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Multi-epoch spectroscopy, photometry and polarimetry of the polar UW Pic

Published online by Cambridge University Press:  12 April 2016

E. Romero-Colmenero ,
S. B. Potter ,
D. A. H. Buckley ,
P. E. Barrett  and
S. Vrielmann
E. Romero-Colmenero
Affiliation:
South African Astronomical Observatory, P.O. Box 9, Observatory, 7935, South Africa
S. B. Potter
Affiliation:
South African Astronomical Observatory, P.O. Box 9, Observatory, 7935, South Africa
D. A. H. Buckley
Affiliation:
South African Astronomical Observatory, P.O. Box 9, Observatory, 7935, South Africa
P. E. Barrett
Affiliation:
Space Telescope Science Institute, ESS/SSG, 3700 San Martin Drive, Baltimore, MD 21218
S. Vrielmann
Affiliation:
Department of Astronomy, University of Cape Town, Private Bag, Rondebosch, 7700, South Africa

Abstract

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Our multi-epoch observations show that UW Pic undergoes very pronounced changes in accretion geometry. We explain our observations in terms of changing accretion rates of UW Pic coupled with a particular orientation of the system to the observer.

Type
Part 3. A. Accretion Plasma diagnostics - Observations
Information
International Astronomical Union Colloquium , Volume 190: Magnetic Cataclysmic Variables , 2004 , pp. 180 - 181
Copyright
Copyright © Astronomical Society of the Pacific 2004

References

RomeroColenero, E., Potter, S. B., Buckley, D. A. H., Barrett, P. E. & Vriel-mann, S., 2003, MNRAS, 339, 685 CrossRefGoogle Scholar