The UV delay in dwarf novae
- 11 June 1997
- journal article
- Published by Oxford University Press (OUP) in Monthly Notices of the Royal Astronomical Society
- Vol. 288 (1) , L16-L18
- https://doi.org/10.1093/mnras/288.1.l16
Abstract
I show that irradiation by the white dwarf truncates the quiescent accretion discs in dwarf novae outside the radius of this star, leaving only a hot-state disc region of very low surface density within this radius. This causes the delay in the ultraviolet rise in outburst, and the absence of a steady boundary layer in quiescence. I discuss the quiescent ultraviolet and X-ray emission of these systems.Keywords
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