Introductory
Resolving a double star
You observe at nm with a cm telescope. (a) What is the diffraction-limited angular resolution? (b) Can you split a binary separated by ? (c) In typical seeing, what actually limits you?
Saved in this browser only, no account needed.
Reading resources
Material that covers the physics behind this problem.
- Introductory Astronomy and AstrophysicsZeilik & Gregory
More compact than Carroll & Ostlie, with excellent worked problems on coordinates, time and telescope optics.
Textbook - Astronomy NotesNick Strobel
Free, well-illustrated introductory notes covering the whole syllabus at a conceptual level.
Lecture notes