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Alternative TitlePhotometric Accuracies of the YNAO 1.2m Telescope
黄凯1,2; 周钰1; 翟东升1; 李荣旺1
Source Publication天文研究与技术
ClassificationP111.2 ; P141.2
Contribution Rank第1完成单位
Indexed ByCSCD
KeywordCcd测光 大气消光 仪器转换系数

利用云南天文台1.2 m望远镜多色测光系统,选取一批Landolt标准星,利用较差测量的方法对该系统进行了大气消光系数和仪器转换系数的测定,分析了这套新的测光系统的性能。计算结果表明本系统与Johnson标准测光系统非常接近。同时也对该系统的测光精度进行了测定,在标准测光夜下测量亮于13.5等的星时,其V波段测光精度可达到0.041星等。

Other Abstract

This paper studies the photometric accuracies of the YNAO 1.2m telescope. The equations to transform observed magnitudes to the standard system are established by observing a set of Landolt standard stars. The relations between transformed magnitudes and standard magnitudes are also discussed. Our results show that the photometric system of the 1. 2m telescope is very close to the standard Johnson system. The paper finally lists the photometric precisions. The results indicate that the measurement precision of the V band is 0.041 mag for objects brighter than 13.5 mag under photometric conditions.

Funding Project云南省自然科学基金[2011FB114]
Funding Organization云南省自然科学基金[2011FB114]
Subject Area天文学其他学科
MOST Discipline Catalogue理学 ; 理学::天文学
Archive Date2013-07-23
Citation statistics
Document Type期刊论文
Affiliation1.中国科学院云南天文台, 云南, 昆明, 650011
2.中国科学院研究生院, 北京, 100049
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
黄凯,周钰,翟东升,等. 云南天文台1.2米望远镜测光性能研究[J]. 天文研究与技术,2013,10(1):55-61.
APA 黄凯,周钰,翟东升,&李荣旺.(2013).云南天文台1.2米望远镜测光性能研究.天文研究与技术,10(1),55-61.
MLA 黄凯,et al."云南天文台1.2米望远镜测光性能研究".天文研究与技术 10.1(2013):55-61.
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