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题名: A performance study of the CCD cameras of the Joint Laboratory of Optical Astronomy
作者: Yao, BA; Zhang, CS; Lin, Q
刊名: CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS
出版日期: 2004-08-01
卷号: 4, 期号:4, 页码:397-410
关键词: instrumentation : detectors ; telescopes
学科分类: Astronomy & Astrophysics
文章类型: Article
英文摘要: A performance study of several CCD cameras of the Chinese Joint Laboratory of Optical Astronomy (CJLOA) is presented. The main results are: 1) We propose a modified classical method to analyse the linearity of CCD cameras. This method is more sensitive and accurate as well as more intuitive, especially in measuring around the 0.1%-0.2% range of nonlinearity. 2) To illustrate the advantage of the method, the linearity performance of the CCD cameras at CJLOA has been measured and analysed. 3) For the CCD systems tested, there is no unique formula to represent the correlation over the entire CCD frame between the deviation from linearity and the pixel value, i.e., different pixel has different correction even though their pixel values are the same. 4) For the BFOSC (BAO Faint Object Spectrograph Camera) Loral CCD camera and the Tek CCD camera at the 1.56-m reflector, blooming (bleeding) happens long before saturation, and we suspect whether it could have resulted from the charge transfer efficiency (CTE) not being high enough.
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Astronomy & Astrophysics
研究领域[WOS]: Astronomy & Astrophysics
收录类别: SCI
语种: 英语
WOS记录号: WOS:000223524200011
Citation statistics:
内容类型: 期刊论文
URI标识: http://libir.pmo.ac.cn/handle/332002/11199
Appears in Collections:熊大闰_期刊论文

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作者单位: 1.Chinese Acad Sci, Shanghai Astron Observ, Shanghai 200030, Peoples R China
2.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R China

Recommended Citation:
Yao, BA; Zhang, CS; Lin, Q.A performance study of the CCD cameras of the Joint Laboratory of Optical Astronomy,CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS,2004,4(4):397-410
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