This page contains links to the recorded lectures and associated materials. Each lecture is accompanied by a set of notes, all linked below.

For students attending the school in person, please use the relevant Slack channels (also linked below each section) to ask questions, raise points for discussion, or comment on the lecture content.


Slack channel: #summer-school-2021

Prologue: Galaxies in the Universe (12:16 mins) — Tjitske Starkenburg (slides)

Lecture Overview (6:12) — Kathryn V Johnston (notes)

How and Why Galaxies Evolve

Martin Weinberg (notes)

Slack channel: #bads2021-3-evolution-of-galaxies

  1. Fundamentals

    1. Adiabatic Invariance and the Averaging Theorem (15:11 mins)

    2. Properties of Hamiltonians (5:51 mins)

    3. Invariance of Actions (15:14 mins)

  2. Application to a Disk Galaxy

    1. Setting up the calculation (16:01)

    2. Treating the Denominator (15:00)

  3. Classic Interaction Calculations

    1. Dynamical Friction (25:50)

    2. Impulsive Encounters (19:46)

Secular Evolution and Modes: Spiral Arms

Elena D’Onghia (notes)

Slack channel: #bads2021-4-modes-and-spiral-arms

  1. Statement of Problem (21:24)

  2. Instabilities and Waves (22:57)

  3. Swing Amplification (18:47)

  4. Numerical Simulations and Spiral Arms (26:42)