The Advanced X-Ray Astrophysics Facility High Resolution Camera

Stephen S . Murray; Jon H. Chappell

doi:10.1117/12.966592

14 July 1986 The Advanced X-Ray Astrophysics Facility High Resolution Camera

Stephen S . Murray, Jon H. Chappell

Proceedings Volume 0597, X-Ray Instrumentation in Astronomy; (1986) https://doi.org/10.1117/12.966592
Event: 1985 International Technical Symposium/Europe, 1985, Cannes, France

Abstract

The HRC (High Resolution Camera) is a photon counting instrument to be flown on the Advanced X-Ray Astrophysics Facility (AXAF). It is a large field of view, high angular resolution, detector for the x-ray telescope. The HRC consists of a CsI coated microchannel plate (MCP) acting as a soft x-ray photocathode, followed by a second MCP for high electronic gain. The MCPs are readout by a crossed grid of resistively coupled wires to provide high spatial resolution along with timing and pulse height data. The instrument will be used in two modes, as a direct imaging detector with a limiting sensitivity of 10^-15 ergs/cm² sec in a 10⁵ second exposure, and as a readout for an objective transmission grating providing spectral resolution of several hundreds to thousands.

Citation Download Citation

Stephen S . Murray and Jon H. Chappell "The Advanced X-Ray Astrophysics Facility High Resolution Camera", Proc. SPIE 0597, X-Ray Instrumentation in Astronomy, (14 July 1986); https://doi.org/10.1117/12.966592

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