Astronomy 123: Stars and Stellar Structure

Archive of Assignments

Note: The assignments archived here are organized by the week of the seminar meeting. In other words, the assignment listed here under week N was handed out during week N-1 but due during week N.

Week 13

Our thirteenth assignment [pdf or Word] - due Tuesday, April 21 by 2PM (handing in this assignment for a grade is optional this week, but you must have it done prior to our seminar meeting in any case).

Week 12

Our twelfth assignment [pdf or Word] - due Tuesday, April 14 by 2PM.

Week 11

Our eleventh assignment [pdf or Word] - due Tuesday, April 7 by 2PM.

Week 10

Our tenth assignment [pdf or Word] - due Tuesday, March 31 by 2PM.

Week 9

We had our midterm this week.

Week 8

Our eighth assignment [pdf or Word] - due Tuesday, March 17 by 2PM.

Week 7

Our seventh assignment [pdf or Word] - due Monday, March 2 by 2PM.

Week 6

Our sixth assignment [pdf or Word] - due Monday, February 23 by 2PM.

Week 5

Our fifth assignment [pdf or Word] - does not include a problem set to be handed in on Monday. Rather, there are presentations for class on Wednesday.

There is no new textbook reading for this week, but we are reading three (short) papers (two of them have supplemental papers, and the Krumholz article also has a simulation movie that you should watch):

Figer, 2005, "An Upper Limit to the Masses of Stars," Nature, 434, 192 (week 5)
Krumholz, et al., 2009, "The Formation of Massive Star Systems by Accretion," Science, 323, 754 (week 5)
Whitney, 2009, "Perspectives: Forming Massive Stars," Science, 323, 719 (week 5) [This is commentary on the Krumholz et al. article]

Week 4

Our fourth assignment [pdf or Word] - due Monday, February 9 by 2 PM. New: I've also provided some discussion questions and topics for our seminar meeting.

Week 3

Our third assignment [pdf or Word] - due Monday, February 2 by 2 PM.

Week 2

Our second assignment [pdf or Word] - due Monday, January 26 by 2 PM.

The reading includes Ch. 7 in Ostlie and Carroll, and also a short paper by Geoff Marcy and Paul Butler.

Part of your assignment this week is to play with the following binary star applets:

Week 1

Our first assignment [pdf or Word] is due in class on Wednesday.

Return to the main class page.

This page is maintained by David Cohen
cohen -at- astro.swarthmore.edu

Last modified: April 25, 2009