X-ray illumination of the ejecta of Supernova 1987A

X-ray impact on the protoplanetary disks around T Tauri stars

X-ray Modeling of η Carinae and WR140 from SPH Simulations

X-ray Plasma Ejections and their association with other solar-activity phenomena

X-ray Production by V1647 Ori During Optical Outbursts

X-Ray Searches for Solar Axions

X-Ray Sources in Multiple Stars

X-ray spectral diagnostics of activity in massive stars

X-ray spectroscopy and photometry of the long-period polar AI Tri with XMM-Newton

X-Ray Spectroscopy of Stars

X-ray Spectroscopy of the High Mass X-ray Binary Pulsar Centaurus X-3 over its Binary Orbit

X-ray Spectroscopy of the Radiation-Driven Winds of Massive Stars: Line Profile and Line Ratio Diagnostics

X-ray Star Clusters in the Carina Complex

X-Ray Studies of Supernova Remnants: A Different View of Supernova Explosions

X-ray variability of sigma Orionis young stars with ROSAT

X-ray view of IC348 in the light of an updated cluster census

X-Ray, FUV, and UV Observations of alpha Centauri B: Determination of Long-term Magnetic Activity Cycle and Rotation Period

X-Ray-Emitting Stars Identified from the ROSAT All-Sky Survey and the Sloan Digital Sky Survey

X-raying the AU Microscopii debris disk

X-rays, clumping and stellar wind structures