Journal Article

CC Sculptoris: A superhumping intermediate polar

P. A. Woudt, B. Warner, A. Gulbis, R. Coppejans, F.-J. Hambsch, A. P. Beardmore, P. A. Evans, J. P. Osborne, K. L. Page, G. A. Wynn and K. van der Heyden

in Monthly Notices of the Royal Astronomical Society

Published on behalf of The Royal Astronomical Society

Volume 427, issue 2, pages 1004-1013
Published in print December 2012 | ISSN: 0035-8711
Published online December 2012 | e-ISSN: 1365-2966 | DOI: http://dx.doi.org/10.1111/j.1365-2966.2012.22010.x
CC Sculptoris: A superhumping intermediate polar

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We present high-speed optical, spectroscopic and Swift X-ray observations made during the dwarf nova superoutburst of CC Scl in 2011 November. An orbital period of 1.383 h and superhump period of 1.443 h were measured, but the principal new finding is that CC Scl is a previously unrecognized intermediate polar, with a white dwarf spin period of 389.49 s which is seen in both optical and Swift X-ray light curves only during the outburst. In this it closely resembles the old nova GK Per, but unlike the latter has one of the shortest orbital periods among intermediate polars.

Keywords: binaries: close; stars: individual: CC Scl; novae, cataclysmic variables; stars: oscillations

Journal Article.  6452 words.  Illustrated.

Subjects: Astronomy and Astrophysics

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