S-Cam 2: performance and initial astronomical results

Details S-Cam 2: performance and initial astronomical results S-Cam 2: performance and initial astronomical results

Aug 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000spie.4008..646r&link_type=abstract

Proc. SPIE Vol. 4008, p. 646-656, Optical and IR Telescope Instrumentation and Detectors, Masanori Iye; Alan F. Moorwood; Eds.

Physics

Instrumentation and Detectors

4

Scientific paper

S-Cam is a cryogenic camera for ground based astronomy designed around a 6 by 6 array of Ta-Al Superconducting Tunnel Junctions. The camera has been conceived as a technology demonstrator, aiming to provide the potential of this new generation of single photon counting detectors at a ground-based telescope in La Palma, an improved version of the camera has been developed and tested. In this paper we provide an overview of the latest camera performance, a description of the up-dated S-Cam 2 system and a summary of the main test results. An example of the novel astronomical data obtained during the test campaign conducted in December 1999 are also shortly described.

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