PHYSICS 233: Interstellar Medium

Fall 2007

LECTURE SCHEDULE

(Preliminary. Will be periodically updated. Last updated Nov 19 2007)

Week
Date
Topic
Notes/Readings
0 09/27 INTRODUCTION - OVERVIEW AND SCOPE OF THE COURSE
1 10/01 HISTORICAL REMARKS - BASIC CONCEPTS - ORDERS OF MAGNITUDE  - ELASTIC COLLISIONS [Sp. 1 - Ost. 1 - Sp 2.1] Chap 5 SpGAS

10/03 ELASTIC COLLISIONS [Sp 2.1 - 2.2]

10/05 ELASTIC COLLISIONS - KINETIC EQUILIBRIUM - THERMODYNAMIC EQUILIBRIUM [Sp 2.2 - 2.4]
2 10/08 SAHA'S EQUATION - SPECTROSCOPIC NOTATION [Sp 2.4]


10/10 RADIATIVE PROCESSES - BACKGROUND - TRANSFER EQUATION - EDDINGTON LIMIT [Sp 3.1] Chap 1 RL

10/12 RADIATIVE PROCESSES - BLACKBODY RADIATION - LINE PROFILES [Sp 3.1] Chap 10 RL - HW1 due
HW1 solution
3 10/15 RADIATIVE PROCESSES - EINSTEIN'S COEFFICIENTS - T.E./E.T.E. [Sp 3.2]


10/17 RADIATIVE PROCESSES - ABSORPTION COEFFICIENT - CROSS-SECTIONS [Sp 3.2]
Chap 10 RL

10/19 NO CLASS 
4 10/22 RADIATIVE PROCESSES - MASERS - EMISSION/ABSORPTION LINES [Sp 3.3 - 3.5] HW2 due
HW2 solution

10/24 RADIATIVE PROCESSES - MASERS - EMISSION/ABSORPTION LINES [Sp 3.2] P: Neufeld et al. 1994,
ApJ, 436, L130;
P: Barvainis & Antonucci,
2005, ApJ, 628, L89

10/26 RADIATIVE PROCESSES - EMISSION/ABSORPTION LINES - THERMAL ELECTRONS [Sp 3.6]
5 10/29 EXCITATION BY COLLISIONS [Sp 4.1] HW3 due
HW3 solution

10/31 EXCITATION BY COLLISIONS [Sp 4.1] P: Madau, 1995,  ApJ, 441, 18

11/02 EXCITATION BY RECOMBINATION - PHOTON PUMPING [Sp 4.2 - 4.3]
6 11/05 PHOTOIONIZATION EQUILIBRIUM - HYDROGEN [Sp 5.1]


11/07 MOLECULAR GAS - STAR FORMATION INDICATORS Young & Scoville 1991, ARA&A, 29, 581

11/09 MIDTERM HW4 due
7 11/12 NO CLASS: VETERAN'S DAY


11/14 NO CLASS: GO TO ASTRO SEMINAR INSTEAD
ASTRO SEMINAR:
Lisa Kewley; report
(1000 words)

11/16 PHOTOIONIZATION EQUILIBRIUM - He-Metals - Molecules [Sp 5.2 - 5.3] Keweley report due
8 11/19 KINETIC TEMPERATURE - HEATING AND COOLING [Sp 6]  COLLOQUIUM (11/20):
Tom Abel; report
(1000 words)

11/21 KINETIC TEMPERATURE - HEATING AND COOLING [Sp 6]


11/23 NO CLASS: THANKSGIVING  

9 11/26 LINE DIAGNOSTICS FROM OBSERVED SPECTRA [Ost 4-5]
Abel report due


11/28 DUST [Sp 7] Scoville et al. 2001, AJ, 122, 3017 ASTRO SEMINAR:
Michele Trenti; report
(1000 words)

11/30 SEMINARS
FINAL PRESENTATIONS:
NADA & TED
10 12/03 NO CLASS


12/05 SEMINARS FINAL PRESENTATIONS:
JUSTIN & KURT
Trenti report due

12/07 SEMINARS
FINAL PRESENTATIONS:
JEREMY & KEN





Note:  it is recommended to read the material in square brackets before each class. Books are referred to as: Sp=Spitzer; Ost=Osterbrock & Ferland; SpGAS=Spitzer "Physics of fully ionized gases"; RL=Rybicki & Lightman. In column Notes/Readings P stands for presentation, R for Reading