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  1. OA@INAF
  2. PRODOTTI RICERCA INAF
  3. 3 CONTRIBUTI IN ATTI DI CONVEGNO (Proceedings)
  4. 3.01 Contributi in Atti di convegno
Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.12386/26364
Title: Design of the calibration unit for the WEAVE multi-object spectrograph at the WHT
Authors: Domínquez, Lilian
Cano, Diego
O'Mahony, Neil
Martín, Carlos
Picó, Sergio
Benn, Chris
Trager, Scott
Lhomé, Émilie
Ridings, Andy
Fariña, Cecilia
Abrams, D. C.
Balcells, Marc
Irwin, Mike
Lewis, Jim
Dalton, Gavin
Aguerri, J. A.
Bonifacio, P.
VALLENARI, Antonella 
Carrasco, E.
Issue Date: 2016
Volume: Ground-based and Airborne Instrumentation for Astronomy VI
Editors: Evans, Christopher J.; Simard, Luc; Takami, Hideki
Series: PROCEEDINGS OF SPIE 
Number: 9908
First Page: 99088R
Abstract: WEAVE is the next-generation spectroscopic facility for the William Herschel Telescope (WHT), offering multi-object (1000 fibres) and integral-field spectroscopy at two resolutions (R 5000, 20000) over a 2-deg field of view at prime focus. WEAVE will (mainly) provide optical follow up of ground-based (LOFAR) and space-based (GAIA) surveys. First light is expected in mid 2018. Here, we describe the calibration unit, which will be adapted from an existing unit for the AF2+WYFFOS spectrograph (WEAVE's precursor) at the WHT. We summarise the results from a thorough characterisation of current performance (e.g. intensity, stability and focal-plane coverage of illumination as a function of lamp type and wavelength). We then set out our plans for upgrading the unit and its control systems to meet the WEAVE science and operational requirements. We conclude from this assessment that the upgraded AF2+WYFFOS calibration unit will meet the requirements for WEAVE. The design of the WEAVE calibration unit is now complete.
Conference Name: Ground-based and Airborne Instrumentation for Astronomy VI
Conference Place: Edinburgh, UK
Conference Date: 26 June - 1 July, 2016
URI: http://hdl.handle.net/20.500.12386/26364
URL: https://www.spiedigitallibrary.org/conference-proceedings-of-spie/9908/1/Design-of-the-calibration-unit-for-the-WEAVE-multi-object/10.1117/12.2233007.short?SSO=1
ISSN: 0277-786X
ISBN: 9781510601963
DOI: 10.1117/12.2233007
Bibcode ADS: 2016SPIE.9908E..8RD
Fulltext: open
Appears in Collections:3.01 Contributi in Atti di convegno

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