The Zwicky Transient Facility Camera

被引：18

作者：

Dekany, Richard ^{[1
]}

Smith, Roger M. ^{[1
]}

Belicki, Justin ^{[1
]}

Delacroix, Alexandre ^{[1
]}

Duggan, Gina ^{[1
]}

Feeney, Michael ^{[1
]}

Hale, David ^{[1
]}

Kaye, Stephen ^{[1
]}

Milburn, Jennifer ^{[1
]}

Murphy, Patrick ^{[1
]}

Porter, Michael ^{[1
]}

Reiley, Dan ^{[1
]}

Riddle, Reed ^{[1
]}

Rodriguez, Hector ^{[1
]}

Bellm, Eric ^{[1
]}

机构：

[1] Caltech Opt Observ, 1200 E Calif Blvd, Pasadena, CA 91125 USA

来源：

GROUND-BASED AND AIRBORNE INSTRUMENTATION FOR ASTRONOMY VI | 2016年 / 9908卷

基金：

美国国家科学基金会;

关键词：

CCD mosaic; cryostat; wide-field imaging; Schmidt telescope;

D O I：

10.1117/12.2234558

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

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-theiinal/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.

引用

页数：14

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