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Operation of the astronomical monitoring stations at Mt. Wumingshan
Liu Y(刘煜)1,2; Li XB(李小波)1; Zhang XF(张雪飞)1; Song TF(宋腾飞)1; Wang JX(王晶星)1; Zhao MY(赵明宇)1; Xia, Lidong2; Song, Qiwu3
Source PublicationProceedings of SPIE - Observatory Operations: Strategies, Processes, and Systems VII
2018
Volume10704
DOI10.1117/12.2309831
Author of SourcePeck, AB; Seaman, RL; Benn, CR
Contribution Rank第1完成单位
Indexed ByEI ; CPCI
Conference NameConference on Observatory Operations - Strategies, Processes, and Systems VII
Conference Date2018-06-11
Conference PlaceAustin, TX, United states
Conference SponsorSPIE; 4D Technol; Andor Technol Ltd; Astron Consultants & Equipment, Inc; Giant Magellan Telescope; GPixel, Inc; Harris Corp; Mater Corp; Optimax Syst, Inc; Princeton Infrared Technologies; Symetrie; Teledyne Technologies Inc; Thirty Meter Telescope
KeywordSite Survey Mt. Wumingshan S-dimm Monitoring Station Operation Large Telescopes
Abstract

The Wumingshan mountain (Mt. WMS), located in the Grand Shangri-La area of south-west China, has been selected as one of the most potential regions for hosting China’s next-generation ground-based large telescopes. Firstly, Mt. WMS has ideal astronomical conditions for both day-time and night-time observations. Comprehensive analysis of remote and on-site long-term meteorological, geological and geographic data suggests that WMS satisfies the strict requirements for an excellent candidate site, through a series of key parameters including average seeing factor r0, sky brightness, clear-sky days, precipitable water vapor content (PWVC), refractive index structure constant, atmospheric coherence time, isoplanatic angle and meteorological information etc. Averagely, its daily seeing factor is over 10 cm and its night seeing factor is 0.9 arcsec on ground. The average wind speed is less than 5 m/s. The average normalized PWVC at unit air mass is about 2.5 mm. The average yearly sunshine duration is generally more than 2500 hours. The amount of yearly clear sky days and nights are respectively 250 d and 270 d. The median night sky brightness level is 21.8 mag arcsec-2. The atmosphere cleanliness is also excellent. Secondly, Mt. WMS possesses the necessary conditions for the establishment of high altitude observatories. Its ridge is flat and spreads over 2 km2. The large relative elevation difference in the local terrain, plus the existence of population settlements at low altitude (~ 2800 m) in the vicinity, substantially reduces the future cost for construction, settlement, and logistics. Its geological structure is stable, and there is virtually no record of geological disaster or inclement weather. The nearby counties have low population density (~5 km-2) and there have been extensive transportation networks. In October 2014, we initiated a long-term monitoring project in Mt. WMS. We have been collecting data from two monitoring sites for more than three years. Both sites are located about 4700~4800 m above the sea level. Our instruments mainly include the solar and stellar Differential Image Motion Monitors, the Sky Brightness Monitors, the PWVC monitors, the Atmospheric Temperature Fluctuation Monitors, the Multi-wavelength Solar Photometers and robot meterological stations, and so on. There have been a lot of activities within the ASO-G (i.e., CGST and large coronagraph) sites’ study since our last reports.1, 2 In this paper, we introduce the daily observation, transmission, storage and analysis of the harvested data, and the overall operation, management and technical support of the monitoring platforms.

Funding ProjectSpecialized Research Fund for Shandong Provincial Key Laboratory ; National Scientific Foundation of China (NSFC)[11533009] ; National Scientific Foundation of China (NSFC)[11503084]
Language英语
Subject Area天文学 ; 天文学其他学科
MOST Discipline Catalogue理学 ; 理学::天文学
SubtypeProceedings Paper
PublisherSPIE-INT SOC OPTICAL ENGINEERING
Publication Place1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
ISBN978-1-5106-1962-3
ISSN0277-786X
URL查看原文
WOS IDWOS:000452635900065
WOS Research AreaEngineering ; Remote Sensing ; Optics ; Imaging Science & Photographic Technology
WOS SubjectEngineering, Aerospace ; Remote Sensing ; Optics ; Imaging Science & Photographic Technology
EI Accession Number20183105647001
EI KeywordsInformation Management
EI Classification Number443.1atmospheric Properties - 471.1oceanography, General - 481.1geology - 722.1data Storage, Equipment And Techniques - 741.1light/optics - 922.2mathematical Statistics
Citation statistics
Document Type会议论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/12415
Collection选址与日冕观测组
Corresponding AuthorLiu Y(刘煜)
Affiliation1.Yunnan Observatories, Chinese Academy of Sciences, Kunming; 650216, China
2.Shandong Provincial Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment, Shandong University, Weihai; 264209, China
3.Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing; 210008, China
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Corresponding Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Liu Y,Li XB,Zhang XF,et al. Operation of the astronomical monitoring stations at Mt. Wumingshan[C]//Peck, AB; Seaman, RL; Benn, CR. 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA:SPIE-INT SOC OPTICAL ENGINEERING,2018.
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