Other
Scientific paper
Jul 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007hst..prop11243c&link_type=abstract
HST Proposal ID #11243. Cycle 16
Other
Scientific paper
We will determine the inclinations of the AGN in 36 Seyfert galaxies with STIS G430M and/or G430L long-slit spectra, by measuring radial velocities as a function of position in their narrow-line regions NLRs and generating kinematic models to match the observed radial velocities. Our previous studies of three Seyfert galaxies with STIS show that the kinematics of their NLRs are dominated by radial outflow, and that simple biconical outflow models can be used to derive the inclination of the bicone axis, and hence the obscuring torus, with respect to our line of sight. The inclinations will be compared with those from other techniques water masers, broad Fe K-alpha profiles to test for discrepancies and identify possible misalignments between the accretion disk, torus, and/or host galaxy. More importantly, our results will provide the foundation for future studies that investigate the dependence of observed properties e.g., SEDs, absorbing columns, broad-line widths on inclination, which is vital for understanding the physics of AGN.;
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