Xray observations of high redshift radio galaxies
XRF 011030: the case of a late X-ray flare observed by BeppoSAX
XRF 050406 late-time flattening: an inverse Compton component?
XRF 100316D / SN 2010bh and the Nature of Gamma Ray Burst Supernovae
XRF 100316D/SN 2010bh: clue to the diverse origin of nearby supernova-associated GRBs
XROM and RCOM: Two New OGLE-III Real Time Data Analysis Systems
XRT Light curves: Morphology, Flares and Energy
XSL: The X-Shooter Spectral Library
XSPEC: An X-ray spectral fitting package
XSPEC: Progress and Plans
Xspect, estimation of the angular power spectrum by computing cross-power spectra with analytical error bars
XSS J00564+4548 and IGR J00234+6141 -- new cataclysmic variables from RXTE and INTEGRAL all sky surveys
XSTAR: A program for calculating conditions and spectra of photoionized gases
XTE and SAX observations of the Be/neutron star system RX J0146.9+6121
XTE J0111.2-7317 : a nebula-embedded X-ray binary in the SMC
XTE J1118+480: A Metal-Rich Black Hole Binary in the Galactic Halo
XTE J1118+480: Clues on the Nature of the Accretion Flow from the Optical Variability
XTE J1550-564: A superluminal ejection during the September 1998 outburst
XTE J1550-564: INTEGRAL Observations of a Failed Outburst
XTE J1701-462 and its Implications for the Nature of Subclasses in Low-Magnetic-Field Neutron Star Low-Mass X-Ray Binaries