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Hamamatsu CCD upgrade for the Gemini multi-object spectrographs GMOS-S and GMOS-N: results from the 2017 GMOS-N upgrade and project completion summary
Author(s): Julia Scharwächter; Kristin Chiboucas; German Gimeno; Luc Boucher; John White; Eduardo Tapia; Michael Lundquist; Mathew Rippa; Manuel Lazo; Jennifer Miller; Kathleen Labrie; Prabhani Rajakaruna; Jennifer Dunn; Kevin Hanna; Tim Hardy; Scot J. Kleinman; Javier Lührs; Michael Pohlen; Andrew Stephens
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Paper Abstract

The installation of fully-depleted Hamamatsu CCDs in GMOS-N in February/March 2017 marked the conclusion of the CCD upgrade project for the two Gemini Multi-Object Spectrographs. The corresponding upgrade for GMOS-S was completed in June/July 2014, so that both GMOS instruments are now operated with a detector array of three fully-depleted Hamamatsu CCDs. We present results from the commissioning of the GMOS-N Hamamatsu CCDs and discuss their on-sky performance. We provide a comparison of the GMOS-N and GMOSS detector parameters and summarize the main observing and data reduction strategies that apply to both detector arrays.

Paper Details

Date Published: 6 July 2018
PDF: 12 pages
Proc. SPIE 10702, Ground-based and Airborne Instrumentation for Astronomy VII, 107022T (6 July 2018); doi: 10.1117/12.2313058
Show Author Affiliations
Julia Scharwächter, Gemini Observatory (United States)
Kristin Chiboucas, Gemini Observatory (United States)
German Gimeno, Gemini Observatory (Chile)
Luc Boucher, Gemini Observatory (Chile)
John White, Gemini Observatory (United States)
Eduardo Tapia, Gemini Observatory (United States)
Michael Lundquist, Gemini Observatory (United States)
Mathew Rippa, Gemini Observatory (United States)
Manuel Lazo, Gemini Observatory (Chile)
Jennifer Miller, Gemini Observatory (United States)
Kathleen Labrie, Gemini Observatory (United States)
Prabhani Rajakaruna, The Univ. of Toledo (United States)
Gemini Observatory (United States)
Jennifer Dunn, National Research Council of Canada, Herzberg (Canada)
Kevin Hanna, SOFIA Observatory, c/o USRA, NASA Armstrong Research Ctr. (United States)
Tim Hardy, National Research Council of Canada, Herzberg (Canada)
Scot J. Kleinman, Gemini Observatory (United States)
Javier Lührs, Gemini Observatory (Chile)
Michael Pohlen, Gemini Observatory (United States)
UKIRT Observatory (United States)
Andrew Stephens, Gemini Observatory (United States)


Published in SPIE Proceedings Vol. 10702:
Ground-based and Airborne Instrumentation for Astronomy VII
Christopher J. Evans; Luc Simard; Hideki Takami, Editor(s)

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