YNAO OpenIR  > 选址与日冕观测组
Conditions for Coronal Observations at the Lijiang Observatory in 2011
Zhao MY(赵明宇)1,2; Liu Y(刘煜)1,2,3; Elmhamdi, A.3; Kordi, A. S.3; Zhang XF(张雪飞)1,2; Song TF(宋腾飞)1,2,4; Tian ZJ(田占军)1; Zhao, M. Y.(Chinese Acad Sci, Yunnan Observ, Kunming 650011, Yunnan, Peoples R China)
2018
发表期刊SOLAR PHYSICS
ISSN0038-0938
卷号293期号:1
产权排序第1完成单位
摘要The sky brightness is a critical parameter for estimating the coronal observation conditions for a solar observatory. As part of a site-survey project in Western China, we measured the sky brightness continuously at the Lijiang Observatory in Yunnan province in 2011. A sky brightness monitor (SBM) was adopted to measure the sky brightness in a region extending from 4.5 to 7.0 apparent solar radii based on the experience of the Daniel K. Inouye Solar Telescope (DKIST) site survey. Every month, the data were collected manually for at least one week. We collected statistics of the sky brightness at four bandpasses located at 450, 530, 890, and 940 nm. The results indicate that aerosol scattering is of great importance for the diurnal variation of the sky brightness. For most of the year, the sky brightness remains under 20 millionths per airmass before local Noon. On average, the sky brightness is less than 20 millionths, which accounts for 40.41% of the total observing time on a clear day. The best observation time is from 9: 00 to 13: 00 (Beijing time). The Lijiang Observatory is therefore suitable for coronagraphs investigating the structures and dynamics of the corona.
关键词Atmospheric Effects Methods: Data Analysis Site Testing Telescope Surveys Sun: General
学科领域天文学
DOI10.1007/s11207-017-1223-z
项目资助者NSFC(11078004, 11533009, 11503084, 11603074) ; Key Laboratory of Geospace Environment, CAS, University of Science & Technology of China ; Huairou Solar Observing Station, National Astronomical Observatories Chinese Academy of Sciences
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收录类别SCI
语种英语
文章类型Article
WOS研究方向Astronomy & Astrophysics
WOS标题词Science & Technology ; Physical Sciences
WOS类目Astronomy & Astrophysics
WOS记录号WOS:000423067600005
关键词[WOS]SKY BRIGHTNESS MONITOR ; NORIKURA ; PHASE
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/12200
专题选址与日冕观测组
通讯作者Zhao, M. Y.(Chinese Acad Sci, Yunnan Observ, Kunming 650011, Yunnan, Peoples R China)
作者单位1.Yunnan Observatories, Chinese Academy of Sciences, Kunming 650011, China
2.Key Laboratory of Geospace Environment, Chinese Academy of Sciences, University of Science & Technology of China, Hefei 230026, China
3.Department of Physics and Astronomy, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
4.Chongqing University College of Optoelectronic Engineering, Chongqing 400044, China
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GB/T 7714
Zhao MY,Liu Y,Elmhamdi, A.,et al. Conditions for Coronal Observations at the Lijiang Observatory in 2011[J]. SOLAR PHYSICS,2018,293(1).
APA Zhao MY.,Liu Y.,Elmhamdi, A..,Kordi, A. S..,Zhang XF.,...&Zhao, M. Y..(2018).Conditions for Coronal Observations at the Lijiang Observatory in 2011.SOLAR PHYSICS,293(1).
MLA Zhao MY,et al."Conditions for Coronal Observations at the Lijiang Observatory in 2011".SOLAR PHYSICS 293.1(2018).
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