1. Particle Astrophysics & Cosmology SS 20081 Chapter 7 Dark Matter

2. Particle Astrophysics & Cosmology SS 20082 Galaxies: face-on view a galaxy like our Milky Way: 10 11 stars, ~ 50 kpc diameter NGC1232

3. Particle Astrophysics & Cosmology SS 20083 Galaxies: edge-on view central stellar bulge, stellar disk, interstellar medium (gas and dust) NGC4565

4. Particle Astrophysics & Cosmology SS 20084 Galaxy groups a few up to ~ 100 galaxies

5. Particle Astrophysics & Cosmology SS 20085 Galaxy clusters up to a few 1000 galaxies a few Mpc total size

6. Particle Astrophysics & Cosmology SS 20086 Density fluctuations without DM

7. Particle Astrophysics & Cosmology SS 20087 Rotation curves of galaxies rotating gaseous disk (HI) rotation velocity v(r) from Doppler shift

8. Particle Astrophysics & Cosmology SS 20088 Galaxy kinematics Isovelocity contours v(x,y) movie

9. Particle Astrophysics & Cosmology SS 20089 Galaxy kinematics a real galaxy (NGC2541)column density of neutral hydrogen optical image(grey/white) and isovelocity contours

10. Particle Astrophysics & Cosmology SS 200810 A movie of v(x,y) model galaxy real galaxy (NGC2541)

11. Particle Astrophysics & Cosmology SS 200811 Measured rotation curve radial distribution of stellar light rotation curve with stellar and gaseous contribution

12. Particle Astrophysics & Cosmology SS 200812 NFW profile vs. observation An extreme case: dwarf galaxy DDO 47 with mass M  10 10 M  NFW overpredicts central velocities  “cusp problem” NFW Burkert + obs. points dark gas stars

13. Particle Astrophysics & Cosmology SS 200813 X-ray halos of galaxy clusters Cluster A3528 black ellipses: optically visible galaxies colour: X-ray emission

14. Particle Astrophysics & Cosmology SS 200814 Total mass in galaxy clusters distribution of mass in a galaxy clusters

15. Particle Astrophysics & Cosmology SS 200815 Total mass in galaxy clusters rotation curve of a dwarf galaxy

16. Particle Astrophysics & Cosmology SS 200816 Gravitational lensing by galaxy clusters

17. Particle Astrophysics & Cosmology SS 200817 Gravitational lensing by galaxy clusters

18. Particle Astrophysics & Cosmology SS 200818 Numerical  CDM simulations Simulated large-scale structure for different cosmologies

19. Particle Astrophysics & Cosmology SS 200819 Numerical  CDM simulations cluster large galaxy

20. Particle Astrophysics & Cosmology SS 200820 Observations

21. Particle Astrophysics & Cosmology SS 200821 Simulations and observations simulations and observations agree on large scales

22. Particle Astrophysics & Cosmology SS 200822 Tully-Fisher relation

23. Particle Astrophysics & Cosmology SS 200823 ‘Missing satellites’ galaxy cluster Virgo Cluster: agreement Milky Way: large discrepancy

24. Particle Astrophysics & Cosmology SS 200824 Web sites for numerical simulations http://www.mpa-garching.mpg.de/~volker/gadget/index.html http://www.aip.de/People/MSteinmetz/Movies.html

25. Particle Astrophysics & Cosmology SS 200825 WIMP search