Presentation Transcript
Slide 1:by Eleanor Nolan
MSc. in Astronomy
National University of Ireland, Galway
Florida Institute of Technology, Melbourne, Florida Numerical Simulations of Superhumps in Cataclysmic Variables
Slide 2:Introduction –What is a CV? Binary System with
White Dwarf
Roche Lobe filling Secondary
Mass Transfer
Accretion Stream
Accretion Disk
Bright Spot
Slide 3:Systems with
0.02 ≥ q ≤ 0.25
Constant High Mass Transfer Rates
High Viscosity
AM CVns and nova-likes Superhumps
SPH Code :Lagrangian Fluid Method:
Viscosity
Mass Ratio
Particle Size
Disk Temperature
Disk Inclination
Ray Trace:
No. of Particles SPH Code
Slide 5:Numerical Simulations of an Accretion Disk CV reference library
Emission Line Profiles
Trailed Spectrograms
Light Curves
Results :Results Emission Line Profiles Light Curve
Trailed Spectrograms :Trailed Spectrograms
Results : SW Sex Star :Results : SW Sex Star
Florida Antics :Florida Antics
Acknowledgements :Science Faculty Funding
FAS
Professor Mike Redfern, NUIG
Dr. Matt Wood, FIT Acknowledgements