PPT-Gravitational Lensing

Examples of Lens Systems about 1 arcminute about 1 arcsecond Galaxy Clusters Galaxies More examples Clusters of galaxies as lenses T Johnson U Michigan Many examples are known but strong lensing. Millisecond . Pulsars:. Dan Stinebring. Oberlin College. CWRU – May 21, 2009. . George Greenstein. (Amherst College). Discovery of “Millisecond” Pulsars. 1982 – Arecibo Observatory – Don Backer, Sri Kulkarni, .... collapses. In . collaboration. . with. . Wen-Biao. Han, & Remo . Ruffini. . ICRANet. & . Physics. . Department. , . University. . of. . Rome. She-Sheng. . Xue. MG13, Stockholm, July 5. weak . lensing. science. Rachel . Mandelbaum. , CMU. Cosmology. A homogeneous . and isotropic. universe. Spatially flat . and . expanding (accelerating!). General Relativity:. 2. Function of the metric (defining space-time behavior). Gaussianities. Antony Lewis. http://cosmologist.info/. Lewis . arXiv:1107.5431. Hanson . & Lewis . arXiv:0908.0963. Lewis, Challinor & Hanson . arXiv:1101.2234. Pearson, Lewis & Regan . arXiv:1201.1010. some history. (based on D. . Kennefick’s. work). Historical tidbits. 1776: Laplace suggests four mechanisms that could explain secular perturbations of Moon-Earth orbit. One the explanations was a non-instantaneous propagation of gravity, affecting the binary system (abandoned because its speed would be too large to be measurable to explain the effect). . ULTRA-RELATIVISTIC COLLISIONS. Theodore Tomaras. University of Crete. Motivation. The relevance of classical gravity. A slightly simpler model – scalar radiation. The local and the non-local source. and. Quasars . “A man should look for what is, and not what he thinks should be.” – Albert Einstein . Arvind. Haran and David Johnston. What is Gravitational Lensing?. Let’s take a step back to the Einstein days…. Presentation for . 11. th. . Amaldi. Conference on Gravitational Waves. By. ASHOK TIWARI . June 25, 2015. Tribhuvan. University, Kathmandu, Nepal. 1. Outline. . Statement of the Problem. Introduction. Redshift. in Clusters of Galaxies. Marton Trencseni. Eotvos. University, Budapest. Gravitational . Redshift. Photon escapes from gravitational well. G. ains potential energy. Speed cannot decrease =). Overview of Why and How. Dan Burbank and Tony Young. AST5022. Introduction. Background. Physics. Sources. Detectors and Detector Implications. Questions. Gravitational Waves . Speed-of-light wave propagation solution of Einstein’s Field Equations. in Globular Clusters. Margarita . Safonova. . Ancient Greeks knew that light travels in a straight line... Or you wouldn’t be able to cross the road!. Gravitational . Lensing. —. Astronomical Mirages. Towards the first detection using SPT polarisation. ASA 2016 meeting, . Sydney. 04. 07. 2016. Srinivasan. . Raghunathan. School of Physics. University of Melbourne. In a nutshell . …. . South Pole Telescope – Observes CMB (both T, and P).. Kaiki Taro Inoue . (KINDAI U.). Seminar. @Osaka U 22 Feb 2017. Outline. Missing Satellite Problem. Gravitational Lensing . Substructure vs Line-of-sight Halos. ALMA Observations (SDP.81, MG0414+0534). SpeakerSherry SuyuInstitutionMax Planck Institute for Astrophysics MunichTitleCosmology with Gravitational Lens Time DelayAbstractStrong gravitational lenses with measured time delays between the mult