Past Colloquia
Galactic Archeology, Near and (Sort of) Far
Zoom
Gail Zasowski, University of Utah
October 07, 2020
2:00 pm - 3:00 pm
Understanding galaxies and their evolution over time is critical for interpreting the stellar history and chemical enrichment of the Universe. Galaxies that lie at different distances help us fill in different pieces of the puzzle — from large statistical samples of coarsely-resolved systems to our…
Comets, unseen planets, and interstellar visitors
Zoom
Scott Tremaine, University of Toronto
September 23, 2020
2:00 pm - 3:00 pm
Comets have inspired awe since prehistoric times, but even today there are only a few thousand comets with well-determined orbits. Nevertheless, the analysis of this limited sample yields a compelling model for the formation, evolution and present distribution of comets. This model implies that the…
“Measuring the Largest Structures in the Universe with the Smallest Telescopes in Space”
Zoom
Michael Zemcov, Rochester Institute of Technology
September 16, 2020
2:00 pm - 3:00 pm
Observational astrophysics has frequently been driven by the desire for ever increasing angular resolution, which has resulted in larger and more expensive telescopes with time. However, telescopes with very small apertures can sometimes perform cosmological measurements as important as their larger siblings. In this talk,…
Colloquium with Adrian Price-Whelan
Cody Hall, AB 107, University of Toronto
Adrian Price-Whelan, Flatiron Institute
April 22, 2020
3:00 pm - 4:00 pm
More information coming soon…
Colloquium with Sarah Burke-Spolaor
Cody Hall, AB 107, University of Toronto
Sarah Burke-Spolaor, West Virginia University
April 15, 2020
3:00 pm - 4:00 pm
More information coming soon.
Colloquium with Michael Zemcov
Cody Hall, AB 107, University of Toronto
Michael Zemcov, Rochester Institute of Technology
April 08, 2020
3:00 pm - 4:00 pm
More information coming soon.
A night at high speed: exploring the minute-cadence sky with the Evryscopes
Cody Hall, AB 107
Nick Law
March 25, 2020
3:00 pm - 4:00 pm
The Evryscopes are array telescopes that cover the entire visible sky in each and every exposure. Based in the mountains of Chile and California, the systems together take a 1.3 Gigapixel image of the sky every two minutes, reaching depths of 16th magnitude in each…
Colloquium with Jay Strader
Cody Hall, AB 107, University of Toronto
Jay Strader
March 18, 2020
3:00 pm - 4:00 pm
More information coming soon…
Light Echoes of Eta Carinae, Massive Star Mergers, and Pre-Supernova Eruptions
Cody Hall, AB 107, University of Toronto
Nathan Smith, Steward Observatory, University of Arizona
March 11, 2020
3:00 pm - 4:00 pm
Eta Carinae is the most massive and most luminous evolved star known in the Local Group, and it provides a glimpse of the violent phases of eruptive mass loss that can occur in unstable massive stars before they die. Despite a wealth of high-quality data…
The Formation of Binary Stars and Planets
Cody Hall, AB 107
Maxwell Moe, University of Arizona
February 26, 2020
3:00 pm - 4:00 pm
The majority of solar-type stars are born in binaries, and therefore star and planet formation must be examined in the context of stellar multiples. I will first highlight the hurdles in standard migration models of close binaries and hot Jupiters. Although the majority of close…