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Proceedings Paper

Performance and calibration of the AXAF High-Resolution Camera II: the spectroscopic detector
Author(s): Ralph Porter Kraft; John H. Chappell; Almus T. Kenter; K. Kobayashi; G. R. Meehan; Stephen S. Murray; Martin V. Zombeck; George W. Fraser; James F. Pearson; John Ernest Lees; Adam N. Brunton; Marco Barbera; Alfonso Collura; Salvatore Serio
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Paper Abstract

The high resolution camera (HRC) is one of two focal plane detector systems that will be flown on the Advanced X-ray Astrophysics Facility (AXAF). The HRC consists of two microchannel plate (MCP) detectors: one to provide large area, high position resolution imaging and timing (HRC-I), and a second (HRC-S) to provide a readout for the AXAF low energy transmission gratings. Each detector is composed of a chevron pair of CsI coated MCPs with a crossed grid charge detector and an Al/polyimide UV/ion shield. In this paper, we describe the operation, performance and calibration of the spectroscopic detector. In particular, we discuss the absolute quantum efficiency calibration, the point spread function of the instrument combined with the AXAF telescope, the count rate linearity, the spatial linearity, and the internal background of the instrument. Data taken in the laboratory and at the x-ray Calibration Facility at Marshall Space Flight Center are presented.

Paper Details

Date Published: 15 October 1997
PDF: 21 pages
Proc. SPIE 3114, EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy VIII, (15 October 1997); doi: 10.1117/12.283785
Show Author Affiliations
Ralph Porter Kraft, Smithsonian Astrophysical Observatory (United States)
John H. Chappell, Smithsonian Astrophysical Observatory (United States)
Almus T. Kenter, Smithsonian Astrophysical Observatory (United States)
K. Kobayashi, Smithsonian Astrophysical Observatory (United States)
G. R. Meehan, Smithsonian Astrophysical Observatory (United States)
Stephen S. Murray, Smithsonian Astrophysical Observatory (United States)
Martin V. Zombeck, Smithsonian Astrophysical Observatory (United States)
George W. Fraser, Univ. of Leicester (United Kingdom)
James F. Pearson, Univ. of Leicester (United Kingdom)
John Ernest Lees, Univ. of Leicester (United Kingdom)
Adam N. Brunton, Univ. of Leicester (United Kingdom)
Marco Barbera, Istituto e Osservatorio Astronomico G. S. Vaiana (Italy)
Alfonso Collura, Istituto e Osservatorio Astronomico G. S. Vaiana (Italy)
Salvatore Serio, Istituto e Osservatorio Astronomico G. S. Vaiana (Italy)


Published in SPIE Proceedings Vol. 3114:
EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy VIII
Oswald H. W. Siegmund; Mark A. Gummin, Editor(s)

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