| IRAF软件中DAOPHOT包的应用 |
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| 引用本文： | 张艳,林众,郭迪福.IRAF软件中DAOPHOT包的应用[J].天文研究与技术,2011(4). |
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| 作者姓名： | 张艳 林众 郭迪福 |
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| 作者单位： | 暨南大学计算机科学系;暨南大学中法天体测量、动力学与空间科学联合实验室;广东省高等学校光电信息与传感技术重点实验室(暨南大学);山东大学威海分校空间科学与物理学院; |
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| 基金项目： | 国家自然科学基金(10973007); 中央高校基本科研业务费专项基金资助 |
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| 摘 要： | 为了检验威海天文台1 m望远镜的测光精度,2009年10月7日晚用该望远镜观测了M39星团,并对观测数据进行测光归算。由于M39星团中个别星较密集,使用IRAF中的DAOPHOT包进行星像测光。详细介绍了IRAF软件中的DAOPHOT包及其使用。数据归算结果表明,在UCAC3星表中匹配到的星,稀疏区域亮星的星等内部精度达到0.003mag,较密集区域的暗星内部精度约为0.012 8 mag。
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| 关 键 词： | IRAF DAOPHOT 测光 |
An Application of the DAOPHOT Package in the IRAF |
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| Zhang Yan,,Lin Zhong,Guo Difu.An Application of the DAOPHOT Package in the IRAF[J].Astronomical Research & Technology,2011(4). |
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| Authors: | Zhang Yan Lin Zhong Guo Difu |
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| Institution: | Zhang Yan1,2,4,Lin Zhong1,Guo Difu3(1.Department of Computer Science,Jinan University,Guangzhou 510632,China2.Sino-France Joint Laboratory for Astrometry,Dynamics and Space Science,China,3.College of Space Science and Physics,Shandong University at Weihai,Weihai 264209,4.Key Laboratory of Optoelectronic Information and Sensor Technologies of Guangdong Higher Educational Institutes,China) |
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| Abstract: | In order to evaluate the photometric precision of the 1 m telescope of the Weihai observatory,we carried out a test in which the open cluster M39 was observed in October 7,2009.As several stars are particularly crowded in M39,we used the DAOPHOT package in the IRAF to measure their luminosities and directions.This paper describes how to use the DAOPHOT package in detail.The results show that for the stars successfully matched to the UCAC3 catalog,the photometry of bright stars has an internal precision of 0... |
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| Keywords: | IRAF DAOPHOT Photometry |
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