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Proceedings Paper

High-temporal-resolution imaging and spectroscopy with Ranicon detectors
Author(s): Colin R. Cox; Amit Sen; Knute A. Ray; James H. Crocker; Marc D. Rafal; Mark Clampin
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Paper Abstract

A data-collection system for use in astronomical observations with the resistive-anode detectors (Ranicons) described by Paresce et al. (1979 and 1988) is briefly characterized. Analog signals from the Ranicon pass through 12-bit A/D converters and (along with time information from a digital clock) into a 64-bit FIFO buffer, and the photon positions are calculated by a high-speed arithmetic-logic system capable of an event rate of 30 kHz (so that, by Poisson statistics, only about 21 percent of events will be missed). Results from successful timing tests of the system on the 2.2-m telescope at ESO are presented graphically.

Paper Details

Date Published: 1 July 1990
PDF: 5 pages
Proc. SPIE 1235, Instrumentation in Astronomy VII, (1 July 1990); doi: 10.1117/12.19128
Show Author Affiliations
Colin R. Cox, Space Telescope Science Institute (United States)
Amit Sen, Space Telescope Science Institute (United States)
Knute A. Ray, Space Telescope Science Institute (India)
James H. Crocker, Space Telescope Science Institute (United States)
Marc D. Rafal, Space Telescope Science Institute (United States)
Mark Clampin, Johns Hopkins Univ. (United States)

Published in SPIE Proceedings Vol. 1235:
Instrumentation in Astronomy VII
David L. Crawford, Editor(s)

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