X-Ray Optics and Instrumentation / 2010 / Article / Tab 1

Review Article

Thin Shell, Segmented X-Ray Mirrors

Table 1

Foil mirror parameters.

SXS/Micro-XBBXRTSODARTASCAAstro-E/E2 SXT-IAstro-E/E2 SXT-S

Number flown120482
Diameter (cm)404060354040
Focal length (m)2.13.7783.54.754.5
Number of Shells68118143120175168
Number of modules per mirror444444
Segment length (cm)101020101010
Total number of segments544944114496014001344
AI Substrate thickness (mm)0.1270.1270.40.1270.1520.152
Surface production methodlacquerlacquerlacquerlacquerreplicationreplication
Reflective coatinggoldgoldgoldgoldgoldgold
Mass (kg)20201019.8419.319.9
Effective area at 1 keV (cm2)300290950300450450
Effective area at 7 keV (cm2)125750150250250
Angular resolution (HPD-arcmin)332.4–3.83.61.6-1.71.7
Year of launch1988199019932000, 20052000, 2005

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