Unveiling the engine powering OH Gigamaser sources through X-rays. A well-defined Chandra survey

Details Unveiling the engine powering OH Gigamaser sources through X-rays. A well-defined Chandra survey Unveiling the engine powering OH Gigamaser sources through X-rays. A well-defined Chandra survey

Sep 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003cxo..prop.1508v&link_type=abstract

Chandra Proposal ID #05700262

Computer Science

Chandra Proposal Id #05700262

Scientific paper

We propose snapshot ACIS-S observations of a well-defined sample of 19 OH gigamaser sources (OHGs) with z~0.12-0.27 and far-infrared luminosities exceeding 10^11 L_Sun. These observations will determine the nature of the sources powering OHGs by allowing the best possible discrimination between AGN and starburst emission; such discrimination is difficult at longer wavelengths. Given that OHG activity occurs in dense galactic environments, these observations will also be used to constrain intrinsic absorption via band-ratio analyses as well as individual and joint X-ray spectral fitting. We will make comparisons with samples of luminous infrared non-OHG galaxies and utilize these snapshot observations to plan future detailed X-ray spectral observations with XMM-Newton.

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