X-RAY VARIABILITY STUDY OF POLAR SCATTERED SEYFERT1 GALAXIES

Authors

  • Tobias Beuchert Dr. Karl Remeis-Observatory, Universität Erlangen-Nürnberg & ECAP, Sternwartstrasse 7, 96049 Bamberg
  • Jörn Wilms Dr. Karl Remeis-Observatory, Universität Erlangen-Nürnberg & ECAP, Sternwartstrasse 7, 96049 Bamberg
  • Matthias Kadler Lehrstuhl für Astronomie, Universität Würzburg, Campus Hubland Nord, Emil-Fischer-Straße 31, 97074 Würzburg
  • Anna Lia Longinotti European Space Astronomy Centre of ESA, PO Box 78, Villanueva de la Cañada, 28691 Madrid
  • Matteo Guainazzi European Space Astronomy Centre of ESA, PO Box 78, Villanueva de la Cañada, 28691 Madrid
  • Giovanni Miniutti Centro de Astrobiología (CSIC-INTA), Dep. de Astrofísica; ESAC, PO Box 78, E-28691 Villanueva de la Cañada, Madrid
  • Ignacio de la Calle European Space Astronomy Centre of ESA, PO Box 78, Villanueva de la Cañada, 28691 Madrid

DOI:

https://doi.org/10.14311/AP.2014.54.0266

Abstract

We study 12 Seyfert 1 galaxies with a high level of optical polarization. Optical light emerging from the innermost regions is predominantly scattered in a polar region above the central engine directly in our line of sight. These sources show characteristics of Seyfert 2 galaxies, e.g. polarized broad lines. The polarization signatures suggest a viewing angle of 45°, classifying them as intermediate Seyfert 1/2 types. The unified model predicts this line of sight to pass through the outer layer of the torus resulting in significant soft X-ray variability due to a strongly varying column density. The aim is to find evidence for this geometrical assumption in the spectral variability of all available historical observations of these sources by XMM-Newton and Swift.

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Published

2014-08-31

Issue

Vol. 54 No. 4 (2014)

Section

Articles

How to Cite

Beuchert, T., Wilms, J., Kadler, M., Longinotti, A. L., Guainazzi, M., Miniutti, G., & de la Calle, I. (2014). X-RAY VARIABILITY STUDY OF POLAR SCATTERED SEYFERT1 GALAXIES. Acta Polytechnica, 54(4), 266-270. https://doi.org/10.14311/AP.2014.54.0266
Received 2014-08-27
Accepted 2014-08-27
Published 2014-08-31