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Author : Dominik Rosenbaum
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (179 download)
Download or read book Low Surface Brightness Galaxies and Their Environments written by Dominik Rosenbaum and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Sarah Roberts
Publisher :
ISBN 13 :
Total Pages : 229 pages
Book Rating : 4.:/5 (87 download)
Download or read book Search for Low Surface Brightness Dwarf Galaxies in Different Environments written by Sarah Roberts and published by . This book was released on 2005 with total page 229 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : David J. Hollenbach
Publisher :
ISBN 13 :
Total Pages : 424 pages
Book Rating : 4.:/5 (317 download)
Download or read book The Evolution of Galaxies and Their Environment written by David J. Hollenbach and published by . This book was released on 1993 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Willem Jan Geert de Blok
Publisher :
ISBN 13 :
Total Pages : 196 pages
Book Rating : 4.3/5 (91 download)
Download or read book The Properties and Evolution of Low Surface Brightness Galaxies written by Willem Jan Geert de Blok and published by . This book was released on 1997 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Lindsey Hands
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (135 download)
Download or read book Metallicity Gradients of Low Surface Brightness Galaxies written by Lindsey Hands and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Low Surface Brightness (LSB) spirals reveal a gap in the current understanding of galaxy evolution and the environments that drive star formation because, despite being gas-rich, they have not converted much of their gas into stars. Previous studies on the metallicity gradients of LSB spirals have produced conflicting results: some point to a slightly positive gradient, and other results indicate negative gradients similar to those of High Surface Brightness (HSB) spirals. In HSB spirals, the radially decreasing metallicity signifies an inside-out star formation history. By comparing LSB and HSB metallicity gradients, insight can be gained into the evolution of this paradoxical galaxy class. Using spatially resolved optical data, this thesis presents maps of metallicity and metallicity vs galactocentric distance plots in a sample of 6 LSB spirals. Ultimately, no gradients were found in the sample.
Author : Stacy Sutton McGaugh
Publisher :
ISBN 13 :
Total Pages : 370 pages
Book Rating : 4.3/5 (91 download)
Download or read book The Physical Properties of Low Surface Brightness Galaxies written by Stacy Sutton McGaugh and published by . This book was released on 1992 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Keith M. Ashman
Publisher : Cambridge University Press
ISBN 13 : 9780521087834
Total Pages : 184 pages
Book Rating : 4.0/5 (878 download)
Download or read book Globular Cluster Systems written by Keith M. Ashman and published by Cambridge University Press. This book was released on 2008-12-11 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt: Globular clusters are roughly spherical, densely packed groups of stars found around galaxies. Most globular clusters probably formed at the same time as their host galaxies. Therefore they provide a unique fossil record of the conditions during the formation and early evolution of galaxies. This volume presents a comprehensive review of globular cluster systems. It summarizes their observed properties and shows how these constrain models of the structure of stars, the formation and evolution of galaxies and globular clusters, and the age of the Universe. For graduate students and researchers, this timely volume provides the definitive reference on globular cluster systems.
Author : Klaas Sjoerds Boer
Publisher :
ISBN 13 :
Total Pages : 340 pages
Book Rating : 4.3/5 (243 download)
Download or read book Dwarf Galaxies and Their Environment written by Klaas Sjoerds Boer and published by . This book was released on 2001 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : David Merritt
Publisher : Cambridge University Press
ISBN 13 : 1108665683
Total Pages : 285 pages
Book Rating : 4.1/5 (86 download)
Download or read book A Philosophical Approach to MOND written by David Merritt and published by Cambridge University Press. This book was released on 2020-04-30 with total page 285 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dark matter is a fundamental component of the standard cosmological model, but in spite of four decades of increasingly sensitive searches, no-one has yet detected a single dark-matter particle in the laboratory. An alternative cosmological paradigm exists: MOND (Modified Newtonian Dynamics). Observations explained in the standard model by postulating dark matter are described in MOND by proposing a modification of Newton's laws of motion. Both MOND and the standard model have had successes and failures – but only MOND has repeatedly predicted observational facts in advance of their discovery. In this volume, David Merritt outlines why such predictions are considered by many philosophers of science to be the 'gold standard' when it comes to judging a theory's validity. In a world where the standard model receives most attention, the author applies criteria from the philosophy of science to assess, in a systematic way, the viability of this alternative cosmological paradigm.
Author : Bärbel Silvia Koribalski
Publisher : Springer Science & Business Media
ISBN 13 : 1402069332
Total Pages : 375 pages
Book Rating : 4.4/5 (2 download)
Download or read book Galaxies in the Local Volume written by Bärbel Silvia Koribalski and published by Springer Science & Business Media. This book was released on 2009-04-29 with total page 375 pages. Available in PDF, EPUB and Kindle. Book excerpt: This timely book presents an overview of the galaxies within the Local Volume, including the Local Group and our closest neighbours, the Andromeda Galaxy and the Magellanic Clouds. Presented here are the latest results from radio, infrared and optical surveys as well as detailed multi-wavelength studies of individual galaxies. The book aims to provide a vibrant forum for presentations and discussions across a broad range of astrophysical topics.
