The Cosmological Distance Ladder
A course on measuring distances to
celestial objects, taught at the
National Astronomical Observatory of Japan
during spring 2017.
Course material can be found online at
Outline for the course, class schedule, etc.
Lectures. The list below serves a general guide to the
topics and their sequence, but is not definitive.
- Week 1, Day 1A:
What is the cosmological distance ladder?
- Week 1, Day 1B:
Parallax is great! Gaia will expand our view
- Week 1, Day 2A:
Using "ordinary" stars in clusters and HR diagrams
- Week 1, Day 2B:
Variable stars: eclipsing binaries and pulsing stars
- Week 2, Day 3A:
Nearby galaxies: HR diagrams (again), SBF, and globular clusters
- Week 2, Day 3B:
More distant galaxies: geometry, T-F and fundamental plane
- Week 2, Day 4A:
Methods involving supernovae
- Week 2, Day 4B:
Using a special gravitational lens, and the debates over H0
For more information:
There are many, many sources for information
on these topics.
Below are just a few that we may visit frequently
during the course.
This page maintained by Michael Richmond.
Last modified May 22, 2017.