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PROBLEMS IN GASEOUS HYDRODYNAMICS MICHAŁ RÓŻYCZKA NICOLAUS COPERNICUS ASTRONOMICAL CENTER

PROBLEMS IN GASEOUS HYDRODYNAMICS MICHAŁ RÓŻYCZKA NICOLAUS COPERNICUS ASTRONOMICAL CENTER WARSAW, POLAND. PLANETARY NEBULAE AS ASTRONOMICAL TOOLS GDAŃSK, 28.06.2005. TALK PLAN. THE TEMPLATE: PIECES OF THE PUZZLE:. THE GENERIC NEBULA ...AND SOME EXTRA FLAVOURS.

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PROBLEMS IN GASEOUS HYDRODYNAMICS MICHAŁ RÓŻYCZKA NICOLAUS COPERNICUS ASTRONOMICAL CENTER

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  1. PROBLEMS IN GASEOUS HYDRODYNAMICS MICHAŁ RÓŻYCZKA NICOLAUS COPERNICUS ASTRONOMICAL CENTER WARSAW, POLAND PLANETARY NEBULAE AS ASTRONOMICAL TOOLS GDAŃSK, 28.06.2005

  2. TALK PLAN • THE TEMPLATE: • PIECES OF THE PUZZLE: • THE GENERIC NEBULA • ...AND SOME EXTRA FLAVOURS • INTRODUCTION: 1-D HYDRO • 2-D WORLD • 3-D WORLD • SMALL-SCALE FEATURES • MHD

  3. THE TEMPLATE THE GENERIC NEBULA

  4. THE GENERIC NEBULA ... VERY HOT GAS („HOT CAVITY”) A BIG MESS INSIDE ORDERLY RINGS THE GENERIC NEBULA SPHERICAL HALO

  5. THE TEMPLATE EXTRA FLAVOURS

  6. TADPOLES SOME EXTRA FLAVOURS HOT CAVITY

  7. WAVES BIPOLAR LOBES SOME EXTRA FLAVOURS

  8. POINT SYMMETRY SOME EXTRA FLAVOURS

  9. MULTIPOLAR OUTFLOWS SOME EXTRA FLAVOURS

  10. FLIERS SOME EXTRA FLAVOURS

  11. ANSAE SOME EXTRA FLAVOURS

  12. JETS DISKS SOME EXTRA FLAVOURS

  13. BRETS BIPOLAR ROTATING EPISODIC JETS SOME EXTRA FLAVOURS

  14. HUBBLE FLOW (v ~ R) BIPOLAR LOBES SOME EXTRA FLAVOURS

  15. PIECES OF THE PUZZLE INTRODUCTION: 1-D HYDRO

  16. contact surface contact surface contact surface reverse shock reverse shock reverse shock forward shock forward shock forward shock free wind 1 free wind 1 free wind 1 shocked wind 1 shocked wind 1 shocked wind 1 shocked wind 2 shocked wind 2 shocked wind 2 free wind 2 free wind 2 free wind 2 CONTACT SURFACE FRAME FREE WIND 2 FRAME (=AMBIENT MEDIUM FRAME) CONTACT SURFACE FRAME INTRODUCTION: 1-D HYDRO

  17. INTRODUCTION: 1-D HYDRO forward shock reverse shock contact surface free fast wind shocked fast wind shocked AGB wind free AGB wind

  18. . . INTRODUCTION: 1-D HYDRO Balick, B. & Frank, A. 2002; ARAA 40, 439

  19. . . INTRODUCTION: 1-D HYDRO Balick, B. & Frank, A. 2002; ARAA 40, 439

  20. FS CS RS INTRODUCTION: 1-D HYDRO

  21. PIECES OF THE PUZZLE 2-D WORLD

  22. FOR SMALL DEPARTURES FROM SPHERICAL SYMMETRY: Icke V. 1988; A&A 202, 177 2-D WORLD: BASICS ROTATION BINARY INTERACTIONS MAGNETIC FIELDS

  23. 2-D WORLD: BASICS forward shock reverse shock shocked AGB wind free fast wind contact surface shocked fast wind free AGB wind

  24. 2-D WORLD: OBLIQUE SHOCKS OBLIQUE SHOCK shocked wind 2 free wind 2 SHOCK FRAME

  25. . . Mslow=10-5 M/yr Mfast =10-7 M/yr 2-D WORLD: SHAPING - BIPOLARS q = 0.1 veq Vpl/ Veq = 3 vpl Garcia-Segura,G. et al. 1999; ApJ 517, p.767

  26. 2-D WORLD: BREAKOUT

  27. Norman, M., Smarr, L., Smith, M., & Wilson, J. 1981; ApJ 247, 52 2-D WORLD: COLLIMATION, JETS-I Blandford, R. & Rees, M. 1974; MNRAS 169, 395

  28. . Mw = 10-7 M/yr Vw = 200 km/s adiabatic 3 FS CS RS 2-D WORLD: COLLIMATION, JETS-I Frank, A. & Mellema, G. 1996; ApJ 472, 684

