Can the European ELT detect super-Earths? Measuring the contrast limit of an image-slicer spectrograph in a laboratory experiment

被引：4

作者：

Barnsley, Robert M. ^{[1
]}

Tecza, Matthias ^{[1
]}

Thatte, Niranjan A. ^{[1
]}

机构：

[1] Univ Oxford, Dept Astrophys, Keble Rd, Oxford OX1 3RH, England

来源：

GROUND-BASED AND AIRBORNE INSTRUMENTATION FOR ASTRONOMY VI | 2016年 / 9908卷

关键词：

E-ELT; ELT-PCS; high-contrast imaging; adaptive optics; exoplanets; integral field spectrograph; speckle noise; spectral deconvolution;

D O I：

10.1117/12.2232552

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

One of the highest scientific priorities for the E-ELT is to characterise exoplanets and to image Earth-like planets with the dedicated planetary camera and spectrograph, ELT-PCS. Detailed design and construction of ELT-PCS requires R&D to be undertaken for specific components. In this paper we discuss plans to progress this R&D for the integral field spectrograph technology, with the aim of determining the best contrast achievable with both a lenslet and a slicer based spectrograph. In particular, we present the preliminary design for a new bench spectrograph capable of accepting either of the two competing technologies as its input.

引用

页数：8

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