PMO OpenIR  > 空间目标与碎片观测研究基地
An improved astrometric calibration technique for space debris observation
Sun, Rong-Yu1,2; Zhao, Chang-Yin1,2; Lu, Yao1,2,3
2016-02-01
Source PublicationRESEARCH IN ASTRONOMY AND ASTROPHYSICS
Volume16Issue:2
AbstractAn optical survey is the main technique for detecting space debris. Due to the specific characteristics of observation, the pointing errors and tracking errors of the telescope as well as image degradation may be significant, which make it difficult for astrometric calibration. Here we present an improved method that corrects the pointing and tracking errors, and measures the image position precisely. The pipeline is tested on a number of CCD images obtained from a 1-m telescope administered by Xinjiang Astronomical Observatory while observing a GPS satellite. The results show that the position measurement error of the background stars is around 0.1 pixel, while the time cost for a single frame is about 7.5 s; hence the reliability and accuracy of our method are demonstrated. In addition, our method shows a versatile and feasible way to perform space debris observation utilizing non-dedicated telescopes, which means more sensors could be involved and the ability to perform surveys could be improved.
KeywordTechniques: Image Processing Space Vehicles Astrometry Methods: Data Analysis
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1088/1674-4527/16/2/029
WOS KeywordOPTICAL OBSERVATIONS ; ASTRONOMICAL IMAGES ; SOURCE EXTRACTION ; GEO OBJECTS ; ALGORITHM ; RATIO
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000369252500009
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/16121
Collection空间目标与碎片观测研究基地
Affiliation1.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Jiangsu, Peoples R China
2.Chinese Acad Sci, Key Lab Space Object & Debris Observat, Nanjing 210008, Jiangsu, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Sun, Rong-Yu,Zhao, Chang-Yin,Lu, Yao. An improved astrometric calibration technique for space debris observation[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2016,16(2).
APA Sun, Rong-Yu,Zhao, Chang-Yin,&Lu, Yao.(2016).An improved astrometric calibration technique for space debris observation.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,16(2).
MLA Sun, Rong-Yu,et al."An improved astrometric calibration technique for space debris observation".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 16.2(2016).
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