国家天文台兴隆观测站60厘米望远镜上的CMOS天文测试
Astronomical Test with CMOS on the 60-cm Telescope at the Xinglong Observatory, NAOC
AI总结：
本研究评估了由CMOS探测器、60厘米望远镜和滤光片组成的观测系统，通过多种天体观测验证了其测光精度达0.02星等、较差测光精度达0.004星等，消光系数与历史数据一致，证明该系统具备光学波段精密科学观测能力。
摘要：
本工作展示了对一个由CMOS探测器、60厘米望远镜和滤光片组合构成的观测系统的评估细节。通过超平场、疏散星团、标准星和系外行星的观测，评估了系统的测光精度、较差测光精度以及消光系数。测光精度达到了0.02星等水平，较差测光精度为0.004星等。消光结果与兴隆观测站先前的研究一致。最终，结果表明该观测系统具备在光学波段进行CCD级精密科学观测的能力。
英文摘要：
This work shows details of an evaluation of an observational system comprising a CMOS detector, 60-cm telescope, and filter complement. The system's photometric precision and differential photometric precision, and extinction coefficients were assessed through observations of Supersky flat fields, open clusters, standard stars, and exoplanets. Photometry was precision achieved at the 0.02 mag level, while differential photometry of 0.004 mag precision. Extinction was found to be agreed with previous studies conducted at Xinglong Observatory. Ultimately, the results demonstrate this observing system is capable of precision scientific observations with CCD across the optical wavelengths.
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