ANNOUNCEMENTS

AST 6336

1/12/05: I've made copies of a few things I put up in class and placed them in a folder marked "AST 6336" tucked in among the radio astronomy materials in the grad students' bookcase in Room 309. This includes the stuff on spectroscopic notation and the He I and O I energy level diagrams.

2/7/05: For Wednesday you could read the sections in Spitzer's Physical Processes in the Interstellar Medium, hereafter "P^2", dealing with interstellar absorption lines, the ones I started on before the test (Na, Ca, etc.) plus the H I and H_2 UV lines. I don't have the book with me, but it includes 4.3.c and 4.3.a. Don't bother with 21-cm emission or absorption; we'll do those later.

2/8/05: CORRECTION -- I've now checked, and the relevant sections of P^2 are 3.4 (b) and (c) and 4.3.b. Sorry about the confusion. BTW, we will be covering 21-cm before long.

ANNOUNCEMENT: As stated in a notice posted in Room 309, I have decided to transform the grades on the first hour test to obtain a more satisfactory distribution. The transformation to be applied is N=100-0.5(100-O), where N is the "new" grade and O is the old one.

2/12/05: Ignore the statement about the "transauroral" line in the comments for Question 2. I put it in at the last minute not remembering that that transition was included.

2/18/05: For Wed. you might read P^2 Sects. 3.6.a and c.

3/7/05: On Wed. I plan on starting gasdynamics. For that you can read P^2 Sects. 10.1 and 10.2 (leave out virial theorem -- we'll get to it later) and (AGN)^2 Sect. 6.2. After shock fronts I'll cover ionization fronts, which are somewhat related; these are discussed in P^2 Sect. 12.1.a and (AGN)^2 . I've left out some reading matter in Room 309.

3/10/05: Read (AGN)^2 Sects. 6.3-6.6 and Sect. 12.1.b in P^2.