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Weak Lensing Psf Correction Of Wide Field Ccd Mosaic Images Suli Paper
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Book Synopsis Weak Lensing PSF Correction of Wide-field CCD Mosaic Images (SULI Paper). by : Marissa Cevallos
Download or read book Weak Lensing PSF Correction of Wide-field CCD Mosaic Images (SULI Paper). written by Marissa Cevallos and published by . This book was released on 2006 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gravitational lensing provides some of the most compelling evidence for the existence of dark matter. Dark matter on galaxy cluster scales can be mapped due to its weak gravitational lensing effect: a cluster mass distribution can be inferred from the net distortion of many thousands of faint background galaxies that it induces. Because atmospheric aberration and defects in the detector distort the apparent shape of celestial objects, it is of great importance to characterize accurately the point spread function (PSF) across an image. In this research, the PSF is studied in images from the Canada-France-Hawaii Telescope (CFHT), whose camera is divided into 12 CCD chips. Traditional weak lensing methodology involves averaging the PSF across the entire image: in this work we investigate the effects of measuring the PSF in each chip independently. This chip-by-chip analysis was found to reduce the strength of the correlation between star and galaxy shapes, and predicted more strongly the presence of known galaxy clusters in mass maps. These results suggest correcting the CFHT PSF on an individual chip basis significantly improves the accuracy of detecting weak lensing.
Book Synopsis Beam Acceleration In Crystals And Nanostructures - Proceedings Of The Workshop by : Gerard Mourou
Download or read book Beam Acceleration In Crystals And Nanostructures - Proceedings Of The Workshop written by Gerard Mourou and published by . This book was released on 2020 with total page 269 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Elementary Particles - Accelerators and Colliders by : Ugo Amaldi
Download or read book Elementary Particles - Accelerators and Colliders written by Ugo Amaldi and published by Springer. This book was released on 2013-03-27 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: After a historical consideration of the types and evolution of accelerators the physics of particle beams is provided in detail. Topics dealt with comprise linear and nonlinear beam dynamics, collective phenomena in beams, and interactions of beams with the surroundings. The design and principles of synchrotrons, circular and linear colliders, and of linear accelerators are discussed next. Also technological aspects of accelerators (magnets, RF cavities, cryogenics, power supply, vacuum, beam instrumentation, injection and extraction) are reviewed, as well as accelerator operation (parameter control, beam feedback system, orbit correction, luminosity optimization). After introducing the largest accelerators and colliders of their times the application of accelerators and storage rings in industry, medicine, basic science, and energy research is discussed, including also synchrotron radiation sources and spallation sources. Finally, cosmic accelerators and an outlook for the future are given.
Download or read book Yvain written by Chretien de Troyes and published by Yale University Press. This book was released on 1987-09-10 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt: A twelfth-century poem by the creator of the Arthurian romance describes the courageous exploits and triumphs of a brave lord who tries to win back his deserted wife's love
Book Synopsis The Large Hadron Collider by : Don Lincoln
Download or read book The Large Hadron Collider written by Don Lincoln and published by JHU Press. This book was released on 2014-10 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lincoln, a senior scientist at Fermi National Accelerator Laboratory and adjunct professor of physics at Notre Dame, gives readers an insider's view of the Hadron Collider from its conception, through its early discoveries and difficulties, to its greatest triumph, the discovery of the Higgs boson.
Book Synopsis America's National Game by : Albert Goodwill Spalding
Download or read book America's National Game written by Albert Goodwill Spalding and published by . This book was released on 1911 with total page 586 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is Albert Spaldings work of "historic facts concerning the beginning, evolution, development and popularity of base ball, with personal reminiscences of its vicissitudes, its victories and its votaries." It is one of the defining books in the early formative years of modern baseball.
Book Synopsis Galactic Pot-healer by : Philip K. Dick
Download or read book Galactic Pot-healer written by Philip K. Dick and published by Vintage. This book was released on 1994 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt: What could an omnipresent and seemingly omnipotent entity want with a humble pot-healer? Or with the dozens of other odd creatures it has lured to Plowman's Planet? And if the Glimmung is a god, are its ends positive or malign? Combining quixotic adventure, spine-chilling horror, and deliriously paranoid theology, Galactic Pot-Healer is a uniquely Dickian voyage to alternate worlds of the imagination.
Book Synopsis Charles Pettigrew, First Bishop-elect of the North Carolina Episcopal Church by : Bennett H Wall
Download or read book Charles Pettigrew, First Bishop-elect of the North Carolina Episcopal Church written by Bennett H Wall and published by Hassell Street Press. This book was released on 2021-09-10 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Book Synopsis Radio Free Albemuth by : Philip K. Dick
Download or read book Radio Free Albemuth written by Philip K. Dick and published by Voyager. This book was released on 1999 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt: As America gasps in a stranglehold of a skull-crushing totalitarian regime, a supernatural intelligence speaks from the stars. Will the agents of ominiscent Valis succeed in their mission of liberation? Or will the tactics of President Freemont extend the grip?
Book Synopsis The Cluetrain Manifesto by : Rick Levine
Download or read book The Cluetrain Manifesto written by Rick Levine and published by . This book was released on 2011 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt:
