XMM-Newton Proposal 02019401

Physics

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Ton 1388, Xmm-Newton Proposal 02019401

Scientific paper

We propose to observe the Seyfert 1 galaxy Ton 1388 for 130 ks. This source shows 16 Lyalpha absorbers with a redshift between 0.01639 and 0.17366 along the line of sight. A Chandra LETGS observation showed evidence for the X-ray detection of three of these Lyalpha absorbers. With the proposed observation we will confirm these three detections, and place tight upper limits to the column densities of the remaining 13 Lyalpha absorbers. The RGS spectra will allow us to characterize the Warm-Hot Intergalactic Medium along the line of sight, obtaining total column densities, the dominant ionization process: collisional or photionization, and CNO abundances.

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