Infrared Imaging of SDSS Quasars: Implications for Quasar Evolution

Details Infrared Imaging of SDSS Quasars: Implications for Quasar Evolution Infrared Imaging of SDSS Quasars: Implications for Quasar Evolution

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aspc..379..304k&link_type=abstract

Cosmic Frontiers ASP Conference Series, Vol. 379, proceedings of the conference held 31 July-4 August 2006 at Durham University,

Computer Science

Scientific paper

We report near-infrared SQIID photometry of 45 SDSS quasars ranging in redshifts from 1.867 to 4.250. Combining our JHK_s photometry with reported optical magnitudes, we model the spectral energy distribution as a power law of the form f_ν ∝ ν^α and compute α for each quasar. We discuss the change in α with redshift and possible implications for quasar evolution.

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