The most extreme starburst galaxies?

Details The most extreme starburst galaxies? The most extreme starburst galaxies?

Oct 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006xmm..prop..214r&link_type=abstract

XMM-Newton Proposal ID #05059303

Computer Science

Galaxies, Galactic Surveys, 2Xmmp J140052.6, 2Xmmp J082042.5, Xmm-Newton Proposal 05059303

Scientific paper

It is commonly assumed that all galaxies with X-ray luminosities above about 10^42 erg/s harbour AGN, regardless of their optical spectrum, due to the absence of starburst galaxies in the local universe reaching such extreme luminosities. Here, we propose obtaining deep XMM-Newton EPIC observations of three extremely X-ray luminous starburst galaxies (L(X) above 10^42 erg/s), newly-discovered in a cross-correlation of the 2XMMp and SDSS DR5 catalogues. We will obtain X-ray data with sufficient quality to disentangle their potentially complex spectra, and hence reveal whether they really are powered by hidden AGN, or are the true high X-ray luminosity pinnacle of the starburst galaxy population.

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