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HD 219659

January 01, 1970

HD 219659 is suspected variable star in the equatorial constellation of Aquarius.

HD 219659
Observation data
Epoch J2000      Equinox J2000
Constellation Aquarius
Right ascension 23h 17m 40.08278s[1]
Declination −11° 42′ 46.5910″[1]
Apparent magnitude (V) 6.33[2]
Characteristics
Spectral type A1/A2IV/V[3]
U−B color index +0.00[2]
B−V color index +0.05[2]
Astrometry
Radial velocity (Rv)2.2[4] km/s
Proper motion (μ) RA: +40.58[1] mas/yr
Dec.: +5.32[1] mas/yr
Parallax (π)8.24 ± 0.53 mas[1]
Distance400 ± 30 ly
(121 ± 8 pc)
Details
Radius1.9[5] R☉
Rotational velocity (v sin i)196[6] km/s
Other designations
BD-12° 6461, HD 219659, HIP 115015, HR 8856, SAO 165609.
Database references
SIMBADdata

References edit

  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 Alexander, J. B.; Carter, B. S. (1971), "Motion of A0 stars perpendicular to the galactic plane. V. (U, B, V) photometry of A stars in the south galactic cap.", Royal Observatory Bulletin, Greenwich-Cape, 169 (169): 353–361, Bibcode:1971RGOB..169..351A
  3. ^ Houk, Nancy; Smith-Moore, M. (1978), Michigan catalogue of two-dimensional spectral types for the HD stars, vol. 4, Ann Arbor: Dept. of Astronomy, University of Michigan, Bibcode:1988mcts.book.....H
  4. ^ 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.
  5. ^ Pasinetti Fracassini, L. E.; et al. (February 2001), "Catalogue of Apparent Diameters and Absolute Radii of Stars (CADARS) - Third edition - Comments and statistics", Astronomy and Astrophysics, 367 (2): 521–524, arXiv:astro-ph/0012289, Bibcode:2001A&A...367..521P, doi:10.1051/0004-6361:20000451, S2CID 425754
  6. ^ 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

External links edit

  • Image HD 219659
 

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January 01, 1970
219659, suspected, variable, star, equatorial, constellation, aquarius, observation, dataepoch, j2000, equinox, j2000, constellation, aquarius, right, ascension, 08278s, declination, 5910, apparent, magnitude, characteristics, spectral, type, a2iv, color, inde. HD 219659 is suspected variable star in the equatorial constellation of Aquarius HD 219659 Observation dataEpoch J2000 Equinox J2000 Constellation Aquarius Right ascension 23h 17m 40 08278s 1 Declination 11 42 46 5910 1 Apparent magnitude V 6 33 2 Characteristics Spectral type A1 A2IV V 3 U B color index 0 00 2 B V color index 0 05 2 AstrometryRadial velocity Rv 2 2 4 km sProper motion m RA 40 58 1 mas yr Dec 5 32 1 mas yrParallax p 8 24 0 53 mas 1 Distance400 30 ly 121 8 pc DetailsRadius1 9 5 R Rotational velocity v sin i 196 6 km s Other designationsBD 12 6461 HD 219659 HIP 115015 HR 8856 SAO 165609 Database referencesSIMBADdataReferences edit 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 amp A 474 653V doi 10 1051 0004 6361 20078357 S2CID 18759600 a b c Alexander J B Carter B S 1971 Motion of A0 stars perpendicular to the galactic plane V U B V photometry of A stars in the south galactic cap Royal Observatory Bulletin Greenwich Cape 169 169 353 361 Bibcode 1971RGOB 169 351A Houk Nancy Smith Moore M 1978 Michigan catalogue of two dimensional spectral types for the HD stars vol 4 Ann Arbor Dept of Astronomy University of Michigan Bibcode 1988mcts book H 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 Pasinetti Fracassini L E et al February 2001 Catalogue of Apparent Diameters and Absolute Radii of Stars CADARS Third edition Comments and statistics Astronomy and Astrophysics 367 2 521 524 arXiv astro ph 0012289 Bibcode 2001A amp A 367 521P doi 10 1051 0004 6361 20000451 S2CID 425754 Royer F Zorec J Gomez 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 amp A 463 671R doi 10 1051 0004 6361 20065224 S2CID 18475298External links editImage HD 219659 nbsp This variable star related article is a stub You can help Wikipedia by expanding it vte nbsp This subgiant star related article is a stub You can help Wikipedia by expanding it vte Retrieved from https en wikipedia org w index php title HD 219659 amp oldid 1141666125, wikipedia, wiki, book, books, library,

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