A spectropolarimetric atlas of Seyfert 1 galaxies

A spectropolarimetric atlas of Seyfert 1 galaxies

We present optical spectropolarimetry of the nuclei of 36 Seyfert 1 galaxies, obtained with the William Herschel and the Anglo-Australian Telescopes from 1996 to 1999. In 20 of these, the optical emission from the active nucleus is intrinsically polarized. We have measured a significant level of pol...

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Veröffentlicht in:Monthly notices of the Royal Astronomical Society 2002-09, Vol.335 (3), p.773-798
Hauptverfasser: Smith, J. E., Young, S., Robinson, A., Corbett, E. A., Giannuzzo, M. E., Axon, D. J., Hough, J. H.
Format: Artikel
Sprache:eng
Schlagworte:
galaxies: active
galaxies: Seyfert
polarization
scattering
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Zusammenfassung:We present optical spectropolarimetry of the nuclei of 36 Seyfert 1 galaxies, obtained with the William Herschel and the Anglo-Australian Telescopes from 1996 to 1999. In 20 of these, the optical emission from the active nucleus is intrinsically polarized. We have measured a significant level of polarization in a further seven objects but these may be heavily contaminated by Galactic interstellar polarization. The intrinsically polarized Seyfert 1 galaxies exhibit a variety of characteristics, with the average polarization ranging from
ISSN:0035-8711
1365-2966
DOI:10.1046/j.1365-8711.2002.05665.x