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Probing Broad Line Regions Of Active Galactic Nuclei, Champika Sandamali Weerasooriya
Probing Broad Line Regions Of Active Galactic Nuclei, Champika Sandamali Weerasooriya
UNLV Theses, Dissertations, Professional Papers, and Capstones
The broad line regions (BLR) of Type I Active galactic nuclei (AGN) are too small to be spatially resolved even with the most powerful telescopes available. Observations suggest that BLR gas is moving under the influence of the gravitational potential of the central supermassive black-hole (SMBH) and responds to the variations in the ionizing continuum flux of the accretion disk, giving rise to broad emission line variations with a time delay. Reverberation mapping campaigns seek to use this time variability to resolve the BLRs in the time domain instead of spatial domain, providing a way to infer geometry and kinematics …