Are Narrow-Line Seyfert 1 Galaxies Viewed Pole-on?

Details Are Narrow-Line Seyfert 1 Galaxies Viewed Pole-on? Are Narrow-Line Seyfert 1 Galaxies Viewed Pole-on?

Jul 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008hst..prop11611c&link_type=abstract

HST Proposal ID #11611. Cycle 17

Physics

Scientific paper

We will obtain spatially resolved spectra of 3 Narrow-Line Seyfert 1 galaxies {NLS1s} with the STIS G430M grating centered on the bright [O III] emission lines. We will measure the radial velocities of the [O III] lines across the narrow-line regions of these AGN and determine the inclinations of their torus/accretion-disk axes via our kinematic models. Our goal is to answer the following question: are NLS1s viewed pole-on? If so, then the narrow widths of their permitted lines may be due to geometric effects, rather than low black hole masses and correspondingly high Eddington ratios as indicated by the currently popular paradigm for NLS1s.;

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