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ASCA, RXTE, EUVE, and optical observations of the high magnetic field cataclysmic variable AR Ursae Majoris

Szkody, Paula; Vennes, Stephane; Schmidt, Gary Dean; Wagner, R; Fried, R; Shafter, A; Fierce, E


The highest field polar AR UMa was observed with ASCA during a low state, and with simultaneous EUVE, RXTE, and ground-based optical photometry during a high state. The marginal detection at the low state places a limit on the hard X-ray emission, which is a factor of 5 below the high-state flux limit. The high-state EUV light curves are highly modulated with peak flux at phase 0.9, but the flux never entirely disappears, implying some view of a heated area at all times of the orbit. The...[Show more]

CollectionsANU Research Publications
Date published: 1999
Type: Journal article
Source: Astrophysical Journal, The


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