UCAC2 星表(2006年)

国家地球系统科学数据共享服务平台-UCAC2 星表(2006年)

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contributed at 2019-05-10

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,数据质量控制一般采用天文学的专用方法进行控制,比如仪器参数、观测环境参数、信噪比等。另外,数据的使用者也会不定期的反馈数据质量的问题,根据这些反馈,数据处理程序会不断优化,以提高数据质量。 经过上述的质量控制后,数据质量得到提高,数据质量得到提高,数据精度保持国际先进水平。,The UCAC2 is the second release of the ongoing UCAC project, designed to observe the entire sky for R magnitudes of about 7.5 to 16. The observed positional errors are about 20 mas for the stars in the 10-14 magnitude range, and about 70 mas at the limiting magnitude of R∼16. For up-to-date information on the project, see the UCAC web page at http://ad.usno.navy.mil/ucac/ .
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open data (2019). UCAC2 星表(2006年), Data Item, OpenGMS, https://geomodeling.njnu.edu.cn/dataItem/5cd4d35f1d62b4ebc8530622
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