The Nature of the ``COMPOSITE'' Star-Forming Galaxies

Details The Nature of the ``COMPOSITE'' Star-Forming Galaxies The Nature of the ``COMPOSITE'' Star-Forming Galaxies

Sep 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002cxo..prop.1270w&link_type=abstract

Chandra Proposal ID #04700422

Computer Science

Chandra Proposal Id #04700422

Scientific paper

An enigmatic class of IR and X-ray luminous sources, named ``Composite'' starburst/Seyfert galaxies, (Moran et al. 1996) have optical spectra dominated by the features of HII galaxies (plus, in some cases, weak Seyfert signatures) but X-ray properties typical of Seyferts. The true nature of this class of objects is still unknown. A detailed Chandra investigation of the class is necessary. We propose to study the starburst component in NGC 7679, a very bright Composite discovered by Della Ceca et al. (2001), for which we already have studied the nuclear X-ray properties with ASCA and BeppoSAX. Four additional fainter galaxies from the Moran sample will be investigated to determine detailed X-ray properties, including the presence of a nucleus, of high absorption and of starburst features.

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