X-ray Studies of Unidentified Galactic TeV Gamma-ray Sources

X-ray Study of Tau-Sco-like Massive Stars

X-Ray Study of the Bright W-R Star HD 93162 with Chandra

X-Ray Substructure in a Flux-Limited Catalog of Clusters of Galaxies

X-ray survey of the NDWFS Bootes field (Kenter+, 2005)

X-ray survey of Wolf-Rayet stars in the Magellanic Clouds

X-ray surveys of the Magellanic Clouds

X-ray Timing Observations of NGC 5408 X-1: Pinning Down the Mass

X-ray tomographic spectroscopy: TOMOSCOP low-energy design concept

X-Ray Transmission Spectroscopy during the Star-Rise of HER X-1

X-ray TV camera using a CCD array

X-ray variability of active galactic nuclei and the flare model

X-ray variability of AGN (Vagnetti+, 2011)

X-ray variability of AGNs in Lockman Hole (Papadakis+, 2008)

X-ray variability of serendipitous AGNs discovered in Swift GRB Fields

X-Ray Variability Studies of TeV Blazars

X-ray view on a Class using Conceptual Analysis in Java Environment

X-ray views of young Sun-like stars

X-ray views of young Sun-like stars with debris disks

X-ray, Radio, and Optical Observations of Cassiopeia A