X-ray warm absorption and emission in the polar scattered Seyfert 1 galaxy MRK 704

X-ray, lensing and Sunyaev Zel'dovich triaxial analysis of Abell 1835 out to R_{200}

X-ray/optical classification of cluster mergers and the evolution of the cluster merger fraction

X-raying the Winds of Luminous Active Galaxies

X-rays and hard UV radiation From the First Galaxies: Ionization Bubbles and 21 cm Observations

X-rays as dominant excitation mechanism of [Fe ii] and H2 emission lines in active galaxies

X-rays from a radio-loud compact BAL Quasar 1045+352 and the nature of outflows in radio-loud BAL Quasars

X-rays from the explosion site: Fifteen years of light curves of SN 1993J

X-shooter observations of QSO pairs

X-shooter Observations of the Gravitational Lens System CASSOWARY 5

XENON10/100 dark matter constraints in comparison with CoGeNT and DAMA: examining the Leff dependence

XENON10/100 dark matter constraints: examining the Leff dependence

XMM-Newton detection of two clusters of galaxies with strong SPT Sunyaev-Zel'dovich effect signatures

XMM-Newton Detects a Hot Gaseous Halo in the Fastest Rotating Spiral Galaxy UGC 12591

XMM-Newton first X-ray detection of the LoBAL quasar PG 1700+518

XMM-Newton long-look observation of the narrow line Seyfert 1 galaxy PKS0558-504; I: Spectral analysis

XMM-Newton Observation of the Northwest Radio Relic Region in Abell 3667

XMM-Newton Observations of a Complete Sample of Optically Selected Type 2 Seyfert Galaxies

XMM-Newton observations of SDSS J143030.22$-$001115.1: an unusually flat spectrum AGN

XMM-Newton observations of Seyfert galaxies from the Palomar spectroscopic survey: the X-ray absorption distribution