ASTR 333/433 - Dark Matter

1. Introduction
   • Overview of the evidence and dark matter candidates
   • Historical Context: Oort & Zwicky; Disk Stability

2. Galaxy Dynamics
   • Spiral galaxies
     • Photometric properties of galaxies
     • Baryonic content: stars & gas
       • Stellar populations and their mass-to-light ratios
       • The interstellar medium of galaxies
     • Rotation curves
     • Laws of galactic rotation
     • Mass modeling; halo models
   • Elliptical galaxies
     • Tracers & orbit anisotropy
   • Dwarf galaxies
     • Dwarf irregulars
     • Dwarf Spheroidals

3. Groups & clusters of galaxies
   • Timing argument in the Local Group
   • Velocity dispersions and the turn-around radius
   • X-ray gas and hydrostatic equilibrium
   • Gravitational lensing

4. Gravitational Lensing
   • Weak lensing; galaxy statistics
   • Strong lensing in galaxies & clusters
   • Microlensing

5. Cosmological Context
   • Dynamical estimates of the mass density
   • Big bang nucleosynhtesis
   • The growth of large scale structure
   • The cosmic microwave background

6. Dark Matter Candidates & Searches
   • Baryonic Dark Matter
     • Candidates
       • brown dwarfs and other very small rocks
       • HI scaling; cold molecular gas
       • Missing baryon problem
       • hot ionized gas (the WHIM & CGM)
     • Detection Strategies
       • Direct observational searches
       • MACHO-type searches
       • Opacity of baryonic dark matter candidates
   • Non-baryonic Dark Matter
     • Candidates
       • Neutrinos; sterile neutrinos
       • WIMPs & axions
       • Others: warm DM, self-interacting DM, etc.
     • Detection Strategies
       • Direct laboratory searches
       • Indirect searches
       • Collider evidence

7. Modified Gravity
   • Generic constraints: non-viable theories that can be immediately excluded
   • the acceleration scale
   • MOND, MoG, Conformal Weyl Gravity