XMM-Newton spectroscopy of high-redshift Dust Obscured Galaxies

Details XMM-Newton spectroscopy of high-redshift Dust Obscured Galaxies XMM-Newton spectroscopy of high-redshift Dust Obscured Galaxies

Oct 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010xmm..prop..171l&link_type=abstract

XMM-Newton Proposal ID #06740404

Physics

Active Galactic Nuclei, Quasars, Bl-Lac Objects, X-Ray Background, J143102.2+32515, J143102.2+32515, J143335.6+35424, J143335.6+35424

Scientific paper

A population of Dust Obscured Galaxies (DOGs; (F(24um)/F(R)>1000 and F(24um)> 1 mJy) at z>1, likely associated with an obscured phase in the quasar lifetime, has recently been revealed. Redshift distribution, broad-band photometry and bolometric luminosities of DOGs indicate that these systems may represent an early dust-embedded phase of powerful AGN activity. Due to low space density, DOGs are rarely detected even in the deepest X-ray surveys. However, low-quality X-ray spectroscopy has revealed the common presence of highly obscured AGN in their nuclei. XMM-Newton is the ideal telescope to study their largely unexplored X-ray properties. We propose here to obtain a high signal-to-noise X-ray spectrum for two unique, optically-identified DOGs from the Bootes survey.

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