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Simultaneous Stokes Imaging and Doppler tomography of MCVs

Published online by Cambridge University Press:  12 April 2016

Stephen Potter ,
Encarni Romero-Colmenero ,
David Buckley  and
Derren Wood
Stephen Potter
Affiliation:
South African Astronomical Observatory, PO Box 9, Observatory 7935, Cape Town, South Africa
Encarni Romero-Colmenero
Affiliation:
South African Astronomical Observatory, PO Box 9, Observatory 7935, Cape Town, South Africa
David Buckley
Affiliation:
SALT/South African Astronomical Observatory, PO Box 9, Observatory 7935, Cape Town, South Africa
Derren Wood
Affiliation:
Dept. of Mechanical Engineering, University of Pretoria, Pretoria, 0002, South Africa

Abstract

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Stokes imaging uses polarimetric observations in order to image indirectly the accretion region on the surface of the white dwarf in magnetic cataclysmic variables (MCVs). Doppler tomography uses spectroscopic observations in order to gain insights into the velocity dynamics of the secondary star, and the ballistic and magnetically confined parts of the accretion stream. Until now, both of these techniques have been applied separately. We present and compare the results of applying both techniques to simultaneous spectroscopic and polarimetric observations of MCVs.

Type
Part 2. Magnetic Fields
Information
International Astronomical Union Colloquium , Volume 190: Magnetic Cataclysmic Variables , 2004 , pp. 78 - 84
Copyright
Copyright © Astronomical Society of the Pacific 2004

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