0968 ± 0.0330[2] mas
Distance403 ± 2 ly
(123.5 ± 0.5 pc)
Absolute magnitude (MV)+0.99[1]
Details
Mass1.4[6] M
Radius11.4[7] R
Luminosity52[4] L
Surface gravity (log g)2.3[6] cgs
Temperature4,410[6] K
Metallicity [Fe/H]+0.00[6] dex
Other designations
BD+08°2858, HD 126271, HIP 70414, HR 5394, SAO 120436[8]
Database references
SIMBADdata

HD 126271 is a suspected variable star in the northern constellation of Boötes.

References

  1. 1.0 1.1 Anderson, E.; Francis, Ch. (2012). "XHIP: An extended hipparcos compilation". Astronomy Letters 38 (5): 331. doi:10.1134/S1063773712050015. Bibcode2012AstL...38..331A. 
  2. 2.0 2.1 2.2 2.3 2.4 2.5 Vallenari, A. et al. (2022). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy & Astrophysics. doi:10.1051/0004-6361/202243940  Gaia DR3 record for this source at VizieR.
  3. 3.0 3.1 3.2 Mermilliod, J.-C. (1986), "Compilation of Eggen's UBV data, transformed to UBV (unpublished)", Catalogue of Eggen's UBV Data. SIMBAD, Bibcode1986EgUBV........0M 
  4. 4.0 4.1 Luck, R. Earle; Heiter, Ulrike (June 2007), "Giants in the Local Region", The Astronomical Journal 133 (6): 2464–2486, doi:10.1086/513194, Bibcode2007AJ....133.2464L 
  5. Gontcharov, G. A. (November 2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters 32 (11): 759–771. doi:10.1134/S1063773706110065. Bibcode2006AstL...32..759G. 
  6. 6.0 6.1 6.2 6.3 Melo, C. H. F. et al. (August 2005), "On the nature of lithium-rich giant stars. Constraints from beryllium abundances", Astronomy and Astrophysics 439 (1): 227–235, doi:10.1051/0004-6361:20041805, Bibcode2005A&A...439..227M. 
  7. McDonald, I.; Zijlstra, A. A.; Watson, R. A. (2017). "Fundamental parameters and infrared excesses of Tycho-Gaia stars". Monthly Notices of the Royal Astronomical Society 471 (1): 770. doi:10.1093/mnras/stx1433. Bibcode2017MNRAS.471..770M. 
  8. "HD 126271". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+126271.