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2003MNRAS.338..165V - Mon. Not. R. Astron. Soc., 338, 165 (2003/January-1)
The disc evolution of V2051 Oph on decline from superoutburst.
VRIELMANN S. and OFFUTT W.
Abstract (from CDS):
While in some maps the brightness temperature follows the steady-state model, in others the temperature profile shows flattenings and/or an indication of an inward travelling cooling front with a speed of approximately -0.12km.s–1, possibly a reflected heating front with a speed of +1.8km.s–1 and a newly reflected cooling front with the same speed as the first. Such a scenario has been predicted but has not been observed before. Furthermore, we see a prograde precession of the enlarged disc with a precession period of about 52.5 h in very good agreement with the independently determined superhump period observed by Kiyota and Kato. At the same time, the uneclipsed component - presumably a disc wind - decreases significantly in strength during decline from superoutburst.
Abstract Copyright: RAS
Journal keyword(s): accretion, accretion discs - binaries: eclipsing - stars: individual: V2051 Oph - novae, cataclysmic variables
Simbad objects: 11
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