The Nature of Dusty Star-Forming Galaxies

The Nature of Dusty Star-Forming Galaxies
Title The Nature of Dusty Star-Forming Galaxies PDF eBook
Author William Cowley
Publisher Springer
Pages 221
Release 2017-10-02
Genre Science
ISBN 3319667483

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This thesis combines a theoretical model of galaxy formation with a treatment of the radiative transfer in the titular dusty star-forming galaxies. Embedding this within the well-established ΛCDM (Lambda cold dark matter) cosmology, the author was able to simulate galaxy populations from which realistic observational images were synthesised. Based on further analysis, he shows that there is a good correspondence with observations from new instruments such as the SCUBA2 bolometric camera and the Atacama Large Millimeter Array (ALMA) interferometer, and reveals some novel aspects of this exciting galaxy population. In particular, he shows that blending of these galaxies in the imaging produces an artificial enhancement in their clustering, which he dubs “blending bias”. This implies that the host dark matter halo masses for these galaxies have previously been significantly overestimated. He also presents amongst the first predictions from a galaxy formation model for observations of these galaxies that will be made by the James Webb Space Telescope (the successor to the Hubble Space Telescope).

The Hubble Deep Field

The Hubble Deep Field
Title The Hubble Deep Field PDF eBook
Author Space Telescope Science Institute (U.S.). Symposium
Publisher Cambridge University Press
Pages 328
Release 1998-10-13
Genre Science
ISBN 9780521630979

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The Hubble Deep Field (HDF) is the deepest optical image of the Universe ever obtained. It is the result of a 150-orbit observing programme with the Hubble Space Telescope. It provides a unique resource for researchers studying the formation and evolution of stars and galaxies. This timely volume provides the first comprehensive overview of the HDF and its scientific impact on our understanding in cosmology. It presents articles by a host of world experts who gathered together at an international conference at the Space Telescope Science Institute. The contributions combine observations of the HDF at a variety of wavelengths with the latest theoretical progress in our understanding of the cosmic history of star and galaxy formation. The HDF is set to revolutionize our understanding in cosmology. This book therefore provides an indispensable reference for all graduate students and researchers in observational or theoretical cosmology.

Night Vision

Night Vision
Title Night Vision PDF eBook
Author Michael Rowan-Robinson
Publisher Cambridge University Press
Pages 263
Release 2013-04-08
Genre Nature
ISBN 1107024765

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Michael Rowan-Robinson provides a comprehensive history of infrared astronomy in this accessible and well-illustrated guide.

Deep Millimeter Surveys: Implications For Galaxy Formation And Evolution

Deep Millimeter Surveys: Implications For Galaxy Formation And Evolution
Title Deep Millimeter Surveys: Implications For Galaxy Formation And Evolution PDF eBook
Author David H Hughes
Publisher World Scientific
Pages 223
Release 2001-10-29
Genre Science
ISBN 9814492094

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The arrival of large submillimeter and millimeter-wave detector arrays opened a new window on galaxy formation and evolution. The major new facilities now being designed or constructed, such as ALMA (MMA) and the Large Millimeter Telescope (LMT), will soon be expanding the horizons even farther.The Conference on “Deep Millimeter Surveys: Implications for Galaxy Formation and Evolution” drew together the major international groups working on submillimeter and millimeter-wave galaxies to discuss their relation to other galaxies both near by and in the early Universe, the role of the LMT and other new facilities in advancing the new field, and the implications of the new results and models for our understanding of galaxy formation and evolution. The resulting compendium of reports on observations, simulations, theory and interpretation, and instrumentation is the first book to present the new millimeter view of the early Universe thoroughly in a single volume.

Dust in the Galactic Environment

Dust in the Galactic Environment
Title Dust in the Galactic Environment PDF eBook
Author D.C.B Whittet
Publisher CRC Press
Pages 405
Release 2018-10-08
Genre Science
ISBN 1482268647

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Dust is a ubiquitous feature of the cosmos, impinging directly or indirectly on most fields of modern astronomy and astrophysics. Dust in the Galactic Environment, Second Edition provides a thorough overview of the subject, covering general concepts, methods of investigation, important results and their significance, relevant literature, and some suggestions for promising avenues of future research. Since the publication of the first edition of this popular graduate text, major advances have been made in our understanding of astrophysical dust, especially in the light of exciting new results from space- and ground-based telescopes, together with advances in laboratory astrophysics and theoretical modeling. This new, expanded edition highlights the latest results and provides a context for future research opportunities. The first chapter provides a historical perspective for current research and an overview of interstellar environments and the role of dust in astrophysical processes, followed by a discussion of the cosmic history of the chemical elements expected to be present in dust and an examination of the effect of gas-dust interactions on gas phase abundances. The next several chapters describe the observed properties of interstellar grains, such as their extinction, polarization, absorption, and emission characteristics. Then, the book explores the origin and evolution of dust, tracing its life cycle in a succession of environments from circumstellar shells to diffuse interstellar clouds, molecular clouds, protostars, and protoplanetary disks. The final chapter summarizes progress toward a unified model. Dust in other galaxies is discussed as an integral part of the text rather than as a distinct topic requiring separate chapters. Containing extensive references and problems to aid understanding and illustrate basic principles, the book is ideally suited for graduate and advanced undergraduate courses. It will also be an invaluable reference for postgraduate students and researchers working in this important field.

The Best American Science and Nature Writing 2022

The Best American Science and Nature Writing 2022
Title The Best American Science and Nature Writing 2022 PDF eBook
Author Ayana Elizabeth Johnson
Publisher HarperCollins
Pages 244
Release 2022-11-01
Genre Literary Collections
ISBN 035861449X

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A collection of the best science and nature articles written in 2021, selected by guest editor renowned marine biologist Dr. Ayana Elizabeth Johnson and series editor Jaime Green. Dr. Ayana Elizabeth Johnson, renowned marine biologist and co-founder of the All We Can Save climate initiative, compiles the best science and nature writing of the year.

Origins of Life

Origins of Life
Title Origins of Life PDF eBook
Author Vlado Valkovic
Publisher CRC Press
Pages 423
Release 2021-11-09
Genre Science
ISBN 1000470784

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The primary purpose of this book is to prepare the ground for coordinated efforts aiming to answer the question: where and when life originated. The appearance of life involves three successive stages: i) the formation of chemical elements and their combination to simple molecules, which is the concern of physicists; ii) the evolution of organized complexity in biomolecules and their reactions, which falls within the field of chemistry; iii) the onset of Darwinian evolution after the appearance of the first cell-like structure, which is studied by biologists. This book focuses on the first two steps of this process with chapters exploring topics such as chemical element abundances; galaxies, galactic magnetic fields and cosmic rays; galactic chemical evolution. Key Features: Contains extensive lists of reference and additional reading. Includes new hypotheses concerning the origin of life. Combines consideration from nuclear physics, astrophysics, astro- and geochemistry. Despite its interdisciplinary nature, this book remains accessible to nonexperts, and would be a valuable companion for both experts and laypeople.