https://arolstar52-zhtest.hf.space/index.php?action=history&feed=atom&title=B1950.0 2026-07-18T12:31:46Z 本wiki上该页面的版本历史 MediaWiki 1.43.9 https://arolstar52-zhtest.hf.space/index.php?title=B1950.0&diff=41542&oldid=prev 2023-01-18T12:11:52Z

<p>补救2个来源，并将0个来源标记为失效。) #IABot (v2.0.9.3</p> <p><b>新页面</b></p><div>&#039;&#039;&#039;B1950.0&#039;&#039;&#039;[[纪元 (天文学)|纪元]]使用在[[天文学]]上。<br /> <br /> 因为恒星的[[赤经]]和[[赤纬]]会因[[岁差]]的原因而改变，天文学家经常指定某一特定的纪元作为参考点。B1950.0标准已经被继任标准[[J2000.0]]纪元所取代，J2000.0是现在使用的纪元标准。<br /> <br /> 前缀&quot;B&quot;代表这是一个[[贝塞耳纪元]]，而非[[儒略纪元]]。<br /> <br /> == 参考 ==<br /> *{{Cite journal |last=Aoki |first=S. |last2=Soma |first2=M. |last3=Kinoshita |first3=H. |last4=Inoue |first4=K. |date=1983-12-01 |title=Conversion matrix of epoch B 1950.0 FK4-based positions of stars to epoch J 2000.0 positions in accordance with the new IAU resolutions |url=https://ui.adsabs.harvard.edu/abs/1983A%26A...128..263A |journal=Astronomy and Astrophysics |volume=128 |issn=0004-6361 |bibcode=1983A&amp;A...128..263A |access-date=2023-01-18 |archive-date=2022-10-03 |archive-url=https://web.archive.org/web/20221003114029/https://ui.adsabs.harvard.edu/abs/1983A%26A...128..263A |dead-url=no }}<br /> *{{Cite journal |last=Standish |first=E. M., Jr. |date=1982-11-01 |title=Conversion of positions and proper motions from B1950.0 to the IAU system at J2000.0 |url=https://ui.adsabs.harvard.edu/abs/1982A%26A...115...20S |journal=Astronomy and Astrophysics |volume=115 |issn=0004-6361 |bibcode=1982A&amp;A...115...20S |access-date=2023-01-18 |archive-date=2022-11-13 |archive-url=https://web.archive.org/web/20221113234250/https://ui.adsabs.harvard.edu/abs/1982A%26A...115...20S |dead-url=no }}<br /> {{Standard-stub}}<br /> [[Category:曆法]]<br /> [[Category:天球坐标系统]]</div>

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