New Constraints on the Broad Line Region

Details New Constraints on the Broad Line Region New Constraints on the Broad Line Region

Jan 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21940302f&link_type=abstract

American Astronomical Society, AAS Meeting #219, #403.02

Physics

Scientific paper

We highlight recent advances in Gravitational Microlensing and Photoionization modelling that are beginning to resolve the structure and physics of the central engine in quasars. While quasar accretion disks and broad line regions will remain well beyond the resolution limits of our telescopes for the foreseeable future, microlensing provides us with effective resolutions micro-arcseconds, sufficient to study their structure. New photoionization modelling that fully accounts for the structure of the hydrogen atom allows individual quasar spectra to place strong constraints on the physical conditions in their broad line regions. I present application of these methods to IRTF, Gemini and VLT spectra.

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