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HD 126128

From Wikipedia, the free encyclopedia

HD 126128/9
Observation data
Epoch J2000      Equinox J2000
Constellation Boötes
Right ascension 14h 23m 22.69526s[1]
Declination +08° 26′ 47.8351″[1]
Apparent magnitude (V) 6.86 + 5.14[2]
Characteristics
HD 126128
Spectral type F0V + F2V[3]
U−B color index -0.01[2]
B−V color index +0.43[2]
HD 126129
Spectral type A0V[4]
U−B color index −0.01[2]
B−V color index +0.01[2]
Astrometry
Radial velocity (Rv)−23.0±1.6[5] km/s
Proper motion (μ) RA: -75.89[1] mas/yr
Dec.: -8.13[1] mas/yr
Parallax (π)15.17 ± 0.53 mas[1]
Distance215 ± 8 ly
(66 ± 2 pc)
Details
HD 126129
Rotational velocity (v sin i)133[4] km/s
Other designations
ADS 9247 ABC, WDS J14234+0827A,BC
HD 126128: HR 5385
HD 126129: BD+09 2882, HIP 70327, HR 5386, SAO 120426
Database references
HD 126128
SIMBADdata
HD 126129
SIMBADdata

HD 126128/9 is a triple star in the northern constellation of Boötes. Two of the components (HD 126128) form a binary star system with an orbital period of 39.5 years and an eccentricity of 0.25. The third component (HD 126129), and the brightest member of the trio, lies at an angular separation of 6.250″ from the other two.[3]

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Transcription

References

  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, S2CID 18759600.
  2. ^ a b c d e Mermilliod, J.-C. (1986), "Compilation of Eggen's UBV data, transformed to UBV (unpublished)", Catalogue of Eggen's UBV Data. SIMBAD, Bibcode:1986EgUBV........0M
  3. ^ a b Eggleton, P. P.; Tokovinin, A. A. (September 2008). "A catalogue of multiplicity among bright stellar systems". Monthly Notices of the Royal Astronomical Society. 389 (2): 869–879. arXiv:0806.2878. Bibcode:2008MNRAS.389..869E. doi:10.1111/j.1365-2966.2008.13596.x. S2CID 14878976.
  4. ^ a b Royer, F.; Zorec, J.; Gómez, A. E. (February 2007), "Rotational velocities of A-type stars. III. Velocity distributions", Astronomy and Astrophysics, 463 (2): 671–682, arXiv:astro-ph/0610785, Bibcode:2007A&A...463..671R, doi:10.1051/0004-6361:20065224, S2CID 18475298
  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. arXiv:1606.08053. Bibcode:2006AstL...32..759G. doi:10.1134/S1063773706110065. S2CID 119231169.

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This page was last edited on 27 October 2022, at 05:09
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