  29. . Mw = 10-7 M/yr Vw = 200 km/s adiabatic q = 70 2-D WORLD: COLLIMATION, JETS-I Frank, A. & Mellema, G. 1996; ApJ 472, 684

  30. 2-D WORLD: COLLIMATION, JETS-I Frank, A. & Mellema, G. 1996; ApJ 472, 684

  31. 2-D WORLD: COLLIMATION, JETS-II

  32. forward shock contact surface reverse shock T 2-D WORLD: COLLIMATION, JETS-II 

  33. 2-D WORLD: COLLIMATION, JETS-II

  34. PIECES OF THE PUZZLE 3-D WORLD

  35. RG star: M*=1M; R*=0.7 AU secondary: M*=0.6 M RG wind: 10-6 M/yr fast wind: 10-8 M/yr; 103 km/s a = 2.4 AU a = 12.6 AU 3-D WORLD: BINARY, DENSE WIND SHAPING Gawryszczak, A., Mikołajewska, J. & Różyczka, M. 2002; A&A 385, 205

  36. 3-D WORLD: BINARY, DENSE WIND SHAPING Gawryszczak, A., Mikołajewska, J. & Różyczka, M. 2002; A&A 385, 205

  37. RW Hya RED GIANT: M=1.6M, R=1013 cm, M=10-7 M/yr WHITE DWARF: M=0.48 M, a=21013 cm . 3-D WORLD: BINARY, DISK FORMATION Courtesy: Doris Folini & Rolf Walder http://www.astro.phys.ethz.ch/staff/walder/

  38. SYMBIOTIC BINARY COOL STAR: M=1.4M, R=1013 cm, M=310-8 M/yr HOT STAR: M=0.6 M, a=31013 cm, M=410-9 M/yr . . 3-D WORLD: BINARY, DENSE WIND SHAPING HIGH LOW Courtesy: Doris Folini & Rolf Walder http://www.astro.phys.ethz.ch/staff/walder/

  39. 3-D WORLD: BINARY, COMMON ENVELOPE EVOLUTION red giant: 1 Mwith a 0.45 M core companion: 0.35 M Movies by Eric Sandquist; http://mintaka.sdsu.edu/faculty/erics/web/

  40. 3-D WORLD: BINARY, COMMON ENVELOPE EVOLUTION Eric Sandquist; http://mintaka.sdsu.edu/faculty/erics/web/

  41. 170 days 1130 days 2310 days 3250 days 3-D WORLD: BINARY, COMMON ENVELOPE EVOLUTION AGB star core 0.56 M envelope 0.69 M radius 1.85 AU companion mass 0.1 M timesscale 9 yr mass lost 4 % AGB star core 0.56 M envelope 0.69 M radius 1.85 AU companion mass 0.1 M synchronous timesscale 9 yr mass lost 25 % AGB star core 0.60 M envelope 0.44 M radius 3.00 AU companion mass 0.1 M timesscale 18 yr mass lost 84 % De Marco, O. Et al. 2003; RevMexAA S.Conf. 18,24

  42. PIECES OF THE PUZZLE SMALL-SCALE FEATURES

  43. ~T-0.7 SMALL-SCALE FEATURES: COOLING INSTABILITY Gaetz,T. & Salpeter, E. 1983; ApJS 52, 155

  44. SMALL-SCALE FEATURES: COOLING INSTABILITY; R-T INSTABILITY Movie: courtesy Doris Folini & Rolf Walder http://www.astro.phys.ethz.ch/staff/walder/

  45. density schematic: denser fluid g lighter fluid SMALL-SCALE FEATURES: RAYLEIGH-TAYLOR INSTABILITY density range: 0.5 – 2.5 g/cm3 simulation time:3.1 sec Movie: courtesy ASC / Alliances Center for Astrophysical Thermonuclear Flashes http://flash.uchicago.edu/website/research/gallery/home.py

  46. nonisotropic ram pressure isotropic thermal pressure SMALL-SCALE FEATURES: THIN SHELL INSTABILITY I Vishniac, E. 1983; ApJ 274, 152

  47. free AGB wind forward shock shocked AGB wind shocked fast wind SMALL-SCALE FEATURES: THIN SHELL INSTABILITY I

  48. SMALL-SCALE FEATURES: THIN SHELL INSTABILITY II nonisotropic ram pressure nonisotropic ram pressure Vishniac, E. 1994; ApJ 428, 186

  49. SMALL-SCALE FEATURES: THIN SHELL INSTABILITY II SPHERICAL SYMMETRY: IONIZATION INSTABILITIES (?) SPHERICAL SYMMETRY: RAYLEIGH-TAYLOR INSTABILITY AXIAL SYMMETRY: KELVIN-HELMHOLTZ INSTABILITY Movie: courtesy Doris Folini & Rolf Walder http://www.astro.phys.ethz.ch/staff/walder/

  50. SMALL-SCALE FEATURES: THIN SHELL INSTABILITY II John Blondin http://wonka.physics.ncsu.edu/~blondin/aas196/page33.html

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