Optical turbulence characterization at LAMOST site: observations and models

	Optical turbulence characterization at LAMOST site: observations and models
	Liu, L. -Y.1,2; Giordano, C.2; Yao, Y. -Q.1; Vernin, J.2; Chadid, M.2; Wang, H. -S.1; Yin, J.1 ; Wang, Y. -P.1
刊名	MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
	2015-08-11
卷号	451 期号:3 页码:3299-3308
关键词	turbulence atmospheric effects instrumentation: high angular resolution site testing
英文摘要	Atmospheric optical turbulence seriously limits the performance of high angular resolution instruments. An eight-night campaign of measurements was carried out at the Large Sky Area Multi-Object Fibre Spectroscopic Telescope (LAMOST) site in 2011, to characterize the optical turbulence. Two instruments were set up during the campaign: a differential image motion monitor (DIMM) used to measure the total atmospheric seeing, and a single star Scidar (SSS) to measure the vertical profiles of the turbulence C-n(2) (h) and the horizontal wind velocity v(h). The optical turbulence parameters are also calculated with the Weather Research and Forecasting (WRF) model coupled with the Trinquet-Vernin model, which describes optical effects of atmospheric turbulence by using the local meteorological parameters. This paper presents assessment of the optical parameters involved in high angular resolution astronomy. Its includes seeing, isoplanatic angle, coherence time, coherence etendue, vertical profiles of optical turbulence intensity C-n(2) (h) and horizontal wind speed v(h). The median seeing is respectively 1.01, 1.17 and 1.07 arcsec as measured with the DIMM, the SSS and predicted with WRF model. The history of seeing measurements at the LAMOST site is reviewed, and the turbulence measurements in this campaign are compared with other astronomical observatories in the world.
收录类别	SCI
语种	英语
WOS记录号	WOS:000360833700083
内容类型	期刊论文
源URL	[http://ir.bao.ac.cn/handle/114a11/5580]
专题	国家天文台_应用天文研究部
作者单位	1.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China 2.Univ Nice Sophia Antipolis, CNRS UMR7293, Lab Lagrange, Observ Cote dAzur, F-06108 Nice 2, France
推荐引用方式 GB/T 7714	Liu, L. -Y.,Giordano, C.,Yao, Y. -Q.,et al. Optical turbulence characterization at LAMOST site: observations and models[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2015,451(3):3299-3308.
APA	Liu, L. -Y..,Giordano, C..,Yao, Y. -Q..,Vernin, J..,Chadid, M..,...&Wang, Y. -P..(2015).Optical turbulence characterization at LAMOST site: observations and models.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,451(3),3299-3308.
MLA	Liu, L. -Y.,et al."Optical turbulence characterization at LAMOST site: observations and models".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 451.3(2015):3299-3308.