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Characterization of LSST Camera Sensor Effects During Integration and Testing

Characterization of LSST Camera Sensor Effects During Integration and Testing
Author: Adam Snyder
Publisher:
Total Pages:
Release: 2020
Genre:
ISBN:

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Integration and testing of the Vera C. Rubin Observatory's Legacy Survey of Space and Time (LSST) Camera is currently being performed at the SLAC National Accelerator Laboratory. Once completed, the LSST Camera will be used to perform one of the largest wide-field astronomical surveys in the optical, generate an unprecedented amount of data, and allow for cosmological analyses with great statistical power. In order to realize the full benefit of the increase in statistical precision that the LSST aims to accomplish, it is necessary to have a deep understanding of systematic effects that may negatively impact the accuracy of the survey science results. One particular type of systematic effects are those resulting from aspects or behavior of the charge-coupled devices (CCDs) used for digital imaging. The LSST Camera focal plane is heavily segmented, consisting of 189 CCDs arranged into 21 stand-alone Raft Tower Modules (RTMs), each of which must be carefully verified and tested to ensure that they adhere to the requirements of the project. In this thesis I present the results of electro-optical testing of the focal plane electronic crosstalk, astrometric and shape distortions due to static pixel area variations, and deferred charge effects.


New Worlds, New Horizons in Astronomy and Astrophysics

New Worlds, New Horizons in Astronomy and Astrophysics
Author: National Research Council
Publisher: National Academies Press
Total Pages: 324
Release: 2011-02-04
Genre: Science
ISBN: 0309157994

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Driven by discoveries, and enabled by leaps in technology and imagination, our understanding of the universe has changed dramatically during the course of the last few decades. The fields of astronomy and astrophysics are making new connections to physics, chemistry, biology, and computer science. Based on a broad and comprehensive survey of scientific opportunities, infrastructure, and organization in a national and international context, New Worlds, New Horizons in Astronomy and Astrophysics outlines a plan for ground- and space- based astronomy and astrophysics for the decade of the 2010's. Realizing these scientific opportunities is contingent upon maintaining and strengthening the foundations of the research enterprise including technological development, theory, computation and data handling, laboratory experiments, and human resources. New Worlds, New Horizons in Astronomy and Astrophysics proposes enhancing innovative but moderate-cost programs in space and on the ground that will enable the community to respond rapidly and flexibly to new scientific discoveries. The book recommends beginning construction on survey telescopes in space and on the ground to investigate the nature of dark energy, as well as the next generation of large ground-based giant optical telescopes and a new class of space-based gravitational observatory to observe the merging of distant black holes and precisely test theories of gravity. New Worlds, New Horizons in Astronomy and Astrophysics recommends a balanced and executable program that will support research surrounding the most profound questions about the cosmos. The discoveries ahead will facilitate the search for habitable planets, shed light on dark energy and dark matter, and aid our understanding of the history of the universe and how the earliest stars and galaxies formed. The book is a useful resource for agencies supporting the field of astronomy and astrophysics, the Congressional committees with jurisdiction over those agencies, the scientific community, and the public.


DN to [lambda]

DN to [lambda]
Author: James R. Janesick
Publisher: SPIE Press
Total Pages: 280
Release: 2007
Genre: Computers
ISBN: 9780819467225

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Contains more than 230 figures that present experimental CCD and CMOS data products and modeling simulations connected to photon transfer. This title also provides hundreds of relations that support photon transfer theory, simulations, and data.


Defending Planet Earth

Defending Planet Earth
Author: National Research Council
Publisher: National Academies Press
Total Pages: 152
Release: 2010-07-21
Genre: Science
ISBN: 0309149681

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The United States spends approximately $4 million each year searching for near-Earth objects (NEOs). The objective is to detect those that may collide with Earth. The majority of this funding supports the operation of several observatories that scan the sky searching for NEOs. This, however, is insufficient in detecting the majority of NEOs that may present a tangible threat to humanity. A significantly smaller amount of funding supports ways to protect the Earth from such a potential collision or "mitigation." In 2005, a Congressional mandate called for NASA to detect 90 percent of NEOs with diameters of 140 meters of greater by 2020. Defending Planet Earth: Near-Earth Object Surveys and Hazard Mitigation Strategies identifies the need for detection of objects as small as 30 to 50 meters as these can be highly destructive. The book explores four main types of mitigation including civil defense, "slow push" or "pull" methods, kinetic impactors and nuclear explosions. It also asserts that responding effectively to hazards posed by NEOs requires national and international cooperation. Defending Planet Earth: Near-Earth Object Surveys and Hazard Mitigation Strategies is a useful guide for scientists, astronomers, policy makers and engineers.


Handbook of CCD Astronomy

Handbook of CCD Astronomy
Author: Steve B. Howell
Publisher: Cambridge University Press
Total Pages: 4
Release: 2006-03-02
Genre: Science
ISBN: 113945076X

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Charge-Coupled Devices (CCDs) are the state-of-the-art detector in many fields of observational science. Updated to include all of the latest developments in CCDs, this second edition of the Handbook of CCD Astronomy is a concise and accessible reference on all practical aspects of using CCDs. Starting with their electronic workings, it discusses their basic characteristics and then gives methods and examples of how to determine these values. While the book focuses on the use of CCDs in professional observational astronomy, advanced amateur astronomers, and researchers in physics, chemistry, medical imaging, and remote sensing will also find it very valuable. Tables of useful and hard-to-find data, key practical equations, and new exercises round off the book and ensure that it provides an ideal introduction to the practical use of CCDs for graduate students, and a handy reference for more experienced users.


Very Low-Mass Stars and Brown Dwarfs

Very Low-Mass Stars and Brown Dwarfs
Author: Rafael Rebolo
Publisher: Cambridge University Press
Total Pages: 284
Release: 2000-11-27
Genre: Science
ISBN: 9780521663359

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This volume provides a state-of-the-art review of our current knowledge of brown dwarfs and very low-mass stars. The hunt for and study of these elusive objects is currently one of the most dynamic areas of research in astronomy for two reasons. Brown dwarfs bridge the gap between stars and planets, and they may constitute an important part of the 'dark matter' of the Universe. This volume presents review articles from a team of international authorities who gathered at a conference in La Palma to assess the spectacular progress that has been made in this field in the last few years.


Scientific Data Mining

Scientific Data Mining
Author: Chandrika Kamath
Publisher: SIAM
Total Pages: 295
Release: 2009-06-04
Genre: Mathematics
ISBN: 0898716756

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Chandrika Kamath describes how techniques from the multi-disciplinary field of data mining can be used to address the modern problem of data overload in science and engineering domains. Starting with a survey of analysis problems in different applications, it identifies the common themes across these domains.


Light Curves of Variable Stars

Light Curves of Variable Stars
Author: C. Sterken
Publisher: Cambridge University Press
Total Pages: 253
Release: 1996-10-28
Genre: Science
ISBN: 0521390168

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The most complete and up-to-date reference volume available on variable stars, their classification and properties.


Scientific Charge-coupled Devices

Scientific Charge-coupled Devices
Author: James R. Janesick
Publisher: SPIE Press
Total Pages: 936
Release: 2001
Genre: Technology & Engineering
ISBN: 9780819436986

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"The book provides invaluable information to scientists, engineers, and product managers involved with imaging CCDs, as well as those who need a comprehensive introduction to the subject."--Page 4 de la couverture