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Title: HERMES: a high-resolution fibre-fed spectrograph for the Mercator telescope
Authors: Raskin, Gert ×
Van Winckel, Hans
Hensberge, H
Jorissen, A
Lehmann, H
Waelkens, Christoffel
Avila, G
De Cuyper, J. -P
Degroote, Pieter
Dubosson, R
Dumortier, L
Fremat, Y
Laux, U
Michaud, B
Morren, Jan
Padilla, J. Perez
Pessemier, Wim
Prins, Saskia
Smolders, Kristof
Van Eck, S
Winkler, J #
Issue Date: Feb-2011
Publisher: Springer-Verlag
Series Title: Astronomy & Astrophysics vol:526 pages:-
Abstract: The HERMES high-resolution spectrograph project aims at exploiting the specific potential of small but flexible telescopes in observational astrophysics. The optimised optical design of the spectrograph is based on the well-proven concept of white-pupil beam folding for high-resolution spectroscopy. In this contribution we present the complete project, including the spectrograph design and procurement details, the telescope adaptor and calibration unit, the detector system, as well as the optimised data-reduction pipeline. We present a detailed performance analysis to show that the spectrograph performs as specified both in optical quality and in total efficiency. With a spectral resolution of 85 000 (63 000 for the low-resolution fibre), a spectral coverage from 377 to 900 nm in a single exposure and a peak efficiency of 28%, HERMES proves to be an ideal instrument for building up time series of high-quality data of variable (stellar) phenomena.
ISSN: 0004-6361
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Institute of Astronomy
Physics and Astronomy - miscellaneous
Molecular and Cellular Medicine - miscellaneous (-)
× corresponding author
# (joint) last author

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