Astronomy 123: Stellar Astrophysics

Spring 2017
Prof. David Cohen

Science Center 161
Mondays 1:15 AM - 4:15 PM



Orion belt HR diagram solar spectrum eta Car: HST





There is a colloquium this week – on Friday at 12:30 in SC 199 – by Thomas Baumgarte from Bowdoin College. It is entitled, "Critical Gravitational Collapse to Rotating Black Holes."

Rhiannon is bringing snack next Monday.

Archive of old announcements.


We'll finish up stellar interiors this week (second half of Ch. 5). Please take a look at assignment 10 [pdf]. The LeBlanc reading is supplemented this week with a few pages from Ostlie and Carroll on polytropes and the Lane Emden equation [pdf].

Archive of old assignments.


Class Information

Books and other resources

seminar snack schedule


astrophysical constants and astronomical data in cgs

SIMBAD for information about astronomical objects

ADS for finding research articles

Astronomy Picture of the Day

our seminar Moodle page

department website



Maintained by David Cohen.

Last modified: March 28, 2017