The Lyman-alpha Solar Telescope(LST) for the ASO-S mission——Ⅱ. design of LST

查看全文 作　　者：Bo [1,2]Chen;Hui [3,4]Li;Ke-Fei [1]Song;Quan-Feng [1]Guo;Pei-Jie [1]Zhang;Ling-Ping [1,2]He;Shuang [1]Dai;Xiao-Dong [1]Wang;Hai-Feng [1]Wang;Chun-Long [1]Liu;Hong-Ji [1]Zhang;Guang [1]Zhang;Yunqi [1]Wang;Shi-Jie [1,2]Liu;Hong-Xin [1]Zhang;Lei [1]Liu;Shi-Lei [1]Mao;Yang [1]Liu;Jia-Hao [1]Peng;Peng [1]Wang;Liang [1]Sun;Yang [1]Liu;Zhen-Wei [1]Han;Yan-Long [1]Wang;Kun [1]Wu;Guang-Xing [1]Ding;Peng [1]Zhou;Xin [1]Zheng;Ming-Yi [1]Xia;Qing-Wen [1]Wu;Jin-Jiang [1]Xie;Ya [1]Chen;Shu-Mei [1]Song;Hong [5]Wang;Bo [5]Zhu;Chang-Bo [5]Chu;Wen-Gang [5]Yang;Li [3,4]Feng;Yu [3,4]Huang;Wei-Qun [3,4]Gan;Ying [3,4]Li;Jing-Wei [3,4]Li;Lei [3,4]Lu;Jian-Chao [3,4]Xue;Bei-Li [3,4]Ying;Ming-Zhe [6]Sun;Cheng [7]Zhu;Wei-Min [7]Bao;Lei [7]Deng;Zeng-Shan [7]Yin

机构地区：[1]Changchun Institute of Optics,FineMechanics and Physics,Chinese Academy of Sciences,Changchun 130033,China;[2]State Key Laboratory of Applied Optics,Changchun 130033,China;[3]Key Laboratory of Dark Matter and Space Astronomy,Purple Mountain Observatory,Chinese Academy of Sciences,Nanjing 210034,China;[4]School of Astronomy and Space Science,University of Science and Technology of China,Hefei 230026,China;[5]Xi’an Institute of Optics and Precision Mechanics,Chinese Academy of Sciences,Xi’an 710119,China;[6]Shandong University,Weihai 264209,China;[7]Innovation Academy for Microsatellites,Chinese Academy of Sciences,Shanghai 201210,China

出　　处：《Research in Astronomy and Astrophysics》索引2019年第19卷第11期,共16页

基　　金：supported by Chinese Academy of Sciences (CAS);supported by the National Natural Science Foundation of China (Grant Nos. 11427803, U1731241, U1731114 and U1531106);the CAS Strategic Pioneer Program on Space Science (Grant Nos. XDA04076100, XDA15052200, XDA15320103 and XDA15320301) 摘　　要：As one of the three payloads for the Advanced Space-based Solar Observatory(ASO-S)mission,the Lyman-alpha(Lyα)Solar Telescope(LST)is composed of three instruments:a Solar Corona Imager(SCI),a LyαSolar Disk Imager(SDI)and a full-disk White-light Solar Telescope(WST).When working in-orbit,LST will simultaneously perform high-resolution imaging observations of all regions from the solar disk to the inner corona up to 2.5 R⊙(R⊙stands for the mean solar radius)with a spatial resolution of 4.8′′and 1.2′′for coronal and disk observations,respectively,and a temporal resolution of 30–120 s and 1–120 s for coronal and disk observations,respectively.The maximum exposure time can be up to20 s due to precise pointing and image stabilization function.Among the three telescopes of LST,SCI is a dual-waveband coronagraph simultaneously and independently observing the inner corona in the HI Lyα(121.6±10 nm)line and white light(WL)(700±40 nm)wavebands by using a narrowband Lyαbeam splitter and has a field of view(FOV)from 1.1 to 2.5 R⊙.The stray-light suppression level can attain<10^-6 B⊙(B⊙is the mean brightness of the solar disk)at 1.1 R⊙and≤5×10^-8 B⊙at 2.5 R⊙.SDI and WST are solar disk imagers working in the Lyαline and 360.0 nm wavebands,respectively,which adopt an off-axis two-mirror reflective structure with an FOV up to 1.2 R⊙,covering the inner coronal edge area and relating to coronal imaging.We present the up-to-date design for the LST payload. 关键词：telescopes—instrumentation high angular resolution—Sun flares—Sun CORONAL mass ejections(CMEs)—Sun UV radiation

相关文献

参考文献（18）
引证文献（8）
耦合文献（0）

参考文献(18)

引证文献(8)

互联网出版许可证新出网证(渝)字10号全国400电话 - 免长途话费

The Lyman-alpha Solar Telescope(LST) for the ASO-S mission——Ⅱ. design of LST

参考文献(18)

引证文献(8)

用户提示