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HD 151566

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HD 151566
Observation data
Epoch J2000      Equinox J2000
Constellation Ara
Right ascension 16h 50m 36.07960s[1]
Declination −50° 02′ 41.8040″[1]
Apparent magnitude (V) 6.45[2] (7.17 + 7.33)[3]
Characteristics
Spectral type A5III + F7III[4]
U−B color index +0.07[2]
B−V color index +0.33[2]
Astrometry
Radial velocity (Rv)24.6±1.6[5] km/s
Proper motion (μ) RA: -7.97[1] mas/yr
Dec.: -2.84[1] mas/yr
Parallax (π)6.19 ± 1.22 mas[1]
Distanceapprox. 500 ly
(approx. 160 pc)
Details
Luminosity51.5[6] L☉
Temperature7,000[6] K
Other designations
CD-49° 10998, HD 151566, HIP 82418, HR 6236.
Database references
SIMBADdata

HD 151566 is double star in the southern constellation of Ara. As of 1991, the pair had an angular separation of 3.10″ along a position angle of 42°.[3]

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.
  2. ^ a b c Hurly, P. R. (1975), "Combined-light UBV Photometry of 103 Bright Southern Visual Doubles", Monthly Notes of the Astronomical Society of Southern Africa, 34: 7, Bibcode:1975MNSSA..34....7H.
  3. ^ a b Mason, B. D.; et al. (2014), The Washington Visual Double Star Catalog, Bibcode:2001AJ....122.3466M, doi:10.1086/323920, retrieved 2015-07-22.
  4. ^ Hoffleit, D.; Warren Jr, W. H. (1991), Bright Star Catalogue (5th Revised (Preliminary Version) ed.), Astronomical Data Center, NSSDC/ADC, retrieved 2015-08-17.
  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.
  6. ^ a b McDonald, I.; et al. (2012), "Fundamental Parameters and Infrared Excesses of Hipparcos Stars", Monthly Notices of the Royal Astronomical Society, 427 (1): 343–57, arXiv:1208.2037, Bibcode:2012MNRAS.427..343M, doi:10.1111/j.1365-2966.2012.21873.x.{{citation}}: CS1 maint: unflagged free DOI (link)


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