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103 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>+25.1[4] km/s</td></tr><tr style="vertical-align:top;"><td>Proper motion (μ)</td><td> RA: –41.25[1] mas/yr
Dec.: –71.85[1] mas/yr </td></tr><tr style="vertical-align:top;"><td>Parallax (π)</td><td>4.31 ± 0.31[1]mas</td></tr><tr style="vertical-align:top;"><td>Distance</td><td>760 ± 50 ly
(230 ± 20 pc)</td></tr><tr><th colspan="2" style="text-align: center"></th></tr> <tr><th style="background-color: #FFFFC0; text-align: center;" colspan="2">Details</th></tr></th></tr><tr><th colspan="2" style="text-align: center"></th></tr><tr style="vertical-align:baseline;"><td>Surface gravity (log g)</td><td>1.59[5] cgs</td></tr><tr style="vertical-align:baseline;"><td>Temperature</td><td>3,910[5] K</td></tr><tr style="vertical-align:baseline;"><td>Metallicity [Fe/H]</td><td>–0.18[5] dex</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">
103 Aqr, A1 Aquarii,[6] BD−18 6357, HD 222547, HIP 116889, HR 8980, SAO 165834.[7]
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103 Aquarii
Observation data
Epoch J2000.0 (ICRS)      Equinox J2000.0 (ICRS)
Constellation Aquarius
Right ascension 23h 41m 34.48853s[1]
Declination −18° 01′ 37.4731″[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. +1.57[2]

103 Aquarii is the Flamsteed designation for a star in the equatorial constellation of Aquarius. It is faint but visible to the naked eye with an apparent visual magnitude of 5.34.[2] Based upon an annual parallax shift of 4.31 milliarcseconds, the distance to this star is around Script error: No such module "convert"..[1] This is classified as an evolved K-type giant star.[3]

References

  1. ^ a b c d e f 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. ^ a b c Corben, P. M.; Stoy, R. H. (1968), "Photoelectric Magnitudes and Colours for Bright Southern Stars", Monthly Notes of the Astronomical Society of Southern Africa 27: 11, Bibcode:1968MNSSA..27...11C. 
  3. ^ a b Houk, Nancy; Smith-Moore, M. (1978), "Michigan catalogue of two-dimensional spectral types for the HD stars", Michigan Catalogue of Two-dimensional Spectral Types for the HD Stars. Volume 4 (Ann Arbor: Dept. of Astronomy, University of Michigan) 4, Bibcode:1988mcts.book.....H. 
  4. ^ Wilson, R. E. (1953), "General Catalogue of Stellar Radial Velocities", Washington (Carnegie Institute of Washington, D.C.): 0, Bibcode:1953GCRV..C......0W. 
  5. ^ a b c McWilliam, Andrew (December 1990). "High-resolution spectroscopic survey of 671 GK giants". Astrophysical Journal Supplement Series 74: 1075–1128. Bibcode:1990ApJS...74.1075M. doi:10.1086/191527. 
  6. ^ HD 222547, database record, HD-DM-GC-HR-HIP-Bayer-Flamsteed Cross Index, N. D. Kostjuk, Institute of Astronomy of Russian Academy of Sciences, 2002; CDS ID IV/27A.
  7. ^ "103 Aqr -- Star", SIMBAD Astronomical Object Database (Centre de Données astronomiques de Strasbourg), retrieved 2012-07-16 

External links

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