Physics
Scientific paper
Jul 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999hst..prop.8383k&link_type=abstract
HST Proposal ID #8383
Physics
Hst Proposal Id #8383 Agn Physics
Scientific paper
We propose to analyze archival OIIILambda5007Angstrom images of 14 Seyfert galaxies. These data will be used to complement a snapshot survey proposal to obtain narrow band OIIILambda5007Angstrom images for a well defined sample of 190 Seyfert galaxies {52 Seyfert 1s and 138 Seyfert 2s}, selected from a mostly isotropic property, the 60Mum luminosity. These data will be used: 1} to study the frequency of conically shaped Narrow Line Regions {NLR} in Seyfert galaxies, which are usually unresolved from ground- based observations and to compare the size and shape of the NLR of Seyfert 1s and Seyfert 2s; 2} to measure the orientation of the accretion disk relative to the host galaxy disk, so as to establish whether indeed the accretion disk axis avoids close alignment with the host galaxy disk axis as indicated in early studies and; 3} to compare the spatial relation between radio and NLR emission, using OIII images and radio maps of comparable resolution. We aim to provide a critical test of the applicability and limitations of the Unified Schemes that currently are the framework for understanding Seyfert galaxies and their luminous counterparts, AGN.
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