A Chandra HETGS & HST view of the Warm and Lukewarm absorbers in IRAS13349+2438

Details A Chandra HETGS & HST view of the Warm and Lukewarm absorbers in IRAS13349+2438 A Chandra HETGS & HST view of the Warm and Lukewarm absorbers in IRAS13349+2438

Jul 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003hst..prop10088l&link_type=abstract

HST Proposal ID #10088

Physics

Hst Proposal Id #10088 Agn/Quasars

Scientific paper

We propose a 300 ks HETGS observation simultaneous with a 4-orbit HST {UV} observation to study the archetypal infrared quasar IRAS13349+2438. We will explore its enigmatic properties and search for signatures of embedded dust {implicated by the high extinction} in the warm absorber clouds of this object. We will plan to propose for simultaneous optical observations to be taken using the 6.5-m Magellan telescope {through the PI host institution}. The X-ray spectra will give unprecedented high- resolution information for this source necessary for probing in detail the physical properties, chemical compositions and velocities of the material surrounding the AGN. We will additionally assess the `unresolved transition array' {UTA} reported for this object, and search for and measure the neutral Fe L edge seen in a similarly reddened AGN. This will be complemented with simultaneous HST UV spectra to determine the continuum shape and to assess whether the UV/X-ray absorbers in this system are related. The Chandra data will also allow us to look for narrow features at >2 keV. Such a broad waveband study of this object will enable us to obtain a complete picture of the geometry and physics of the system, as well as the physical processes which are responsible for the variability in the absorber.

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