On Detecting the X–ray Silhouette of a Damped Lyα System

Abstract

We explore the possibility of resolving an image of a damped Lyα (DLA) system in absorption against an extended, diffuse background X–ray source. Typical columns of neutral hydrogen in DLA systems are high enough to block out up to ∼ 30% of the soft X–ray flux at an observed photon energy of 0.5 keV, and we find that ∼ 1% of the area of extended X–ray… (More)

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@inproceedings{Dijkstra2005OnDT, title={On Detecting the X–ray Silhouette of a Damped Lyα System}, author={Mark Dijkstra}, year={2005} }