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Published August 9, 2016 | Version Published
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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 deg^2 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.

Additional Information

© 2016 Society of Photo-Optical Instrumentation Engineers (SPIE). ZTF is enabled by a private/public partnership, with major support from the National Science Foundation Mid-Scale Instrumentation Program (MSIP). Private partner participation includes major commitments from California Institute of Technology, USA; University of Maryland, USA; University of Wisconsin-Milwaukee, Weizmann Institute for Science, Israel; Oskar Klein Centre at University of Stockholm, Sweden; and Humboldt University, Germany.

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Identifiers

Eprint ID
74385
Resolver ID
CaltechAUTHORS:20170216-132253404

Funding

NSF
Caltech
University of Maryland
University of Wisconsin-Milwaukee
Weizmann Institute for Science
University of Stockholm
Humboldt University

Dates

Created
2017-02-16
Created from EPrint's datestamp field
Updated
2021-11-11
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Caltech Custom Metadata

Caltech groups
Zwicky Transient Facility, Palomar Transient Factory
Series Name
Proceedings of SPIE
Series Volume or Issue Number
9908