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

Oberto Citterio; Sergio Campana; Paolo Conconi; Mauro Ghigo; Francesco Mazzoleni; Ennio Poretti; Giancarlo Conti; Giancarlo Cusumano; Bruno Sacco; Heinrich W. Braeuninger; Wolfgang Burkert; Roland Egger; Christian M. Castelli; Richard Willingale

doi:10.1117/12.245112

19 July 1996 Characteristics of the flight model optics for the JET-X telescope onboard the Spectrum-X-Gamma satellite

Oberto Citterio, Sergio Campana, Paolo Conconi, Mauro Ghigo, Francesco Mazzoleni, Ennio Poretti, Giancarlo Conti, Giancarlo Cusumano, Bruno Sacco, Heinrich W. Braeuninger, Wolfgang Burkert, Roland Egger, Christian M. Castelli, Richard Willingale

Author Affiliations +

Proceedings Volume 2805, Multilayer and Grazing Incidence X-Ray/EUV Optics III; (1996) https://doi.org/10.1117/12.245112
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

Abstract

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 cm² at 1.5 keV and 145 cm² 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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Oberto Citterio, Sergio Campana, Paolo Conconi, Mauro Ghigo, Francesco Mazzoleni, Ennio Poretti, Giancarlo Conti, Giancarlo Cusumano, Bruno Sacco, Heinrich W. Braeuninger, Wolfgang Burkert, Roland Egger, Christian M. Castelli, and Richard Willingale "Characteristics of the flight model optics for the JET-X telescope onboard the Spectrum-X-Gamma satellite", Proc. SPIE 2805, Multilayer and Grazing Incidence X-Ray/EUV Optics III, (19 July 1996); https://doi.org/10.1117/12.245112

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