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DTSTART;TZID=America/Chicago:20180406T153000
DTEND;TZID=America/Chicago:20180406T163000
DTSTAMP:20180403T130835Z
CREATED:20180129T162406Z
LAST-MODIFIED:20180403T130835Z
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SUMMARY:Physics Colloquium - Dr. Astrid Lamberts
DESCRIPTION:Dr. Astrid Lamberts\, Caltech.\nListening to Binary Stars Through Cosmic History \nWith the first detections of gravitational waves\, it has now become possible to “listen” to the final stages of binary black holes and neutron stars. These systems are the remnants of massive stars that likely formed billions of years before the gravitational wave event. At that time the Universe was very different from now. If we want to use gravitational wave events to understand how massive binary stars evolve\, it is very important to model the conditions of their formation throughout cosmic history.  \nIn this talk I will explain where (small galaxy or large galaxy like the Milky Way?) and when (how many billion years ago?) the progenitor stars of the first gravitational wave event most likely formed. I will also show that there are several million binary black holes in our own Milky Way and how we may be able to detect some of them.
URL:https://uwm.edu/physics/event/physics-colloquium-dr-astrid-lamberts/
LOCATION:Lapham 160\, 3209 N. Maryland Ave.\, Milwaukee\, WI\, 53211\, United States
CATEGORIES:Physics Colloquia
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DTSTART;TZID=America/Chicago:20180413T153000
DTEND;TZID=America/Chicago:20180413T163000
DTSTAMP:20180410T181136Z
CREATED:20180220T143936Z
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SUMMARY:Physics Colloquium - Debnandini Mukherjee
DESCRIPTION:Debnandini Mukherjee\, PhD Candidate\, UWM Department of Physics. \nListening to the Universe with Gravitational Waves! \nGravitational waves were observed for the first time on September 14\, 2015. A 36 and a 29 M⊙ black holes were seen to inspiral around each other and merge about ∼ 410 Mpc away. This gave momentum to the areas of gravitational wave astrophysics and astronomy. While the universe could be perceived in the electromagnetic spectrum so far\, enabling us to ”see” it with telescopes\, it could now be ”listened to” using gravitational waves. Also\, black holes being optically dark\, could be observed directly for the very first time after this discovery. The 100 year old theory of General Relativity saw direct evidence through this discovery for the first time.  Ever since the first observation\, 5 black hole binaries and a binary neutron star have been seen to merge\, through gravitational waves. In case of the binary neutron star merger\, its electromagnetic counter part\, a gamma ray burst was also observed by astronomers\, thereby corroborating it.  Hence\, I have been writing my dissertation in an era of pioneering discoveries. I will try to summarize my contributions to the field at this stage. The major aspects of my work that my dissertation explores\, are as follows:  \n\nContributions to the search for Intermediate mass binary black holes (total masses 100 − 105M⊙) for the first observing run of LIGO that extended between September 12\, 2015 and January 14th 2016.\nPreparations for the second observing run of LIGO including helping integrate the search for stellar mass and the intermediate mass binary black holes\, so as to have an optimally sensitive combined search.\nAnalysis and interpretation of science data during the second observing run which lasted between 30th November 2016 and 26th August 2017. This included work on improving and optimizing the search sensitivity.\nContinued effort on the calculation of astrophysical rates of different populations of compact objects and with the preparation for the next observing run.
URL:https://uwm.edu/physics/event/physics-colloquium-debnandini-mukherjee/
LOCATION:Lapham 160\, 3209 N. Maryland Ave.\, Milwaukee\, WI\, 53211\, United States
CATEGORIES:Physics Colloquia
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DTSTART;TZID=America/Chicago:20180420T153000
DTEND;TZID=America/Chicago:20180420T163000
DTSTAMP:20180327T202214Z
CREATED:20180111T154555Z
LAST-MODIFIED:20180327T202214Z
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SUMMARY:Physics Colloquium - Dr. Allison Doerr
DESCRIPTION:Allison Doerr\, Senior Editor for Nature Methods. \nGetting Published in High-Impact Journals: A Perspective from a Nature Methods Editor \nA major goal of most scientific researchers is obtaining exciting results and publishing them in high-visibility\, well-regarded journals.  As a Senior Editor at Nature Methods with 13 years of experience\, I will take you inside the editorial world to describe how we select\, review\, improve\, and disseminate important research to a broad scientific community.  I will also discuss what we specifically look for in a Nature Methods paper and provide some general tips for getting your work published in high-impact journals.
URL:https://uwm.edu/physics/event/physics-colloquium-allison-doerr/
LOCATION:Lapham 160\, 3209 N. Maryland Ave.\, Milwaukee\, WI\, 53211\, United States
CATEGORIES:Physics Colloquia
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