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CRA Seminar: Prof. Huan Yang (Perimeter Institute)

Probing neutron star physics with gravitational wave detections The recent detection of the binary neutron star merger event (GW170817) has marked the beginning of multi-messenger astronomy with gravitational waves. In this talk I will briefly review current findings associated with GW170817 and introduce new opportunities from future detections. In the first part, I will explain … Continue reading "CRA Seminar: Prof. Huan Yang (Perimeter Institute)"

CRA Seminar: Dr. Juan Calderon Bustillo (Monash University)

Howey N201/202 837 State Street, Atlanta, GA, United States

https://research.monash.edu/en/persons/juan-calderon-bustillo Title: Exploring the strong field phenomena of black holes Abstract: At the event horizon of a black hole, gravity reaches its most extreme behaviour. Studying the dynamics of event horizons is key to understand gravity in is ultra-strong field regime and investigate the most fundamental properties of black holes. Black hole collisions provide a … Continue reading "CRA Seminar: Dr. Juan Calderon Bustillo (Monash University)"

CRA Seminar: Lee Samuel Finn (Penn State University)

Observational tests of general relativity with black hole inspiral, coalescence, and ringdown Prof. Lee Samuel Finn (Penn State University) Website: https://www.phys.psu.edu/people/lsf5 Abstract: As far as it has been tested, general relativity “works”; however, tests of general relativity are spotty in their coverage and - especially in the dynamical regime - leave much to be desired … Continue reading "CRA Seminar: Lee Samuel Finn (Penn State University)"

CRA seminar: Prof. Konstantin Batygin (Caltech)

Bogg 1-44 VizLab

Title: “I Like to Myself Believe That Planet 5 Turns Slowly” Abstract: Within the general framework of the core-nucleated accretion theory of giant planet formation, the conglomeration of massive gaseous envelopes is facilitated by a transient period of rapid accumulation of nebular material. While the concurrent build-up of angular momentum is expected to leave newly … Continue reading "CRA seminar: Prof. Konstantin Batygin (Caltech)"

CRA Cosmic Coffee: Danielle Skinner

Howey N201/202 837 State Street, Atlanta, GA, United States

  Title: Where Do Population III Stars Form? Abstract: We perform a cosmological simulation with a comoving volume of 1 Mpc^3 to study the birth-places of Population III stars, using the adaptive mesh refinement code Enzo. We investigate the distribution of host halo masses and its relationship to the Lyman-Werner background intensity. In our sample … Continue reading "CRA Cosmic Coffee: Danielle Skinner"

CRA Cosmic Coffee: Chris Evans

Howey N201/202 837 State Street, Atlanta, GA, United States

Title: Marginally Trapped Surfaces in Black Hole Mergers Abstract: For numerical simulations of black hole mergers, typically the apparent horizon that forms is of primary interest and can be used to calculate the mass and angular momentum of the merger remnant. In a generic binary black hole evolution however, the apparent horizon is only one … Continue reading "CRA Cosmic Coffee: Chris Evans"

CRA seminar (Dr. Colleen Wilson-Hodge)

Bogg 1-44 VizLab

Title: “Time Domain Astronomy with the Fermi Gamma-ray Burst Monitor in the Multimessenger Era” Abstract: On August 17, 2017, a new era in astronomy began with the detection of merging neutron stars in gravitational waves by LIGO/Virgo followed 1.7 seconds later by the detection of a short gamma-ray burst (GRB) with Fermi GBM. This short … Continue reading "CRA seminar (Dr. Colleen Wilson-Hodge)"

CRA special seminar: Jason Gallicchio and Brian Shuve (Harvey Mudd College)

Bogg 1-44 VizLab

Jason Gallicchio and Brian Shuve from Harvey Mudd College Title: Improving Tests of Quantum Entanglement by using Light from Distant Quasars Abstract: Quantum entanglement, described by Einstein as "spooky action at a distance," is both fascinating philosophically and is the basis for quantum computing and quantum encryption. For this reason, it deserves to be tested … Continue reading "CRA special seminar: Jason Gallicchio and Brian Shuve (Harvey Mudd College)"