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December 2025

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Monday, December 1st, 2025
4:00pm 5:00pm
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Astronomy Tea Talk

Hot and (Un)bothered: Unveiling the Complex Dynamical Histories of Hot Jupiters
Brandon Radzom, graduate student; Indiana University,
Wednesday, December 3rd, 2025
12:15pm 1:00pm
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Caltech/IPAC Lunch Seminar

Galaxy and Mass Assembly (GAMA): The Properties of Quasar Host Galaxies: Star Formation Histories and Stellar Populations
Maria Stone, INAF, Rome and FINCA, Finland,
4:00pm 5:00pm
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Astronomy Lightning Talks

Lightning Talks for All New Postdocs and Research Staff
Friday, December 5th, 2025
2:00pm 3:00pm
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TAPIR Seminar

Online and In-Person Event
Stellar forensics: tracing the origin of interaction-powered supernovae and Type-Ia supernova remnants
Soham Mandal, Postdoctoral Fellow, Department of Astronomy, University of Virginia,
8:00pm 10:00pm
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Stargazing Lecture

The History of the Solar System: Insights from JWST Observations of Asteroids
Katherine de Kleer, Professor, Department of Planetary Science, Caltech,
  • Public Event
Monday, December 8th, 2025
4:00pm 5:00pm
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Astronomy Tea Talk

Sleeping Giants: Telling Case Studies of Changing-look Quasars/Creating Space-Based, All-Sky Surveys to Study the Death and Afterlife of Stars
Laura Duffy, graduate student, Penn State University,
Hannah Gulick, graduate student, UC Berkeley,
Wednesday, December 10th, 2025
12:15pm 1:00pm
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Caltech/IPAC Lunch Seminar

Studying the three-dimensional architecture of transiting planets and their outer companions in the era of Gaia
Jingwen Zhang, University of California, Santa Barbara,
4:00pm 5:00pm
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Astronomy Colloquium

The Euclid space mission
M. Claudia Scarlata, Distinguished McKnight University Professor (Director of MIfA), Minnesota Institute for Astrophysics, University of Minnesota,
Thursday, December 11th, 2025
2:00pm 3:00pm
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Special TAPIR Seminar

Online and In-Person Event
Title to be announced
Mudit Garg, Postdoctoral Fellow, Astrophysics, New York University,
Friday, December 12th, 2025
2:00pm 3:00pm
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TAPIR Seminar

Online and In-Person Event
Metastable helium in the upper thermosphere
Shri Kulkarni, Professor, Astronomy and Planetary Science, Caltech,