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HD 13931 - 版本历史
2026-07-20T01:49:24Z
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<p><b>新页面</b></p><div>{{Starbox begin <br />
| name = [[HD星表|HD]] 13931<br />
}}<br />
{{Starbox observe <br />
| epoch = J2000.0<br />
| constell = [[仙女座]]<br />
| ra = {{RA|02|16|47.38}} <ref name="hipparcos">{{cite web | url=http://webviz.u-strasbg.fr/viz-bin/VizieR-5?-out.add=.&-source=I/311/hip2&recno=10602 | title=HIP 10626 | work=Hipparcos, the New Reduction | author=van Leeuwen, F. | year=2007 | accessdate=2010-01-26 | archive-date=2016-03-03 | archive-url=https://web.archive.org/web/20160303210915/http://webviz.u-strasbg.fr/viz-bin/VizieR-5?-out.add=.&-source=I%2F311%2Fhip2&recno=10602 | dead-url=no }}</ref><br />
| dec = {{DEC|+43|46|22.8}} <ref name="hipparcos"/><br />
| appmag_v = 7.597<br />
}} <br />
{{Starbox character <br />
| class = G0<br />
| appmag_1_passband = B<br />
| appmag_1 = 8.237<br />
| appmag_2_passband = R<br />
| appmag_2 = 7.2<br />
| appmag_3_passband = I<br />
| appmag_3 = 6.9<br />
| appmag_4_passband = J<br />
| appmag_4 = 6.452<br />
| appmag_5_passband = H<br />
| appmag_5 = 6.234<br />
| appmag_6_passband = K<br />
| appmag_6 = 6.139<br />
| r-i = 0.3<br />
| v-r = 0.4<br />
| b-v = 0.640<br />
| u-b = <br />
| variable = none<br />
}} <br />
{{Starbox astrometry <br />
| radial_v = +33.7<br />
| prop_mo_ra = 99.03 ± 0.66 <ref name="hipparcos"/><br />
| prop_mo_dec = –183.19 ± 0.49 <ref name="hipparcos"/><br />
| parallax = 22.61<br />
| p_error = 0.66<br />
| parallax_footnote = <ref name="hipparcos"/><br />
| absmag_v = 4.306<br />
}} <br />
{{Starbox detail <br />
| mass = 1.022<br />
| radius = 1.23<br />
| gravity = 4.30<br />
| luminosity = 1.57<br />
| temperature = 5829<br />
| metal = +0.03<br />
| age_gyr = 8.4 ± 2.0<br />
| rotation = ~26 days<br />
| rotation_velocity = 2.0 ± 0.5<br />
}} <br />
{{Starbox catalog <br />
| names = [[波恩星表|BD]]+43°459, [[Giclas catalogue|G]] 173-50, [[依巴谷卫星|HIP]] 10626, [[Luyten Two-Tenths catalogue|LTT]] 10766, [[New Luyten Two-Tenths catalogue|NLTT]] 7491, [[PPM star catalog|PPM]] 44946, [[SAO星表|SAO]] 37918<br />
}}<br />
{{Starbox reference<br />
| Simbad = HD+13931<br />
| NSTED = HD+13931<br />
| EPE = HD+13931<br />
}}<br />
{{Starbox end}}<br />
<br />
'''HD 13931'''是一個視星等8等的[[恒星光谱|光譜G型]]恆星，距離地球約144光年<ref name="hipparcos"/>，位於仙女座。<br />
<br />
==概要==<br />
HD 13931的體積、質量、光度和溫度都略大於太陽：它的金屬量也比太陽高8%。<br />
<br />
==行星系統==<br />
2009年在該恆星旁發現一顆長軌道週期的[[氣體巨行星]]。<br />
<br />
{{OrbitboxPlanet begin<br />
| table_ref = <ref>{{cite journal | url=http://iopscience.iop.org/0004-637X/721/2/1467 | last1=Howard | first1=Andrew W. | title=The California Planet Survey. I. Four New Giant Exoplanets | journal=[[The Astrophysical Journal]] | volume=721 | issue=2 | pages=1467–1481 | year=2010 | doi=10.1088/0004-637X/721/2/1467 | last2=Johnson | first2=John Asher | last3=Marcy | first3=Geoffrey W. | last4=Fischer | first4=Debra A. | last5=Wright | first5=Jason T. | last6=Bernat | first6=David | last7=Henry | first7=Gregory W. | last8=Peek | first8=Kathryn M. G. | last9=Isaacson | first9=Howard | display-authors=1 | bibcode=2010ApJ...721.1467H | access-date=2012-01-27 | archive-date=2011-06-03 | archive-url=https://web.archive.org/web/20110603235949/http://iopscience.iop.org/0004-637X/721/2/1467 | dead-url=no }}([http://xxx.lanl.gov/abs/1003.3488 web Preprint])</ref><br />
}}<br />
{{OrbitboxPlanet<br />
| exoplanet = [[HD 13931 b|b]]<br />
| mass = ≥1.88 ± 0.15<br />
| period = 4218 ± 388<br />
| semimajor = 5.15 ± 0.29<br />
| eccentricity = 0.02 ± 0.05<br />
}}<br />
{{Orbitbox end}}<br />
<br />
== 參見 ==<br />
* [[HD 34445]]<br />
* [[HD 126614]]<br />
* [[HD 24496]]<br />
* [[葛利斯179b]]<br />
* [[室女座QS]]b<br />
* [[確定存在的太陽系外行星列表]]<br />
<br />
== 參考資料 ==<br />
{{reflist}}<br />
<br />
{{Sky|02|16|47.3791|+|43|46|22.784|148}}<br />
<br />
[[Category:HD和HDE天體|013931]]<br />
[[Category:HIP天體|010626]]<br />
[[Category:仙女座]]<br />
[[Category:行星系]]</div>
imported>InternetArchiveBot