X-ray emission from optical novae in M 31

X-ray Emission from Optically Selected Radio-Intermediate and Radio-Loud Quasars

X-ray Emission from Orion Nebula Cluster Stars with Circumstellar Disks and Jets

X-ray Emission from Planetary Nebulae and their Central Stars: a Status Report

X-Ray Emission from Planetary Nebulae Calculated by 1D Spherical Numerical Simulations

X-ray emission from Planetary Nebulae. I. Spherically symmetric numerical simulations

X-ray emission from protostars

X-ray emission from protostellar jet HH 154: the first evidence of a diamond shock?

X-ray emission from PSR B1800-21, its wind nebula, and similar systems

X-ray emission from PSR J1809-1917 and its pulsar wind nebula, possibly associated with the TeV gamma-ray source HESS J1809-193

X-ray emission from radiative shocks in Type II supernovae

X-ray emission from radio pulsar winds

X-ray emission from radio-quiet quasars in the SDSS Early Data Release. The alpha_ox dependence upon UV luminosity

X-Ray Emission from Rich Clusters of Galaxies

X-Ray Emission from Rotating Elliptical Galaxies

X-ray emission from Saturn

X-Ray Emission from SCO X-1

X-ray emission from Seyfert 1 galaxies and quasars.

X-ray emission from Seyfert 2 galaxies with optical polarized broad lines

X-ray emission from single magnetic early-type stars