X-ray and UV Observations of Hot Gas in Planetary Nebulae

X-ray and UV observations of Omega Centauri with EXOSAT

X-ray and UV observations of the BL Lacertae object 3C 66A

X-Ray and UV Observations of the Rapidly Rotating Triple System HD 165590

X-ray and UV observations of two radio-bright quasars

X-ray and UV spectroscopy of Cygnus X-1 = HDE226868

X-ray and UV-emission from supernova shock waves in stellar winds

X-ray and VLBI radio observations of the quasars NRAO 140 and NRAO 530

X-ray and γ-ray emission from Markarian 421 in 2003

X-ray and γ-ray observations of the COS-B field 2CG 075+00

X-ray applications of deep-depletion CCDs

X-Ray Archival Data Analysis of Time Variabilities in Seyfert Galaxy MCG--2-58-22

X-Ray Astronomical Spectroscopy

X-ray astronomy

X-ray astronomy

X-ray astronomy

X-ray astronomy - A status report

X-ray astronomy - The view from orbit

X-Ray Astronomy 1984, symposium held in Bologna, Italy, 26-30 Jun. 1984

X-Ray Astronomy 1999: Stellar Endpoints, Active Galactic Nuclei, and the X-Ray Background