Author : David Sprayberry
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (139 download)
Download or read book Cosmological implications of low surface brightness galaxies (PHD). written by David Sprayberry and published by . This book was released on 1994 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Brisa Mancillas Vaquera
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (116 download)
Download or read book Extending the Realm of Galaxies to the Low Surface Brightness Universe written by Brisa Mancillas Vaquera and published by . This book was released on 2019 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The exploration of diffuse light emission and the outskirts of galaxies in the regime of the Low Surface Brightness (LSB) is of utmost importance to understand the formation mechanism of galaxy evolution, and is essential to constrain the current theoretical models and numerical simulations in the cosmological context. Observational data, both in optical and radio emission, complemented with hydrodynamical cosmological numerical simulations provide us a crucial information about the morphological properties of substructures surrounding massive galaxies, as well as the mass distribution, molecular gas content and star formation of LSB galaxies such as the recently discovered Ultra Diffuse Galaxies (UDGs).This thesis presents several analysis addressed to the study of these schemes. In first instance, motivated in the most recent works about optimized deep imaging surveys observed with the CFHT telescope, which have revealed prominent LSB fine structures classified like tidal tails, stellar streams and shells, we have computed statistics of an hydrodynamical numerical simulation in order to interpret observations and make inferences about the past mass assembly of galaxies. We made a census of these substructures and computed their survival time. We also studied their dependence with several properties like the projection and the surface brightness. We found that shells and streams remains visible around 4 Gyr and they are mainly associated to minor mergers and a continuous diffuse gas accretion, while tidal tails have a durability time of around 1 Gyr and are correlated with major merger events. In parallel, in this work we made use of a semi-empirical approach to build-up a mock catalog with the aim to make predictions about scaling relations and constrain physical parameters of UDGs and LSB galaxies.On the other hand, we have performed CO spectroscopy surveys of UDGs observed at IRAM-30m to quantify the molecular gas content. The selected galaxies were conformed by sources from several environments and different properties, including objects like the very red galaxies Dragonfly 44 and DGSAT I. We have obtained unprecedented upper limits of their CO mass (few 10^6 - 10^7 solar masses). We also made CO observations at IRAM-30m to detect molecular gas content in a sample of four early-type galaxies that exhibit prominent shell galaxies like the case of NGC 0474 and Arp 230. Our goal is to test the phase wrapping formation model proposed in numerical simulations. We detected a molecular mass of around 10^8 solar masses in several shells of one galaxy of our sample and we report the mass upper limits for the other cases.
Author : Nils Bergvall
Publisher :
ISBN 13 :
Total Pages : 10 pages
Book Rating : 4.:/5 (186 download)
Download or read book Blue Low Surface-brightness Galaxies written by Nils Bergvall and published by . This book was released on 1991 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ji Hoon Kim
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (423 download)
Download or read book The Star Formation History of Low Surface Brightness Galaxies written by Ji Hoon Kim and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book A Large Survey for Very Low Surface Brightness Galaxies written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Willem Jan Geert De Blok
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (716 download)
Download or read book The Properties and Evolution of Low Surface Brightness Galaxies written by Willem Jan Geert De Blok and published by . This book was released on 1997 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Johan H. Knapen
Publisher : Springer
ISBN 13 : 3319565702
Total Pages : 367 pages
Book Rating : 4.3/5 (195 download)
Download or read book Outskirts of Galaxies written by Johan H. Knapen and published by Springer. This book was released on 2017-07-09 with total page 367 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book consists of invited reviews written by world-renowned experts on the subject of the outskirts of galaxies, an upcoming field which has been understudied so far. These regions are faint and hard to observe, yet hide a tremendous amount of information on the origin and early evolution of galaxies. They thus allow astronomers to address some of the most topical problems, such as gaseous and satellite accretion, radial migration, and merging. The book is published in conjunction with the celebration of the end of the four-year DAGAL project, an EU-funded initial training network, and with a major international conference on the topic held in March 2016 in Toledo. It thus reflects not only the views of the experts, but also the scientific discussions and progress achieved during the project and the meeting. The reviews in the book describe the most modern observations of the outer regions of our own Galaxy, and of galaxies in the local and high-redshift Universe. They tackle disks, haloes, streams, and accretion as observed through deep imaging and spectroscopy, and guide the reader through the various formation and evolution scenarios for galaxies. The reviews focus on the major open questions in the field, and explore how they can be tackled in the future. This book provides a unique entry point into the field for graduate students and non-specialists, and serves as a reference work for researchers in this exciting new field.
