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Polarization in soft x-ray intermediate polars

Katajainen, S.; Lehto, H.J.; Piirola, V.; Norton, A.J.; Butters, O. and Berdyugin, A. (2010). Polarization in soft x-ray intermediate polars. In: Binaries - Key to Comprehension of the Universe, 8-12 Jun 2009, Brno, Czech Republic.

URL: http://astro.physics.muni.cz/binkey/
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Abstract

The evolutionary connection between polars and intermediate polars (IPs) is not yet well established. Soft X-ray IPs are good candidates for progenitors of polars, but their magnetic field strengths are poorly constrained. Only a handful of them are known to be circularly polarized and converting polarized fractions into magnetic field strengths is problematic, so it is still unclear whether they are of comparable magnetic field strength to polars or not. We have performed a polarimetric survey for a sample of Soft X-ray IPs. Results provide evidences that some IPs have comparable magnetic field strengths to some polars and can hence evolve from one to the other as their orbital period decreases and synchronism is achieved.

Item Type: Conference or Workshop Item
Copyright Holders: Astronomical Society of the Pacific
Extra Information: Published in 'Binaries - Key to Comprehension of the Universe: Proceedings of a Conference held at Brno, Czech Republic, 8-12 June 2009', edited by Andrej Prsa and Miloslav Zejda, Astronomical Society of the Pacific Conference Series, vol.435, p.237-240 (ISBN 978-1-58381-750-6)
Academic Unit/School: Faculty of Science, Technology, Engineering and Mathematics (STEM) > Physical Sciences
Faculty of Science, Technology, Engineering and Mathematics (STEM)
Item ID: 28646
Depositing User: Andrew Norton
Date Deposited: 26 Apr 2011 15:00
Last Modified: 07 Dec 2018 09:53
URI: http://oro.open.ac.uk/id/eprint/28646
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