Probing the Assembly of Massive Galaxies via Quasar Hosts at z=4

Details Probing the Assembly of Massive Galaxies via Quasar Hosts at z=4 Probing the Assembly of Massive Galaxies via Quasar Hosts at z=4

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...209.7212m&link_type=abstract

2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, #72.12; Bulletin of the American Astronomical Society, V

Astronomy and Astrophysics

Astronomy

Scientific paper

We have undertaken a project to investigate the host galaxies and environments of quasars at z 4. These objects already contain supermassive black holes at early times and are destined to evolve into today's largest spheroids. They thus provide excellent leverage for tests of hierarchical models of galaxy formation. In this paper, we present deep, near-IR images of 34 such quasars observed with the Magellan I and Gemini North telescopes. We describe the search for host galaxies via 1and 2-D PSF fits, and we use the results to constrain the black hole/bulge relation at z=4.
We gratefully acknowledge support from NSF-REU grant AST-0353997 to the Keck Northeast Astronomy Consortium; the Wellesley College Science Center; and Theresa Mall Mullarkey.

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