Introduction to Interferometry

Explore the fundamentals of interferometry in this 47-minute lecture by Gerard van Belle from Lowell Observatory, presented at the Keck Institute for Space Studies. Delve into topics such as 'Silver Bullet Science,' the inner workings of telescopes, solving resolution challenges, and understanding interferometric arrays. Learn about fringe patterns, differential phase techniques, astrometry challenges, and phase referencing. Gain insights into this powerful observational technique used in astronomy and its applications in pushing the boundaries of scientific discovery.

Intro
Interferometry: 'Silver Bullet Science'
The Telescope: What's Happening Inside?
Cracking the Resolution Problem
What Does an Interferometer 'See ?
What does a Fringe Actually Look Like?
Interferometric Arrays
Differential Phase (aka Wavelength Bootstrapping)
Differential Phase demo
Astrometry: Insanely Hard in Practice
Phase Referencing: Same Basic Architecture