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Multi-aperture seeing profiler with multiple guide stars
Yang F(杨峰)1,2,3; Zhao G(赵刚)1,2; Ren DQ(任德清)1,2,3
2019-04
Source PublicationResearch in Astronomy and Astrophysics
Volume19Issue:4Pages:54-1-10
Abstract
The daytime atmospheric turbulence profile is crucial for the design of both optical systems and the control algorithm of a solar Multi-Conjugate Adaptive Optics (MCAO) system. The Multi-Aperture Seeing Profiler (MASP) is a portable instrument which can measure the daytime turbulence profile up to ∼ 30 km. It consists of two portable small telescopes that can deliver performance similar to a Solar-Differential Image Motion Monitor + (S-DIMM+) on a 1.0m solar telescope. In the original design of MASP, only two guide stars are used to retrieve the turbulence profile. In this paper, we studied the usage of multiple guide stars in MASP using numerical simulation, and found that there are three main advantages.
Firstly, the precision of the turbulence profile can be increased, especially at a height of about 15 km, which is important for characterizing turbulence at the tropopause. Secondly, the equivalent diameter of MASP can be increased up to 30%, which will reduce the cost and weight of the instruments. Thirdly, the vertical resolution of the turbulence profile near the ground increases with the help of multiple guide stars.
KeywordAtmospheric Effects Site Testing Methods: Numerical
Subject Area天文技术与方法
Language英语
Document Type期刊论文
Identifierhttp://ir.niaot.ac.cn/handle/114a32/1667
Collection中国科学院南京天文光学技术研究所_期刊论文
天文光谱和高分辨成像技术研究室_期刊论文
Affiliation1.南京天文光学技术研究所
2.天文光学技术重点实验室
3.中国科学院大学
Recommended Citation
GB/T 7714
Yang F,Zhao G,Ren DQ. Multi-aperture seeing profiler with multiple guide stars[J]. Research in Astronomy and Astrophysics,2019,19(4):54-1-10.
APA Yang F,Zhao G,&Ren DQ.(2019).Multi-aperture seeing profiler with multiple guide stars.Research in Astronomy and Astrophysics,19(4),54-1-10.
MLA Yang F,et al."Multi-aperture seeing profiler with multiple guide stars".Research in Astronomy and Astrophysics 19.4(2019):54-1-10.
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