Ay 211, Spring '02: Lecture plan (subject to modifications) ___________________________________________________________________________ [W] = Wal [G] = George Apr 4 [G] Cosmology refresher: cosmological parameters, standard formulae, distances, etc.; early universe in a nutshell. Apr 8 [G] A summary of the modern ideas about galaxy and structure formation. Observations of galaxy formation and early evolution. Biased galaxy formation, the evolution of bias. Apr 11 [W] Refresher on the Physics of interstellar gas. H I regions, H II regions. H_2, CO, Excited fine structure levels. Line formation. Calculation of curve of growth. Introduction to QSO absorption lines. Apr 15 [G] No class that day. A make-up class will be arranged, date&time TBD. TBD Cosmological constant and the dark energy. The nature of the dark matter: observational constraints from dark halos, laboratory searches. Apr 18 [G] Connections between galaxy and QSO formation: mergers, interactions, binary QSOs; M_bh vs. sigma or L_old* correlations; QSO demographics. Apr 22 [G] High-z quasars as probes of large-scale structure and its evolution. Apr 25 [G] Evidence for obscured AGN population(s): optical, x-ray, radio; unification schemes. AGN contribution to the overall energy budget in the universe. Diffuse backgrounds. Chandra and SIRTF. Apr 29 [G] No class that day. A make-up class will be arranged, date&time TBD. TBD GRBs as absorption probes; other cosmological uses of GRBs; prospects for detecting GRBs at z >~ 5. The first stars and AGN. Reionization era. May 2 [W] Chemical evolution of galaxies, Cosmochronolgy, Evolution of massive stars. May 6 [W] UV spectroscopy: expected lines from dilute gas. Types of absorption systems. BALs, HE systems, Ly alpha forest, Damped systems, Lyman limit systems. May 9 [W] DLA systems. Properties and statistics. Associated H I 21 cm absorption. Deduction of size via absn. against extended radio sources. Rotation measure. Presence of dust. Interpretation as primitive disks. Element abundances. Identification of absorbers. May 13 [W] Ly alpha forest. N(z), distribution of W with Press explanation, distribution of N(H I), clustering as f(z), associated HE, proximity effect with explanation in terms of J. The ``real'' z_em. Search for local associated objects. Existence of narrow lines. May 16 [W] Cosmological simulations of the Ly alpha forest. Feedback. May 20 [W] The first stars. Ionization of IGM, etc. May 23 [W] Student Presentations (1) May 27 No class -- Memorial Day! May 30 [G] Student presentations (2)