Super starbursts

Details Super starbursts Super starbursts

Sep 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007cxo..prop.2482g&link_type=abstract

Chandra Proposal ID #09620645

Computer Science

Chandra Proposal Id #09620645

Scientific paper

It is commonly assumed that all galaxies with X-ray luminosities above 10(42) erg/s harbour AGN, regardless of their optical spectral classification, due to the absence of starburst galaxies in the local universe above such extreme L_x. By cross-correlating the 2XMMp and SDSS DR5 catalogues we have discovered several galaxies with L_x>10(42) erg/s and no optical AGN evidence. We propose to use the superb spatial resolution of Chandra to observe three of these galaxies, to determine whether the XMM-detected emission is from a single, compact (few kpc) super starburst or a blend of components (less extreme starbursts, ULXs, superwinds) on few-arcsec scales. We will also use imaging spectroscopy to test whether these is any AGN contribution that is undetected at optical wavelengths.

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