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

Robert M. Barnsley; Matthias Tecza; Niranjan A. Thatte

doi:10.1117/12.2232552

9 August 2016 Can the European ELT detect super-Earths? Measuring the contrast limit of an image slicer spectrograph in a laboratory experiment

Robert M. Barnsley, Matthias Tecza, Niranjan A. Thatte

Author Affiliations +

Proceedings Volume 9908, Ground-based and Airborne Instrumentation for Astronomy VI; 99089R (2016) https://doi.org/10.1117/12.2232552
Event: SPIE Astronomical Telescopes + Instrumentation, 2016, Edinburgh, United Kingdom

Abstract

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 and D to be undertaken for specific components. In this paper we discuss plans to progress this R and 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.

Citation Download Citation

Robert M. Barnsley, Matthias Tecza, and Niranjan A. Thatte "Can the European ELT detect super-Earths? Measuring the contrast limit of an image slicer spectrograph in a laboratory experiment", Proc. SPIE 9908, Ground-based and Airborne Instrumentation for Astronomy VI, 99089R (9 August 2016); https://doi.org/10.1117/12.2232552

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