首页|The Impact of Bias Row Noise to Photometric Accuracy:Case Study Based on a Scientific CMOS Detector

The Impact of Bias Row Noise to Photometric Accuracy:Case Study Based on a Scientific CMOS Detector

扫码查看
原文链接
  • 万方数据
  • 维普
We tested a new model of CMOS detector manufactured by the Gpixel Inc,for potential space astronomical application.In laboratory,we obtain some bias images under the typical application environment.In these bias images,clear random row noise pattem is observed.The row noise also contains some characteristic spatial frequencies.We quantitatively estimated the impact of this feature to photometric measurements,by making simulated images.We compared different bias noise types under strict parameter control.The result shows the row noise will significantly deteriorate the photometric accuracy.It effectively increases the readout noise by a factor of 2-10.However,if it is properly removed,the image quality and photometric accuracy will be significantly improved.

instrumentation:detectorsmethods:statisticaltechniques:image processing

Li Shao、Hu Zhan、Chao Liu、Haonan Chi、Qiuyan Luo、Huaipu Mu、Wenzhong Shi

展开 >

National Astronomical Observatories,Chinese Academy of Sciences,Beijing 100101,China

Kavli Institute for Astronomy and Astrophysics,Peking University,Beijing 100871,China

University of Chinese Academy of Sciences,Beijing 100049,China

Institute for Frontier in Astronomy and Astrophysics,Beijing Normal University,Beijing 100875,China

展开 >

国家重点研发计划key project of the Telescope Access Program(TAP)National Astronomical Observatories,the Chinese Academy of Sciences(the Strategic Priority Research Program)Special Fund for Astronomy from the Ministry of FinanceExternal Cooperation Program of Chinese Academy of Sciences国家自然科学基金国家自然科学基金project of the Jet Propulsion Laboratory/California Institute of TechnologyNational Aeronautics and Space AdministrationDirector,Office of Science,Office of High Energy Physics of the U.S.Department of EnergyNational Energy Research Scientific Computing CenterDOE Office of Science User FacilityU.S.National Science Foundation,Division of Astronomical Sciences

2022YFF0503400XDB09000000114A11KYSB201600571212010100311433005DE-AC02-05CH1123AST-0950945

2024

10.1088/1674-4527/ad1793

天文和天体物理学研究
中国科学院国家天文台

天文和天体物理学研究

CSTPCD
影响因子：0.406
ISSN：1674-4527
年,卷(期)：2024.24(2)
  • 52