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Proceedings Paper

The extreme UV imaging spectrometer for the JAXA Solar-B mission
Author(s): J. L. Culhane; G. A. Doschek; T. Watanabe; A. Smith; C. Brown; H. Hara; L. K. Harra; A. M. James; K. al Janabi; B. Kent; C. Korendyke; J. Lang; J. Mariska; S. Myers; J. Seely; G. Simnett; J. Tandy; R. Thomas; D. L. Windt
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Paper Abstract

The ISAS/JAXA Solar-B mission includes an Extreme-UV Imaging Spectrometer (EIS). It detects photons in the wavelength ranges 17 - 21 nm and 25 - 29 nm which include emission lines from several highly ionised species that exist at temperatures log T = 4.7, 5.6, 5.8, 5.9 and 6.0 - 7.3 K. Instrument throughput is increased substantially by the use of multilayer coatings optimized for maximum reflectance in the two selected wavelength bands. The use of back-illuminated CCDs provides significantly enhanced quantum efficiency over that previously available from microchannel plate systems. In this paper we will describe the design and operation of the instrument and present its performance parameters e.g. spectral and spatial resolution and sensitivity. Preliminary results of recent calibration measurements will be described. The role of EIS in the Solar-B mission will be illustrated with reference to the anticipated observing strategy for the first three months of the mission which will be outlined.

Paper Details

Date Published: 13 June 2006
PDF: 13 pages
Proc. SPIE 6266, Space Telescopes and Instrumentation II: Ultraviolet to Gamma Ray, 62660T (13 June 2006); doi: 10.1117/12.671262
Show Author Affiliations
J. L. Culhane, Univ. College London (United Kingdom)
G. A. Doschek, Naval Research Lab. (United States)
T. Watanabe, National Astronomical Observatory of Japan (Japan)
A. Smith, Univ. College London (United Kingdom)
C. Brown, Naval Research Lab. (United States)
H. Hara, National Astronomical Observatory of Japan (Japan)
L. K. Harra, Univ. College London (United Kingdom)
A. M. James, Univ. College London (United Kingdom)
K. al Janabi, Univ. College London (United Kingdom)
B. Kent, Rutherford Appleton Lab. (United Kingdom)
C. Korendyke, Naval Research Lab. (United States)
J. Lang, Rutherford Appleton Lab. (United Kingdom)
J. Mariska, Naval Research Lab. (United States)
S. Myers, Naval Research Lab. (United States)
J. Seely, Naval Research Lab. (United States)
G. Simnett, Univ. of Birmingham (United Kingdom)
J. Tandy, Univ. College London (United Kingdom)
R. Thomas, NASA Goddard Space Flight Ctr. (United States)
D. L. Windt, Columbia Univ. (United States)

Published in SPIE Proceedings Vol. 6266:
Space Telescopes and Instrumentation II: Ultraviolet to Gamma Ray
Martin J. L. Turner; Günther Hasinger, Editor(s)

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