SHARK-NIR模拟数据的数据处理。

E. Carolo, D. Vassallo, J. Farinato, G. Agapito, M. Bergomi, A. Carlotti, M. D. Pascale, V. D’Orazi, D. Greggio, D. Magrin, L. Marafatto, D. Mesa, E. Pinna, A. Puglisi, M. Stangalini, C. Vérinaud, V. Viotto, F. Biondi, S. Chinellato, M. Dima, S. Esposito, F. Pedichini, E. Portaluri, R. Ragazzoni, G. Umbriaco
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引用次数: 0

摘要

一个强大的后处理技术是必要的,以分析日冕的高对比度成像数据。角差成像(ADI)和主成分分析(PCA)是抑制点扩散函数(PSF)中的准静态结构以揭示与主星不同距离的行星的最常用方法。这项工作的重点是应用这两种数据简化技术,以获得每个日冕仪设置的最佳极限检测,这些设置已经为SHARK-NIR模拟,这是一种将在大型双筒望远镜(LBT)上实施的日冕仪相机。我们研究了从R=6到R=14的恒星星等的不同观测条件($0.4"-1"$),特别注意寻找准静态散斑减法和行星探测之间的最佳折衷。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Data processing on simulated data for SHARK-NIR.
A robust post processing technique is mandatory to analyse the coronagraphic high contrast imaging data. Angular Differential Imaging (ADI) and Principal Component Analysis (PCA) are the most used approaches to suppress the quasi-static structure in the Point Spread Function (PSF) in order to revealing planets at different separations from the host star. The focus of this work is to apply these two data reduction techniques to obtain the best limit detection for each coronagraphic setting that has been simulated for the SHARK-NIR, a coronagraphic camera that will be implemented at the Large Binocular Telescope (LBT). We investigated different seeing conditions ($0.4"-1"$) for stellar magnitude ranging from R=6 to R=14, with particular care in finding the best compromise between quasi-static speckle subtraction and planet detection.
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