The Zwicky Transient Facility Camera

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

doi:10.1117/12.2234558

9 August 2016 The Zwicky Transient Facility Camera

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

Author Affiliations +

Proceedings Volume 9908, Ground-based and Airborne Instrumentation for Astronomy VI; 99085M (2016) https://doi.org/10.1117/12.2234558
Event: SPIE Astronomical Telescopes + Instrumentation, 2016, Edinburgh, United Kingdom

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.

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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, and Eric C. Bellm "The Zwicky Transient Facility Camera", Proc. SPIE 9908, Ground-based and Airborne Instrumentation for Astronomy VI, 99085M (9 August 2016); https://doi.org/10.1117/12.2234558

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