Ay 111 abc. Introduction to Current Astrophysics Research. 1 unit (1-0-0); first, second terms, 2025-26. This course is intended primarily for first-year Ay graduate students, although participation is open and encouraged. Students are required to attend seminar-style lectures given by astrophysics faculty members and other researchers. The intent of the course is for students to gain an understanding of the breadth of astrophysics research that is conducted at Caltech, and to learn about potential research opportunities, as well as different career paths in astronomy. Credit is also given for attending the weekly astronomy colloquia. At the end of each term, students are required to summarize in oral or written form (at the discretion of the instructor), one of the covered subjects that drew their interest. Part c not offered 2025-26.
Instructors: Djorgovski, El-Badry

Ay 125. High-Energy Astrophysics. 9 units (3-0-6); second term, 2025-26. Prerequisites: Ph 106 and Ph 125 or equivalent (undergraduates). High-energy astrophysics, the final stages of stellar evolution; supernovae, binary stars, accretion disks, pulsars; extragalactic radio sources; active galactic nuclei; black holes.
Instructors: Kasliwal, El-Badry