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Open Access Articles- Top Results for 29 Aquarii

29 Aquarii

<tr><th style="background-color: #FFFFC0; text-align: center;" colspan="2">Astrometry</th></tr></th></tr><tr><th colspan="2" style="text-align: center"></tr><tr style="vertical-align:top;"><td>Radial velocity (Rv)</td><td>15 km/s</td></tr><tr style="vertical-align:top;"><td>Proper motion (μ)</td><td> RA: +6.26[1] mas/yr
Dec.: –0.51[1] mas/yr </td></tr><tr style="vertical-align:top;"><td>Parallax (π)</td><td>3.70 ± 1.99[1]mas</td></tr><tr style="vertical-align:top;"><td>Distance</td><td>approx. 900 ly
(approx. 300 pc)</td></tr><tr><th colspan="2" style="text-align: center"></th></tr> <tr><th style="background-color: #FFFFC0; text-align: center;" colspan="2">Other designations</th></tr><tr><td colspan="2">
DX Aquarii, BD-17 6422, HD 209278, HIP 108797, HR 8396, SAO 164830.[3]
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29 Aquarii
Observation data
Epoch J2000      Equinox J2000
Constellation Aquarius
Right ascension 22h 02m 26.24906s[1]
Declination −16° 57′ 53.4077″[1]
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This page is a soft redirect. Apparent magnitude (V)

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Characteristics
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This page is a soft redirect. A2 V + K0 III[2]

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29 Aquarii is the Flamsteed designation for a binary star system in the equatorial constellation of Aquarius. The orbital plane of the two stars lies near the line of sight, so they form an Algol-type eclipsing binary with the variable star designation DX Aquarii. The first component of the system is an A-type main sequence star with a stellar classification of A2 V. Its companion is giant star with a classification of K0 III. Their orbital period is 0.94501 days.[2]

Stellar system

The variability of this star was first noticed in 1965 by W. Strohmeier of Remeis-Observatory in Bamberg, Germany.[4] He later discovered that the variability was caused by a binary companion eclipsing the primary star.[5]

References

  1. 1.0 1.1 1.2 1.3 1.4 van Leeuwen, F. (November 2007), "Validation of the new Hipparcos reduction", Astronomy and Astrophysics 474 (2): 653–664, Bibcode:2007A&A...474..653V, arXiv:0708.1752, doi:10.1051/0004-6361:20078357. 
  2. 2.0 2.1 Zasche, P. et al. (August 2009), "A Catalog of Visual Double and Multiple Stars With Eclipsing Components", The Astronomical Journal 138 (2): 664–679, Bibcode:2009AJ....138..664Z, arXiv:0907.5172, doi:10.1088/0004-6256/138/2/664. 
  3. "BD-17 6422 -- Spectroscopic binary", SIMBAD Astronomical Object Database (Centre de Données astronomiques de Strasbourg), retrieved 2012-07-16. 
  4. Strohmeier, W. et al. (1965). "Bright Southern BV-Stars". Information Bulletin On Variable Stars 81. Bibcode:1965IBVS...81....1S. 
  5. Strohmeier, W. (1966). "BV 449 and BV 600, Two Bright EB-Stars". Information Bulletin On Variable Stars 164. Bibcode:1966IBVS..164....1S. 

External links


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