Intrinsic Absorption Lines in Seyfert 1 Galaxies Observations

Details Intrinsic Absorption Lines in Seyfert 1 Galaxies Observations Intrinsic Absorption Lines in Seyfert 1 Galaxies Observations

Jul 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000hst..prop.8479k&link_type=abstract

HST Proposal ID #8479

Physics

Hst Proposal Id #8479

Scientific paper

The origin of the intrinsic absorption lines in the UV spectra of Seyfert 1 galaxies and their connection to the emission-line and X-ray absorption regions will be investigated. STIS observations in the medium resolution echelle modes will be obtained over the entire UV spectral range for three Seyfert 1 galaxies that are known to exhibit intrinsic absorption lines: NGC 5548, NGC 3516, and NGC 3783. Accurate column densities, covering factors, and velocity profiles will be used to understand the origin of these enigmatic absorption features. Low-resolution spectra of NGC 3227 will also be obtained to look for low ionization absorption.

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