9 August 2016 The Zwicky Transient Facility Camera
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Abstract
The Zwicky Transient Facility Camera (ZTFC) is a key element of the ZTF Observing System, the integrated system of optoelectromechanical instrumentation tasked to acquire the wide-field, high-cadence time-domain astronomical data at the heart of the Zwicky Transient Facility. The ZTFC consists of a compact cryostat with large vacuum window protecting a mosaic of 16 large, wafer-scale science CCDs and 4 smaller guide/focus CCDs, a sophisticated vacuum interface board which carries data as electrical signals out of the cryostat, an electromechanical window frame for securing externally inserted optical filter selections, and associated cryo-thermal/vacuum system support elements. The ZTFC provides an instantaneous 47 deg2 field of view, limited by primary mirror vignetting in its Schmidt telescope prime focus configuration. We report here on the design and performance of the ZTF CCD camera cryostat and report results from extensive Joule-Thompson cryocooler tests that may be of broad interest to the instrumentation community.
© (2016) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Richard Dekany, Richard Dekany, Roger M. Smith, Roger M. Smith, Justin Belicki, Justin Belicki, Alexandre Delacroix, Alexandre Delacroix, Gina Duggan, Gina Duggan, Michael Feeney, Michael Feeney, David Hale, David Hale, Stephen Kaye, Stephen Kaye, Jennifer Milburn, Jennifer Milburn, Patrick Murphy, Patrick Murphy, Michael Porter, Michael Porter, Daniel J. Reiley, Daniel J. Reiley, Reed L. Riddle, Reed L. Riddle, Hector Rodriguez, Hector Rodriguez, Eric C. Bellm, Eric C. Bellm, } "The Zwicky Transient Facility Camera", Proc. SPIE 9908, Ground-based and Airborne Instrumentation for Astronomy VI, 99085M (9 August 2016); doi: 10.1117/12.2234558; https://doi.org/10.1117/12.2234558
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