X-ray flares from propagation instabilities in long Gamma-Ray Burst jets
X-Ray Flares In GRB090812 - Case Study
X-ray Flares of EV Lac: Statistics, Spectra, Diagnostics
X-ray follow up observations of new IGRs
X-ray investigation of the diffuse emission around plausible gamma-ray emitting pulsar wind nebulae in Kookaburra region
X-Ray Measured Dynamics of Tycho's Supernova Remnant
X-ray monitoring of classical novae in the central region of M 31. I. June 2006 - March 2007
X-ray monitoring of classical novae in the central region of M 31. II. Autumn and winter 2007/2008 and 2008/2009
X-ray Monitoring of Gravitational Lenses With Chandra
X-Ray Monitoring of Ultraluminous X-Ray Sources
X-ray observation of AM Herculis in a very low state with Suzaku
X-ray observational signature of a black hole accretion disc in an active galactic nucleus RXJ1633+4718
X-ray Observations of a New Unusual Magnetar Swift J1834.9-0846
X-ray observations of classical novae. Theoretical implications
X-ray Observations of Radio Transients without Optical Hosts
X-ray observations of SU UMa throughout six outbursts
X-Ray Observations of the Supernova Remnant W28 with Suzaku --- I. Spectral Study of the Recombining Plasma
X-ray Outflows in the Swift Burst Alert Detected Seyfert 1s
X-ray Phase-Resolved Spectroscopy of PSRs B0531+21, B1509-58, and B0540-69 with RXTE
X-ray Photoevaporation-starved T Tauri Accretion