γ-ray spectroscopy in Mars orbit during solar proton events
X-ray, γ-ray and neutron detector development for future space instrumentation
X-ray spectroscopy and variability of AGN detected in the 2 Ms Chandra Deep Field-North Survey
X-ray pulsars/Doppler integrated navigation for Mars final approach
X-ray pulsar-based navigation using time-differenced measurement
X-ray pulsar-based GNC system for formation flying in high Earth orbits
X-ray measurements of the dark matter distribution in clusters of galaxies with Chandra
X-ray lines and absorption edges in GRBS and their afterglows
X-ray flares from late internal and late external shocks
X-ray emission of young SN Ia remnants as a probe for an explosion model
X-ray broad line emission in Seyfert galaxies: Mrk 766 and NGC 4051