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

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

doi:10.1117/12.2313058

6 July 2018 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

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

Author Affiliations +

Proceedings Volume 10702, Ground-based and Airborne Instrumentation for Astronomy VII; 107022T (2018) https://doi.org/10.1117/12.2313058
Event: SPIE Astronomical Telescopes + Instrumentation, 2018, Austin, Texas, United States

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.

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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, and Andrew Stephens "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", Proc. SPIE 10702, Ground-based and Airborne Instrumentation for Astronomy VII, 107022T (6 July 2018); https://doi.org/10.1117/12.2313058

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