The Lijiang 2.4 m Telescope(LJT)is one of the most important telescopes for general astronomical observations in China.Yunnan Faint Object Spectrograph and Camera(YFOSC)is a widely used instrument mounted on the LJT,w...The Lijiang 2.4 m Telescope(LJT)is one of the most important telescopes for general astronomical observations in China.Yunnan Faint Object Spectrograph and Camera(YFOSC)is a widely used instrument mounted on the LJT,which occupies for~80%of the observing time of the LJT,and thus instrument health and data quality of the YFOSC are very important for both the telescope maintenance team and users of the LJT.So we develop an automated data analysis system for the quality control(QC)of YFOSC data.This system is also a new function of the observing support of the YFOSC.Based on the system,YFOSC data can be reduced quickly as they are acquired and QC parameters are extracted.Observers can assess the quality of their data and make a possible revision of their observing plan in time.These parameters can also be used to check the health of the YFOSC,which is helpful for the telescope maintenance team to find potential problems.All of these aim at improving the productivity of the LJT.展开更多
云南暗弱天体光谱及成像仪(Yunnan Faint-Object Spectrograph and Camera,YFOSC)是一台能够快速切换工作模式,进行天文成像及光谱观测的仪器。其中长缝光谱作为该仪器的主要光谱观测模式广泛应用于点源以及面源的分光测量研究。通过测...云南暗弱天体光谱及成像仪(Yunnan Faint-Object Spectrograph and Camera,YFOSC)是一台能够快速切换工作模式,进行天文成像及光谱观测的仪器。其中长缝光谱作为该仪器的主要光谱观测模式广泛应用于点源以及面源的分光测量研究。通过测量该模式下YFOSC系统的波长响应曲线,各块光栅的波长范围,并对定标灯谱进行波长证认,同时在考虑大气吸收以及望远镜效率的情况下给出了曝光时间曲线,为观测者更好地使用该仪器提供参考。最后以近期拍摄的一条超新星光谱为例,介绍长缝光谱模式的实际观测能力。展开更多
基金supported by the National Natural Science Foundation of China(U1931131)West Light Foundation of Chinese Academy of Sciences。
文摘The Lijiang 2.4 m Telescope(LJT)is one of the most important telescopes for general astronomical observations in China.Yunnan Faint Object Spectrograph and Camera(YFOSC)is a widely used instrument mounted on the LJT,which occupies for~80%of the observing time of the LJT,and thus instrument health and data quality of the YFOSC are very important for both the telescope maintenance team and users of the LJT.So we develop an automated data analysis system for the quality control(QC)of YFOSC data.This system is also a new function of the observing support of the YFOSC.Based on the system,YFOSC data can be reduced quickly as they are acquired and QC parameters are extracted.Observers can assess the quality of their data and make a possible revision of their observing plan in time.These parameters can also be used to check the health of the YFOSC,which is helpful for the telescope maintenance team to find potential problems.All of these aim at improving the productivity of the LJT.
文摘云南暗弱天体光谱及成像仪(Yunnan Faint-Object Spectrograph and Camera,YFOSC)是一台能够快速切换工作模式,进行天文成像及光谱观测的仪器。其中长缝光谱作为该仪器的主要光谱观测模式广泛应用于点源以及面源的分光测量研究。通过测量该模式下YFOSC系统的波长响应曲线,各块光栅的波长范围,并对定标灯谱进行波长证认,同时在考虑大气吸收以及望远镜效率的情况下给出了曝光时间曲线,为观测者更好地使用该仪器提供参考。最后以近期拍摄的一条超新星光谱为例,介绍长缝光谱模式的实际观测能力。
