The extreme UV imaging spectrometer for the JAXA Solar-B mission

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

doi:10.1117/12.671262

13 June 2006 The extreme UV imaging spectrometer for the JAXA Solar-B mission

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

Author Affiliations +

Proceedings Volume 6266, Space Telescopes and Instrumentation II: Ultraviolet to Gamma Ray; 62660T (2006) https://doi.org/10.1117/12.671262
Event: SPIE Astronomical Telescopes + Instrumentation, 2006, Orlando, Florida , United States

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.

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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, and D. L. Windt "The extreme UV imaging spectrometer for the JAXA Solar-B mission", Proc. SPIE 6266, Space Telescopes and Instrumentation II: Ultraviolet to Gamma Ray, 62660T (13 June 2006); https://doi.org/10.1117/12.671262

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