Probing the Nuclear Geometry of the Most Luminous Galaxy in the Local Universe with Chandra

Details Probing the Nuclear Geometry of the Most Luminous Galaxy in the Local Universe with Chandra Probing the Nuclear Geometry of the Most Luminous Galaxy in the Local Universe with Chandra

Sep 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002cxo..prop.1276g&link_type=abstract

Chandra Proposal ID #04700543

Physics

Chandra Proposal Id #04700543

Scientific paper

Markarian 231, an ultraluminous infrared galaxy, hosts both a luminous broad absorption line QSO and an active starburst. During our previous ACIS-S3 observation, Mrk 231 demonstrated significant nuclear variability, indicating that Chandra had probed within light hours of the central black hole. We propose an additional three 40 ks observations of Mrk 231 strategically spaced to test our hypothesis that multiple scattered and absorbed lines of sight combine to account for the nuclear X-ray spectrum. In addition, these observations will allow us to investigate further the spatial and spectral structure of the extended galaxy. This remarkable, nearby galaxy offers us the opportunity to examine in detail phenomena more likely typical of the early universe.

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