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Open Access Articles- Top Results for 14 Aquarii

14 Aquarii

HD 202466
Observation data
Epoch J2000      Equinox J2000
Constellation Aquarius
Right ascension 21h 16m 17.77598s[1]
Declination −09° 12′ 52.7669″[1]
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This page is a soft redirect. Apparent magnitude (V)

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This page is a soft redirect. 6.46[2]

Characteristics
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This page is a soft redirect. Spectral type

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This page is a soft redirect. M4III:[3]

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This page is a soft redirect. B−V color index

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This page is a soft redirect. 1.57[2]

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This page is a soft redirect. Variable type

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This page is a soft redirect. Semiregular[3] <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>8.00[4] km/s</td></tr><tr style="vertical-align:top;"><td>Proper motion (μ)</td><td> RA: -6.56[1] mas/yr
Dec.: +2.87[1] mas/yr </td></tr><tr style="vertical-align:top;"><td>Parallax (π)</td><td>1.97 ± 0.42[1] mas</td></tr><tr style="vertical-align:top;"><td>Distance</td><td>approx. 1,700 ly
(approx. 500 pc)</td></tr><tr style="vertical-align:top;"><td>Absolute magnitude (MV)</td><td>-2.3[3]</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>Mass</td><td>2.9[3] M</td></tr><tr style="vertical-align:baseline;"><td>Radius</td><td>179[3] R</td></tr><tr style="vertical-align:baseline;"><td>Temperature</td><td>3,700[3] K</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">
IW Aquarii, 14 Aquarii, BD-09 5700, HD 202466, HIP 105019,SAO 145251.
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<tr><th style="background-color: #FFFFC0; text-align: center;" colspan="2">Database references</th></tr><tr style="vertical-align: top;"><td>SIMBAD</td><td>data</tr>

14 Aquarii (IW Aquarii or HD 202466) is red giant star. It is a semiregular variable with an amplitude of less than a tenth of a magnitude, and shows variations on a timescale of just one day.[3]

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 Høg, E.; Fabricius, C.; Makarov, V. V.; Urban, S.; Corbin, T.; Wycoff, G.; Bastian, U.; Schwekendiek, P.; Wicenec, A. (2000). "The Tycho-2 catalogue of the 2.5 million brightest stars". Astronomy and Astrophysics 355: L27. Bibcode:2000A&A...355L..27H. 
  3. 3.0 3.1 3.2 3.3 3.4 3.5 3.6 Koen, Chris; Laney, Dave (2000). "Rapidly oscillating M giant stars?". Monthly Notices of the Royal Astronomical Society 311 (3): 636. Bibcode:2000MNRAS.311..636K. doi:10.1046/j.1365-8711.2000.03127.x. 
  4. Kharchenko, N. V.; Scholz, R.-D.; Piskunov, A. E.; Röser, S.; Schilbach, E. (2007). "Astrophysical supplements to the ASCC-2.5: Ia. Radial velocities of ˜55000 stars and mean radial velocities of 516 Galactic open clusters and associations". Astronomische Nachrichten 328 (9): 889. Bibcode:2007AN....328..889K. doi:10.1002/asna.200710776. 

External links

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