X-ray telescope onboard Astro-E. III. Guidelines to performance improvements and optimization of the ray-tracing simulator

X-Ray Telescope Onboard Astro-E: Optical Design and Fabrication of Thin Foil Mirrors

X-Ray Telescope Progress

X-ray telescopes aboard Phobos-I and Coronas

X-ray telescopes for the ESA XMM spacecraft

X-Ray temperature distribution function of clusters in presence of large non-radial motions

X-ray temperature-emission measure modeling of the solar corona

X-ray test facilities at Max-Planck-Institut Garching

X-ray test facility for diffraction gratings

X-ray testing Constellation-X optics at MSFC's 100-m facility

X-ray Testing of the High Resolution Mirror Assembly: The Path to a Successful Flight Build

X-ray tests and calibrations of the ABRIXAS mirror systems

X-ray thermal coronae of early-type galaxies in hot clusters

X-ray thermal coronae of galaxies in nearby hot clusters

X-ray thin foil filters at cryogenic temperatures.

X-ray timing

X-Ray Timing 2003: Rossi and Beyond

X-ray timing and spectral properties of the glitching AXP 1RXS J170849.0-400910

X-Ray Timing in 1E 1740.7-2942 and GRS 1758-258

X-ray timing in the astrophysical experiment on-board ``Mir-Spectr'' orbital complex