Bulletin of the American Physical Society
APS April Meeting 2011
Volume 56, Number 4
Saturday–Tuesday, April 30–May 3 2011; Anaheim, California
Session E4: Frontiers of Computational Astrophysics and Gravitation |
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Sponsoring Units: DCOMP GGR Chair: Vicky Kalogera, Northwestern University Room: Garden 4 |
Saturday, April 30, 2011 3:30PM - 4:06PM |
E4.00001: Correlated Electromagnetic and Gravitational Waves from Supermassive Black Hole Binary Mergers Invited Speaker: Correlated observations of electromagnetic (EM) emission from a gravitational wave (GW) source, an observational grand challenge, would improve the localization of the emitting system and contribute to our understanding of black hole (BH) growth and galaxy evolution. These synergistic emissions could occur when the binary is at such small orbital separations that GW emission dominates the BH inspiral and a fully general relativistic treatment is required. The computational challenge of simulating binary black hole (BBH) systems and the surrounding gas in this regime -- resolving lengthscales covering many orders of magnitude and including any physics which may influence EM emission from the region -- is now being addressed with significant progress. In this talk, we will discuss the current understanding of EM signatures from fully relativistic simulations of supermassive black hole binaries within two astrophysically motivated environmental scenarios: radiatively inefficient accretion flows and circumbinary disks. [Preview Abstract] |
Saturday, April 30, 2011 4:06PM - 4:42PM |
E4.00002: The Einstein@Home search for new neutron stars Invited Speaker: Einstein@Home is a volunteer distributed computing project with more than a quarter-million participants. I will describe the current status of its search for new neutron stars, using data from radio telescopes and gravitational wave observatories. I will also talk about the first Einstein@Home discoveries, of new radio pulsars found in data from the Arecibo Observatory. [Preview Abstract] |
Saturday, April 30, 2011 4:42PM - 5:18PM |
E4.00003: Cosmological Simulations: Capturing the Formation of the First Stars and Galaxies Invited Speaker: |
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