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Proceedings Paper

The Zwicky Transient Facility Camera
Author(s): Richard Dekany; Roger M. Smith; Justin Belicki; Alexandre Delacroix; Gina Duggan; Michael Feeney; David Hale; Stephen Kaye; Jennifer Milburn; Patrick Murphy; Michael Porter; Daniel J. Reiley; Reed L. Riddle; Hector Rodriguez; Eric C. Bellm
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Paper 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.

Paper Details

Date Published: 9 August 2016
PDF: 14 pages
Proc. SPIE 9908, Ground-based and Airborne Instrumentation for Astronomy VI, 99085M (9 August 2016); doi: 10.1117/12.2234558
Show Author Affiliations
Richard Dekany, Caltech Optical Observatories (United States)
Roger M. Smith, Caltech Optical Observatories (United States)
Justin Belicki, Caltech Optical Observatories (United States)
Alexandre Delacroix, Caltech Optical Observatories (United States)
Gina Duggan, Caltech Optical Observatories (United States)
Michael Feeney, Caltech Optical Observatories (United States)
David Hale, Caltech Optical Observatories (United States)
Stephen Kaye, Caltech Optical Observatories (United States)
Jennifer Milburn, Caltech Optical Observatories (United States)
Patrick Murphy, Caltech Optical Observatories (United States)
Michael Porter, Caltech Optical Observatories (United States)
Daniel J. Reiley, Caltech Optical Observatories (United States)
Reed L. Riddle, Caltech Optical Observatories (United States)
Hector Rodriguez, Caltech Optical Observatories (United States)
Eric C. Bellm, Caltech Optical Observatories (United States)


Published in SPIE Proceedings Vol. 9908:
Ground-based and Airborne Instrumentation for Astronomy VI
Christopher J. Evans; Luc Simard; Hideki Takami, Editor(s)

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