贝塞尔日数
由恒星的岁首平位置计算其在观测瞬间的视位置所需要的一组参量。又称贝塞尔星数。它们反映出岁差、章动和周年光行差对天体坐标的影响。
Classification(s)
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Geographic semantic resource library Earth System(in Chinese) Introduction to the Earth
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| English |
|---|
| Name | Besselian day number |
| Chinese |
|---|
| Name | 贝塞尔日数 |
| Description | 由恒星的岁首平位置计算其在观测瞬间的视位置所需要的一组参量。又称贝塞尔星数。它们反映出岁差、章动和周年光行差对天体坐标的影响。 |
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NNU_Group (2011). 贝塞尔日数, Concept & Semantic, OpenGMS,
https://geomodeling.njnu.edu.cn/repository/concept/e69261ef-6826-42bf-9a87-fcfc317dd11c
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