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  • CGCA Seminar – Usha Raut

    Kenwood IRC 2175 Milwaukee, WI, United States

    Prof. Usha Raut, Milwaukee School of Engineering Can LIGO be Relevant for High Energy Physics? There have been spectacular advances by LIGO, and other gravitational wave detectors in recent years. But an obvious limitation is that gravitational wave detectors currently …

  • Physics Colloquium – Amanda Baylor

    Chemistry 108 2050 E Kenwood Blvd, Milwaukee, WI, United States

    Early Warning of Gravitational Waves from Neutron Star Mergers
    Amanda Baylor
    Graduate Student
    University of Wisconsin-Milwaukee

    For the past decade, ground-based gravitational-wave observatories have been making detections of ripples in the fabric of spacetime from the mergers of black holes and neutron stars. Mergers involving at least one neutron star could also produce electromagnetic counterparts which may reveal new insights into the physics of these astrophysical phenomena. However, if electromagnetic observatories are not pointed at the location of the source prior to merger, we miss vital information about the physics of merger.

  • Coffeeshop Astrophysics – Nebulae: From Cradle to Grave, and Cradle Again

    Anodyne Coffee Shop 224 W Bruce Street, Milwaukee, WI, United States

    Nebulae: From Cradle to Grave, and Cradle Again Speakers: Calvin Dear, Jason Vazquez, Caleb Ogle Have you ever looked at a stunning picture from NASA full of swirling colors, almost like it should be hanging in an art museum? Chances …

  • Physics Colloquium – Pratyusava Baral

    Chemistry 108 2050 E Kenwood Blvd, Milwaukee, WI, United States

    Detecting & Measuring Gravitational Waves in Current and Future Observatories

    Pratyusava Baral
    Graduate Student
    University of Wisconsin-Milwaukee

    Low-latency (near real-time) detection of gravitational waves (GW) is crucial for multimessenger astronomy. I contribute to maintaining and operating the GstLAL-based search pipeline, a flagship detection pipeline used by the LIGO-Virgo-KAGRA collaboration, for the present observing run (May 2023 - ongoing).

  • CGCA Seminar – Dr. Amy Steele

    Kenwood IRC 2175 Milwaukee, WI, United States

    Dr. Amy Steele, Planetary Science Institute The CGCA Friday Seminar Series is hosted by the Center for Gravitation, Cosmology & Astrophysics at the University of Wisconsin-Milwaukee. These seminars cover a broad number of topics related to the Center's research areas. …

  • CANCELLED: Physics Colloquium – Justin Goodrich

    Chemistry 108 2050 E Kenwood Blvd, Milwaukee, WI, United States

    Due to circumstances beyond our control, the Physics Colloquium for Friday, 11/7/2025 is cancelled.

    Justin Goodrich, Brookhaven National Laboratory

  • CGCA Seminar – Terrence Pierre Jacques

    Kenwood IRC 2175 Milwaukee, WI, United States

    Self-Consistent Simulations of the Bar-mode Instability in Rotating Quasi-Stable Neutron Stars
    Dr. Terrence Pierre Jacques
    West Virginia University

    Rapidly rotating neutron stars (NSs) formed from core-collapse supernovae serve as excellent astrophysical laboratories for probing their equation of state (EoS) and internal structure. As these stars cool and contract, their spin angular momentum may increase, making them susceptible to the dynamical bar-mode instability

  • CANCELLED: Physics Colloquium – Jong-Woo Kim

    Chemistry 108 2050 E Kenwood Blvd, Milwaukee, WI, United States

    Due to circumstances beyond our control, the Physics Colloquium for Friday, 11/14/2025 has been cancelled.

    Jong-Woo Kim, Argonne National Lab

  • Coffeeshop Astrophysics – Space Rocks and Stardust

    Anodyne Coffee Shop 224 W Bruce Street, Milwaukee, WI, United States

    Space Rocks and Stardust Speakers: Pratyasha Gitika, Tamal RoyChowdhury, Laila Vleeschower Are shooting stars really stars falling from the sky? Spoiler alert: they’re not! Those quick flashes of light are actually tiny bits of space dust and rock burning up …

  • CGCA Seminar – Prof. Sharon Morsink

    Kenwood IRC 2175 Milwaukee, WI, United States

    The masses and radii of the neutron stars observed by NICER
    Prof. Sharon Morsink
    University of Alberta

    Neutron stars are the densest known gravitationally-stable objects in the Universe. Their strong gravitational fields, rapid rotation rates, and supra-nuclear central densities allow for a fascinating interplay between general relativistic effects and nuclear physics theory. Pulse-profile modeling is a technique that uses the gravitationally-lensed X-ray flux emitted from hot spots on the neutron star's surface to infer its mass and radius. General relativity is a crucial ingredient in this analysis.