Building the department map…
Building the department map…
Department paths
CourseTrees has the full course list, but the registrar’s prerequisite data for this department is not in our graph yet, so there is no map to draw. Below is the catalog by level. The map appears automatically once prerequisite links land.
Generated from Columbia University’s catalog, prerequisite, and concentration data. Spotted an error? Departments can adjust labels, ordering, and notes without a code change, so contact us.
All ASTR courses in the Columbia catalog
Grade medians are for verified students. Sign in with your school email to see them.
Use your school emailInstructors on ASTR sections in Fall 2026, from the registrar's schedule.
No clubs or organizations on record under ASTR yet.
This shows once five students share their club memberships.
ASTR does not run a page here yet. When it does, its events show up here and on the Columbia campus feed.