1. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011

2. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011

3. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011

4. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary

5. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary

6. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary Overfilling Roche Lobe

7. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary Overfilling Roche Lobe Mass Transfer

8. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary Overfilling Roche Lobe Mass Transfer

9. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary Overfilling Roche Lobe Mass Transfer Accretion disc

10. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary Overfilling Roche Lobe Mass Transfer Accretion disc

11. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary Overfilling Roche Lobe Mass Transfer Accretion disc

12. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary Overfilling Roche Lobe Mass Transfer Accretion discVariability

13. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary Overfilling Roche Lobe Mass Transfer Accretion discVariability

14. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary Overfilling Roche Lobe Mass Transfer Accretion discVariability

15. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary Overfilling Roche Lobe Mass Transfer Accretion disc Dwarf Nova Oscillations Variability

16. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary Overfilling Roche Lobe Mass Transfer Accretion discVariability

17. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary Overfilling Roche Lobe Mass Transfer Accretion discVariability Ṁ 2 < Ṁ 1

18. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary Overfilling Roche Lobe Mass Transfer Accretion discVariability Ṁ 2 < Ṁ 1

19. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary Overfilling Roche Lobe Mass Transfer Accretion discVariability Ṁ 2 < Ṁ 1 ρ

20. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary Overfilling Roche Lobe Mass Transfer Accretion discVariability Ṁ 2 < Ṁ 1 ρ until

21. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary Overfilling Roche Lobe Mass Transfer Accretion discVariability Ṁ 2 < Ṁ 1 ρ until.

22. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary Overfilling Roche Lobe Mass Transfer Accretion discVariability Ṁ 2 < Ṁ 1 ρ until..

23. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary Overfilling Roche Lobe Mass Transfer Accretion discVariability Ṁ 2 < Ṁ 1 ρ until...

24. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary Overfilling Roche Lobe Mass Transfer Accretion discVariability Ṁ 2 < Ṁ 1 ρ until...gas phase change

25. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary Overfilling Roche Lobe Mass Transfer Accretion discVariability Ṁ 2 < Ṁ 1 ρ until...gas phase change

26. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary Overfilling Roche Lobe Mass Transfer Accretion discVariability Ṁ 2 < Ṁ 1 ρ until...gas phase change T, μ

27. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary Overfilling Roche Lobe Mass Transfer Accretion discVariability Ṁ 2 < Ṁ 1 ρ until...gas phase change μ

28. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary Overfilling Roche Lobe Mass Transfer Accretion discVariability Ṁ 2 < Ṁ 1 ρ until...gas phase change μ “Cataclysmic”

29. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary Overfilling Roche Lobe Mass Transfer Accretion discVariability Ṁ 2 < Ṁ 1 ρ until...gas phase change μ “Cataclysmic”

30. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary Overfilling Roche Lobe Mass Transfer Accretion discVariability

31. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary Overfilling Roche Lobe Mass Transfer Accretion disc Dwarf Nova Oscillations Variability

32. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary Overfilling Roche Lobe Mass Transfer Accretion disc Dwarf Nova Oscillations Variability

33. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary Overfilling Roche Lobe Mass Transfer Accretion disc Dwarf Nova Oscillations Variability

34. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary Overfilling Roche Lobe Mass Transfer Accretion disc Dwarf Nova Oscillations Variability Seen in optical through X-ray

35. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary Overfilling Roche Lobe Mass Transfer Accretion disc Dwarf Nova Oscillations Variability Seen in optical through X-ray P DNO ∼ 5 - 40 s

36. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary Overfilling Roche Lobe Mass Transfer Accretion disc Dwarf Nova Oscillations Variability Seen in optical through X-ray P DNO ∼ 5 - 40 s 10 3 ≲ |Ṗ DNO | -1 ≲ 10 7

37. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary Overfilling Roche Lobe Mass Transfer Accretion disc Dwarf Nova Oscillations Variability Seen in optical through X-ray P DNO ∼ 5 - 40 s 10 3 ≲ |Ṗ DNO | -1 ≲ 10 7

38. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary Overfilling Roche Lobe Mass Transfer Accretion disc Dwarf Nova Oscillations Variability

39. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary Overfilling Roche Lobe Mass Transfer Accretion disc Dwarf Nova Oscillations Variability Quasi-Periodic Oscillations

40. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary Overfilling Roche Lobe Mass Transfer Accretion disc Dwarf Nova Oscillations Variability Quasi-Periodic Oscillations

41. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary Overfilling Roche Lobe Mass Transfer Accretion disc Dwarf Nova Oscillations Variability Quasi-Periodic Oscillations Seen in optical through X-ray

42. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary Overfilling Roche Lobe Mass Transfer Accretion disc Dwarf Nova Oscillations Variability Quasi-Periodic Oscillations Seen in optical through X-ray P DNO ∼ 30 - 600 s

43. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary Overfilling Roche Lobe Mass Transfer Accretion disc Dwarf Nova Oscillations Variability Quasi-Periodic Oscillations Seen in optical through X-ray P DNO ∼ 30 - 600 s 5 ≲ |Ṗ DNO | -1 ≲ 20

44. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary Overfilling Roche Lobe Mass Transfer Accretion disc Dwarf Nova Oscillations Variability Quasi-Periodic Oscillations FT

45. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary Overfilling Roche Lobe Mass Transfer Accretion disc Dwarf Nova Oscillations Variability Quasi-Periodic Oscillations FT

46. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary Overfilling Roche Lobe Mass Transfer Accretion disc Dwarf Nova Oscillations Variability Quasi-Periodic Oscillations FT

47. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary Overfilling Roche Lobe Mass Transfer Accretion disc Dwarf Nova Oscillations Variability Quasi-Periodic Oscillations

48. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary Overfilling Roche Lobe Mass Transfer Accretion discVariability

49. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary Overfilling Roche Lobe Mass Transfer Accretion discVariability

50. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary Overfilling Roche Lobe Mass Transfer Accretion discVariability

51. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary Overfilling Roche Lobe Mass Transfer Accretion discVariability ?

52. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary Overfilling Roche Lobe Mass Transfer Accretion discVariability ?

53. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary Overfilling Roche Lobe Mass Transfer Accretion discVariability ?

54. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary Overfilling Roche Lobe Mass Transfer Accretion discVariability ?

55. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary Overfilling Roche Lobe Mass Transfer Accretion discVariability ? “Judge a man by his questions rather than by his answers.” - Pierre-Marc-Gaston, duc de Lévis (1764-1830) Maximes et réflexions sur différents sujets de morale et de politique (Paris, 1808)

56. A study of DNOs and QPOs in Cataclysmic Variable stars Hannes Breytenbach ♋, Brian Warner, Patrick Woudt University of Cape Town ♋ author email: johbenbrey@gmail.com SKA Postgraduate Bursary Conference 2011 Binary WD primary + MS secondary Overfilling Roche Lobe Mass Transfer Accretion discVariability ? Thank you! “Judge a man by his questions rather than by his answers.” - Pierre-Marc-Gaston, duc de Lévis (1764-1830) Maximes et réflexions sur différents sujets de morale et de politique (Paris, 1808)