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HD 197027 - 版本历史
2026-07-19T17:34:59Z
本wiki上该页面的版本历史
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imported>Jimmy-bot：机器人: 尚未清空的已重定向分类（Cat:黃矮星→Cat:G型主序星）
2024-06-25T11:32:02Z
<p>机器人: 尚未清空的已重定向分类（<a href="/index.php?title=Cat:%E9%BB%83%E7%9F%AE%E6%98%9F&action=edit&redlink=1" class="new" title="Cat:黃矮星（页面不存在）">Cat:黃矮星</a>→<a href="/index.php?title=Cat:G%E5%9E%8B%E4%B8%BB%E5%BA%8F%E6%98%9F&action=edit&redlink=1" class="new" title="Cat:G型主序星（页面不存在）">Cat:G型主序星</a>）</p>
<p><b>新页面</b></p><div>{{Starbox begin<br />
| name=HD 197027 }}<br />
{{starbox image<br />
|image = [[File:HIP 102152.jpg|250px]]<br />
|caption = HIP 102152<br />
|credit = ESO/Digitized Sky Survey 2<br />
}}<br />
{{Starbox observe<br />
| epoch=J2000<br />
| ra={{RA|20:41:45.632}}<ref name=SIMBAD/><br />
| dec={{DEC|-27:12:57.414}}<ref name=SIMBAD/><br />
| appmag_v=9.18<br />
| constell=[[摩羯座]] }}<br />
{{Starbox character<br />
| class=G3V<ref name=SIMBAD/><br />
| b-v=+0.65<ref name=SIMBAD/> }}<br />
{{Starbox astrometry<br />
| radial_v=-44.3<ref name=SIMBAD/><br />
| prop_mo_ra=+172.91<ref name=SIMBAD/><br />
| prop_mo_dec=-15.41<ref name=SIMBAD/><br />
| parallax=12.84<br />
| p_error=0.97<br />
| parallax_footnote = <ref name=SIMBAD/><br />
| absmag_v=4.72 }}<br />
{{Starbox detail<br />
| mass={{nowrap|0.97}}<ref name=apj774/><br />
| radius=<br />
| luminosity=<br />
| temperature={{nowrap|5,723 ± 547}}<ref name=apj774/><br />
| metal=[Fe/H]&nbsp;=&nbsp;-0.013<br>&nbsp;±&nbsp;0.004<ref name=apj774/><br />
| gravity={{nowrap|4.35 ± 0.023}}<ref name=apj774/><br />
| age_gyr=8.2<ref name=apj774/> }}<br />
{{Starbox catalog<br />
| names=[[依巴谷卫星|HIP]]&nbsp;102152, [[PPM星表|PPM]]&nbsp;271498, [[SAO星表|SAO]]&nbsp;189585.<ref name=SIMBAD/> }}<br />
{{Starbox reference | Simbad=HD+197027}}<br />
{{Starbox end}}<br />
<br />
'''HD 197027'''，即'''HIP 102152'''，是一顆位於[[摩羯座]]的恆星，距離地球約250光年。<br />
<br />
==概要==<br />
HD 197027的特性相當類似[[太陽]]，因此被認為是[[類太陽恆星|孿生太陽]]。組成該恆星的主要21種[[元素]]含量其他已知的類太陽恆星都更接近太陽。並且該恆星的[[有效溫度]]、[[表面重力]]和[[微湍流]]狀態都與太陽幾乎相同。不過，該恆星比太陽古老約36億年。因為HD 197027與太陽極為相似，被認為是類地球行星存在的潛在恆星。<br />
<br />
==參考資料==<br />
{{reflist|refs=<br />
<br />
<ref name=apj774>{{cite journal | title=High Precision Abundances of the Old Solar Twin HIP 102152: Insights on Li Depletion from the Oldest Sun | author=Talawanda R. Monroe | coauthors=''et al.'' | journal=Astrophysical Journal Letters | volume=774 | number=2 | pages=L32 | url=http://arxiv.org/abs/1308.5744 | date=Aug 2013 | access-date=2014-01-06 | archive-date=2020-08-05 | archive-url=https://web.archive.org/web/20200805170704/https://arxiv.org/abs/1308.5744 | dead-url=no }}</ref><br />
<br />
<ref name=SIMBAD>{{cite web | title=HD 197027 | work=SIMBAD | publisher=Centre de Données astronomiques de Strasbourg | url=http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HIP+102152&submit=SIMBAD+search | accessdate=2013-09-07 | archive-date=2015-04-02 | archive-url=https://web.archive.org/web/20150402173737/http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HIP+102152&submit=SIMBAD+search | dead-url=no }}</ref><br />
<br />
}}<br />
<br />
== 外部連結 ==<br />
*[http://www.eso.org/public/news/eso1337/ Oldest Solar Twin Identified] {{Wayback|url=http://www.eso.org/public/news/eso1337/ |date=20201112023829 }}<br />
{{Stars of Capricornus}}<br />
<br />
[[Category:摩羯座]]<br />
[[Category:類太陽恆星|HD 197027]]<br />
[[Category:G型主序星]]<br />
[[Category:HD和HDE天體|197027]]<br />
[[Category:HIP天體|102152]]<br />
[[Category:SAO天體|189585]]<br />
<br />
{{star-stub}}</div>
imported>Jimmy-bot