Studies in Flickering

  • W. F. Welsh
  • Janet H. Wood
  • K. Horne
Part of the Astrophysics and Space Science Library book series (ASSL, volume 208)


Flickering is a poorly understood phenomenon associated with accretion processes, but this does not suffice to make it interesting. Why then should we bother studying this ‘noise’? Three reasons come to mind: (i) flickering is a fundamental signature of accretion, to the point of being a necessary characteristic (if it doesn’t flicker, it’s not a CV); (ii) energetically, flickering is not a small effect and can contribute up to a few tens of percent of the total luminosity of the system (hence it is often more luminous than the entire secondary star); (iii) flickering is inherently a time—dependent phenomenon and it is hoped that it can provide clues to the nature of the disc viscosity, something that time—independent theory cannot provide.


Light Curve Accretion Disc Light Curf White Dwarf Orbital Phase 
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Copyright information

© Kluwer Academic Publishers 1996

Authors and Affiliations

  • W. F. Welsh
    • 1
  • Janet H. Wood
    • 1
  • K. Horne
    • 2
  1. 1.Keele UniversityUK
  2. 2.University of St. AndrewsUK

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