Other
Scientific paper
Jul 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000hst..prop.8598s&link_type=abstract
HST Proposal ID #8598
Other
Hst Proposal Id #8598 Agn/Quasars
Scientific paper
We propose a snapshot survey of narrow band OIIILambda5007Angstrom images for a well defined sample of 88 Seyfert galaxies {29 Seyfert 1s and 59 Seyfert 2s}, 18 of which already have data in the archive, selected from a mostly isotropic property, the 60Mum flux. These data will be used: 1} to determine the origin of the misalignment between the accretion disk axis and the host galaxy plane axis, which can be due to mergers with other galaxies, or by the self induced radiation warping; 2} to compare the size and shape of the NLR of Seyfert 1s and Seyfert 2s, and to study the frequency of conically shaped Narrow Line Regions {NLR} in Seyfert galaxies, which are usually unresolved from ground-based observations; 3} estimate the importance of shocks to the ionization of the NLR. 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.
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