https://arolstar52-zhtest.hf.space/index.php?action=history&feed=atom&title=HD_195019_b HD 195019 b - 版本历史 2026-07-19T19:58:35Z 本wiki上该页面的版本历史 MediaWiki 1.43.9 https://arolstar52-zhtest.hf.space/index.php?title=HD_195019_b&diff=1986225&oldid=prev imported>InternetArchiveBot：​补救3个来源，并将0个来源标记为失效。) #IABot (v2.0.8 2021-02-06T12:01:37Z <p>补救3个来源，并将0个来源标记为失效。) #IABot (v2.0.8</p> <p><b>新页面</b></p><div>{{Planetbox begin <br /> | name = HD 195019 b<br /> }}<br /> {{Planetbox star<br /> | star = [[HD 195019]]<br /> | constell = [[海豚座]]<br /> | RA = {{RA|20|28|18.6363}}<br /> | DEC = {{DEC|+18|46|10.188}}<br /> | appmag_v = 6.91<br /> | dist_ly = 65<br /> | dist_pc = 20<br /> | class = G3IV-V<br /> }}<br /> {{Planetbox orbit <br /> | semimajor = 0.1388 ± 0.008<br /> | semimajor_gm = 20.76<br /> | periastron = 0.1369<br /> | periastron_gm = 20.48<br /> | apastron = 0.1407<br /> | apastron_gm = 21.05<br /> | eccentricity = 0.014 ± 0.0044<br /> | period = 18.20163 ± 0.0004<br /> | period_year = 0.4983248<br /> | speed = 83.24<br /> | arg_peri = 322 ± 20<br /> | t_peri = 2,411,015 ± 1.2<br /> | semi-amp = 272.3 ±1.4<br /> }}<br /> {{Planetbox character <br /> | minimum_mass = 3.7<br /> | minimum_mass_earth = 1200<br /> }} <br /> {{Planetbox discovery <br /> | discovery_date = 1998年<br /> | discoverers = [[黛布拉·費希爾]]等人<br /> | discovery_site={{USA}}[[加利福尼亞州]]&lt;BR&gt;[[利克天文台]]<br /> | discovery_method = [[都卜勒光譜學]]<br /> | discovery_status=已發表論文<br /> }}<br /> {{Planetbox reference<br /> | star = HD+195019<br /> | planet = b<br /> }}<br /> {{Planetbox end}}<br /> <br /> &#039;&#039;&#039;HD 195019 b&#039;&#039;&#039;是一顆位於海豚座的系外行星，母恆星是聯星系統[[HD 195019]]中的A星，質量下限是3.7倍木星質量。和其他極為接近母恆星的行星類似的是，它的軌道接近圓形，軌道離心率甚至低於地球。它的公轉週期是437小時，平均軌道速度83.24 km/s。<br /> <br /> ==參考資料==<br /> *{{cite journal | url=http://www.journals.uchicago.edu/doi/full/10.1086/316304 | author=Fischer &#039;&#039;et al.&#039;&#039; | title=Planetary Companions around Two Solar-Type Stars: HD 195019 and HD 217107 | journal=[[Publications of the Astronomical Society of the Pacific]] | year=1999 | volume=111 | issue=755 | pages=50–56 | doi=10.1086/316304 | last2=Marcy | first2=Geoffrey W. | last3=Butler | first3=R. Paul | last4=Vogt | first4=Steven S. | last5=Apps | first5=Kevin | bibcode=1999PASP..111...50F | arxiv=astro-ph/9810420 | access-date=2012-11-18 | archive-date=2019-12-07 | archive-url=https://web.archive.org/web/20191207151051/http://www.journals.uchicago.edu/doi/full/10.1086/316304 | dead-url=no }}<br /> <br /> == 外部連結 ==<br /> * {{cite web | url=http://media4.obspm.fr/exoplanets/base/etoile.php?nom=HD+195019 | title=HD 195019 | work=Exoplanets | access-date=2012-11-18 | archive-url=https://web.archive.org/web/20091125025333/http://media4.obspm.fr/exoplanets/base/etoile.php?nom=HD+195019 | archive-date=2009-11-25 | dead-url=yes }}<br /> * {{cite web | url=http://www.extrasolar.net/planettour.asp?StarCatId=normal&amp;PlanetId=18 | title=HD 195019 b | work=Extrasolar Visions | deadurl=yes | archiveurl=https://web.archive.org/web/20110605104811/http://www.extrasolar.net/planettour.asp?StarCatId=normal&amp;PlanetId=18 | archivedate=2011-06-05 | accessdate=2012-11-18 }}<br /> {{Sky|20|28|18.6363|+|18|46|10.188|65}}<br /> <br /> [[Category:1998年發現的系外行星]]<br /> [[Category:類木行星]]<br /> [[Category:海豚座]]<br /> [[Category:徑向速度法發現的系外行星]]<br /> <br /> <br /> {{extrasolar-planet-stub}}</div> imported>InternetArchiveBot