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April 2025

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Wednesday, April 2nd, 2025
12:15pm – 1:00pm
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Caltech/IPAC Lunch Seminar

IPAC 102 (Large Conference Room)
The Sizes of Dwarf Galaxies
Nushkia Chamba, NASA/Ames,
4:00pm – 5:00pm
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ASTRONOMY COLLOQUIUM

Cahill, Hameetman Auditorium
AGN Variability: A Cornucopia or a Phantasmagoria?
Matthew Graham, Research Professor of Astronomy, California Institute of Technology,
Friday, April 4th, 2025
2:00pm – 3:00pm
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TAPIR Seminar

Online and In-Person Event
Connecting Compact Object Dynamics with Multi-Messenger Observations in Dense Star Clusters
Claire Ye, Postdoctoral Fellow, CITA, University of Toronto,
8:00pm – 10:00pm
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Stargazing Lecture

Cahill Center for Astronomy and Astrophysics
If You Give a Black Hole a Cookie
Jean Somalwar, PhD Candidate, Department of Astronomy, Caltech,
  • Public Event
Monday, April 7th, 2025
4:00pm – 5:00pm
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Astronomy Tea Talk

Cahill 370
"MOMOS: A Superconducting MKID High Resolution Multi-Object Spectrograph Testbed for the Detection and Characterization of Exoplanets" and "Learning to Read and Write in Physics and Astronomy"
Dr. Ronald Lopez, NSF Postdoctoral Fellow, UC Santa Barbara,
Dr. Briley Lewis, NSF Postdoctoral Fellow, UC Santa Barbara,
Wednesday, April 9th, 2025
12:15pm – 1:00pm
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Caltech/IPAC Lunch Seminar

Online Event
Imaging Young Jupiters with GPI 2.0
Saavidra Perera, UC Santa Cruz,
4:00pm – 5:00pm
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ASTRONOMY COLLOQUIUM

Cahill, Hameetman Auditorium
SPHEREx First Light
Jamie Bock, Marvin L. Goldberger Professor of Physics, Caltech; Senior Research Scientist, JPL, California Institute of Technology; Jet Propulsion Laboratory,
Friday, April 11th, 2025
2:00pm – 3:00pm
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TAPIR Seminar

Online and In-Person Event
Three-Dimensional Long-Term CCSN Simulations: New Insights and Challenges
Tianshu Wang, Associate Fellow, N3AS, UC Berkeley,
Wednesday, April 16th, 2025
12:15pm – 1:00pm
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Caltech/IPAC Lunch Seminar

IPAC 102 (Large Conference Room)
ALMA+JWST Discovers Companions at < 18 kpc Around z~3.5 Radio AGN
Wuji Wang, Caltech/IPAC,
4:00pm – 5:00pm
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ASTRONOMY COLLOQUIUM

Cahill, Hameetman Auditorium
Fast Radio Bursts
Vikram Ravi, Assistant Professor of Astronomy, California Institute of Technology,
,
Thursday, April 17th, 2025
3:00pm – 7:00pm
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KISS Showcase and Caltech/JPL Networking Mixer

Chen 100
  • Public Event
Friday, April 18th, 2025
2:15pm – 3:15pm
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TAPIR Seminar

Online and In-Person Event
Performance-Portable Numerical Relativity with AthenaK and Applications
Hengrui Zhu, Graduate Student, Department of Physics, Princeton University,
Wednesday, April 23rd, 2025
12:15pm – 1:00pm
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Caltech/IPAC Lunch Seminar

IPAC 102 (Large Conference Room)
The Faint and the Furious: What are the Lowest Mass Stars that Explode as Core-Collapse Supernovae?
Kaustav Das, Caltech,
4:00pm – 5:00pm
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ASTRONOMY COLLOQUIUM (Neugebauer Lecture)

Cahill, Hameetman Auditorium
GXN's Impact on JXZ
Jonas Zmuidzinas, Merle Kingsley Professor of Physics, California Institute of Technology,
Wednesday, April 30th, 2025
4:00pm – 5:00pm
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ASTRONOMY COLLOQUIUM

Cahill, Hameetman Auditorium
James Webb Space Telescope Breakthroughs in Galaxy Formation
Nadia Zakamska, Professor, Department of Physics & Astronomy, Johns Hopkins University,