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The submillimeter properties of AE Aqr

Conference contribution
Authors Ulf Torkelsson
Published in IAU Symp. 290: Feeding compact objects: Accretion on all scales, C. Zhang, T. Belloni, M. Méndez & S. Zhang (eds.)
Pages 145-148
ISBN 9781107033795
ISSN 1743-9213
Publication year 2013
Published at Department of Physics (GU)
Pages 145-148
Language en
Links journals.cambridge.org/action/displ...
Keywords cataclysmic variables, radio emission, flares
Subject categories High energy astrophysics

Abstract

AE Aqr is a cataclysmic variable consisting of a magnetised white dwarf with a spin period of 33 s, and a K-dwarf companion. Because of the rapid spin the magnetosphere of the white dwarf the matter that is flowing over from the secondary cannot accrete onto the white dwarf, and rather it is ejected from the system. AE Aqr is subject to extended flaring activity at all wavelengths from radio via optical to X-rays. I present observations of AE Aqr at 345 and 850 GHz using the LABOCA and SABOCA bolometers on APEX. These observations are good enough to distinguish individual flares at both 345 and 850 GHz, and the SABOCA observation is the first measurement of the system at 850 GHz.

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