Characteristics of the flight model optics for the JET-X telescope onboard the Spectrum-X-Gamma satellite

Details Characteristics of the flight model optics for the JET-X telescope onboard the Spectrum-X-Gamma satellite Characteristics of the flight model optics for the JET-X telescope onboard the Spectrum-X-Gamma satellite

Jul 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996spie.2805...56c&link_type=abstract

Proc. SPIE Vol. 2805, p. 56-65, Multilayer and Grazing Incidence X-Ray/EUV Optics III, Richard B. Hoover; Arthur B. Walker; Eds.

Physics

Optics

9

Scientific paper

The joint European x-ray telescope (JET-X) is one of the core scientific instruments of the RUssian SPECTRUM X-(gamma) astrophysics mission. JET-X is designed to study the emission from x-ray sources in the band of 0.3-10 keV; in particular to meet primary scientific goals in cosmology and extragalactic astronomy. JET-X consists of two identical, coaligned x-ray telescopes, each with a spatial resolution of better than 30 arcsec half energy width. Focal plane imaging is provided by cooled x-ray sensitive CCD detectors which combine high spatial resolution with good spectral resolution, including coverage of the iron line complex around 7 keV at a resolution of (Delta) E/E approximately 1.5 percent. Each telescope is composed of a nested array of 12 mirror shells with an aperture of 300 mm and focal length of 3500 mm; the total effective area is 330 cm(superscript 2) at 1.5 keV and 145 cm(superscript 2) at 8.1 keV. The mirror shells have a Wolter I geometry and are manufactured by an electroforming replica process. The paper presents the characteristic of the flight model x-ray optics.

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