X-ray absorption in Active Galactic Nuclei

X-ray absorption in active galaxies - Constraints on the broad-line emitting regions

X-ray absorption in Circinus X-1 in the low state

X-ray absorption in Compton-thin AGN: the predictions of a model revisited

X-ray absorption in distant type II QSOs

X-ray absorption in radio-quiet QSOS

X-ray Absorption in Radio-Quiet QSOs

X-Ray Absorption in the BL Lacertae Object PKS 0548-322

X-ray Absorption in the Interstellar Medium

X-ray absorption in the strong FeII narrow-line Seyfert 1 galaxy Mrk 507

X-ray Absorption Line Diagnostics of Quasar Outflows

X-ray Absorption Line Spectroscopy of the Galactic Hot Interstellar Medium

X-ray Absorption Lines in the Galactic Black Hole Candidate XTE J1650-500

X-ray absorption lines in the Seyfert 1 galaxy NGC 5548 discovered with Chandra-LETGS

X-ray absorption lines suggest matter infalling onto the central black-hole of Mrk 509

X-ray Absorption Spectroscopy of the Multi-phase Interstellar Medium: Oxygen and Neon Abundances

X-ray Absorption Study of the Missing Baryons

X-ray Absorption Toward Abell 2029 due to a Foreground Spiral

X-ray Absorption Towards The Einstein Ring Source PKS1830-211

X-ray absorption via K-alpha resonance complexes in oxygen ions