The design of the WEAVE spectrograph

Kevin Rogers; Remko Stuik; Iain A. Steele; Johan Pragt; Kevin F. Middleton; Stuart Bates; Jan Kragt; Niels Tromp; Dirk Lesman; Emilie Lhomé; Gavin Dalton; Scott Trager; Ramon Navarro; Don Carlos Abrams; Ian Tosh; Attila Jasko; Carlos Martin; Neil O'Mahony; Sergio Pico; Diego Cano Infantes; Andrea Bianco; Jose Delgado; Luis Fernando Rodríguez

doi:10.1117/12.2055860

24 July 2014 The design of the WEAVE spectrograph

Kevin Rogers, Remko Stuik, Iain A. Steele, Johan Pragt, Kevin F. Middleton, Stuart Bates, Jan Kragt, Niels Tromp, Dirk Lesman, Emilie Lhomé, Gavin Dalton, Scott Trager, Ramon Navarro, Don Carlos Abrams, Ian Tosh, Attila Jasko, Carlos Martin, Neil O'Mahony, Sergio Pico, Diego Cano Infantes, Andrea Bianco, Jose Delgado, Luis Fernando Rodríguez

Author Affiliations +

Proceedings Volume 9147, Ground-based and Airborne Instrumentation for Astronomy V; 91476H (2014) https://doi.org/10.1117/12.2055860
Event: SPIE Astronomical Telescopes + Instrumentation, 2014, Montréal, Quebec, Canada

Abstract

WEAVE is the next-generation optical spectroscopy facility for the William Herschel Telescope and aims at spectroscopic follow-up of ground-based (LOFAR) and space-based (Gaia) surveys. WEAVE places in the re-fitted prime focus either 1000 fibres, 20 fibre-coupled mini-IFUs or a single large 600 fibre IFU. A spectrograph on the Nasmyth platform analyses the light and supports, in a single exposure, either R~5,000 observations over the full 366- 975 nm wavelength range or simultaneous R~20,000 observations over two out of three pre-specified bands within this wavelength range. This paper describes the requirements, optical design and mechanical design of the WEAVE spectrograph.

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Kevin Rogers, Remko Stuik, Iain A. Steele, Johan Pragt, Kevin F. Middleton, Stuart Bates, Jan Kragt, Niels Tromp, Dirk Lesman, Emilie Lhomé, Gavin Dalton, Scott Trager, Ramon Navarro, Don Carlos Abrams, Ian Tosh, Attila Jasko, Carlos Martin, Neil O'Mahony, Sergio Pico, Diego Cano Infantes, Andrea Bianco, Jose Delgado, and Luis Fernando Rodríguez "The design of the WEAVE spectrograph", Proc. SPIE 9147, Ground-based and Airborne Instrumentation for Astronomy V, 91476H (24 July 2014); https://doi.org/10.1117/12.2055860

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