Astronomy and Astrophysics – Astrophysics
Scientific paper
May 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992aipc..254..504t&link_type=abstract
In: Testing the AGN paradigm; Proceedings of the 2nd Annual Topical Astrophysics Conference, Univ. of Maryland, College Park, Oc
Astronomy and Astrophysics
Astrophysics
3
Active Galactic Nuclei, Polarimetry, Radio Occultation, Seyfert Galaxies, Spectral Line Width, Spectrographs, Charge Coupled Devices, Emission Spectra, H Alpha Line, H Beta Line, Line Of Sight
Scientific paper
Spectropolarimetric observations of the nuclei of four Seyfert 2 galaxies (Mrk 477, Mrk 1210, NGC 7212, and Was 49b) are reported. Preliminary analysis shows clear evidence for broad components of H-alpha and H-beta emission lines in the polarized flux spectra of these objects. It is suggested that the polarization of the four objects arises from scattering of electron and/or dust clouds outside the obscured BLR, but within the NLR. The detection of the hidden Seyfert 1-type nuclei within these Seyfert 2 galaxies significantly increases the total number of known objects of this type, and supports the obscuration/reflection model of the unified Seyfert schemes.
Kay Laura E.
Tran Hien D.
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