X- and Gamma-Ray Flashes from Type Ia Supernovae?

X- and gamma-ray studies of HESS J1731-347 coincident with a newly discovered SNR

X-ray absorption and occultation in LS 5039

X-ray Absorption and Reflection in Active Galactic Nuclei

X-Ray and Gamma-Ray Emission from the Galactic Center

X-ray and Gamma-ray Emissions from Different Evolutionary Stage of Rotation Powered Millisecond Pulsars

X-Ray and Near-Infrared Observations of GX 339-4 in the Low/Hard State with Suzaku and IRSF

X-Ray And Optical Flux Ratio Anomalies In Quadruply Lensed Quasars. II. Mapping the Dark Matter Content in Elliptical Galaxies

X-Ray and Optical Observations of A 0535+26

X-ray and optical observations of the closest isolated radio pulsar

X-ray and optical observations of the unique binary system HD49798/RXJ0648.0-4418

X-ray and Optical Study of Low Core Density Globular Clusters NGC6144 and E3

X-ray and optical study of the new SMC X-ray binary pulsar system SXP7.92 and its probable optical counterpart, AzV285

X-ray and Radio Constraints on the Mass of the Black Hole in Swift J164449.3+573451

X-ray and Radio Variability of M31*, The Andromeda Galaxy Nuclear Supermassive Black Hole

X-ray and TeV emissions from High Frequency Peaked BL Lacs

X-ray and UV emission from the recurrent nova RS Ophiuchi in quiescence: Signatures of accretion and shocked gas

X-ray and UV observations of nova V598 Puppis between 147 and 255 days after outburst

X-ray bursting neutron star atmosphere models: spectra and color corrections

X-ray bursts and burst oscillations from the slowly spinning X-ray pulsar IGR J17480-2446 (Terzan 5)