X-ray Properties of Young Early Type Galaxies: II. Abundance Ratio in the Hot ISM

X-Ray Searches for Emission from the WHIM in the Galactic Halo and the Intergalactic Medium

X-ray selected AGN Hosts are Similar to Inactive Galaxies out to z=3: Results from CANDELS/CDF-S

X-ray Selected BL Lacertae Objects: Catalogue and Statistical Properties

X-ray selected Infrared Excess AGN in the Chandra Deep Fields: a moderate fraction of Compton-thick sources

X-ray selected Narrow-Line Seyfert 1 Galaxies

X-ray Signatures of Circumnuclear Gas in AGN

X-ray Spectral Constraints for z~2 Massive Galaxies: The Identification of Reflection-Dominated Active Galactic Nuclei

X-ray spectral evolution in M33 X-8

X-ray spectral study of the hot gas in three Clusters of Galaxies

X-ray Spectroscopy of Galaxy Clusters

X-ray spectroscopy of the Compton-thick Seyfert 2 ESO 138-G1

X-ray Spectroscopy of the Virgo Cluster out to the Virial Radius

X-Ray Study of the Outer Region of Abell 2142 with Suzaku

X-ray Substructure Studies of Four Galaxy Clusters using XMM-Newton Data

X-Ray surface brightness and gas density fluctuations in the Coma cluster

X-ray Temperature and Mass Measurements to the Virial Radius of Abell 1413 with Suzaku

X-ray variability time scales in Active Galactic Nuclei

X-Ray View of the Shock Front in the Merging Cluster Abell 3376 with Suzaku

X-ray vs. water maser emission in AGN