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Author : Juan Enrique Cabanela Larrinaga
Publisher : Unknown
Page : 538 pages
File Size : 53,7 Mb
Release : 1999
Category : Electronic
ISBN : MINN:31951P00693974B
Author : Donald Hamilton
Publisher : Springer Science & Business Media
Page : 423 pages
File Size : 41,8 Mb
Release : 2012-12-06
Category : Science
ISBN : 9789401149600
1. The Workshop and this Tome In the excellent bucolic setting of SchloB Ringberg in Upper Bavaria, over 50 scientists assembled during the week of 23-28 September 1996 to discuss recent results, both theoretical and observational in nature, on the large scale structure of the Universe. Such a topic is perhaps nowadays far too encompassing, and is essentially all of what we used to call "observational cosmology. " The original philosophy of the organization of this meeting was deliber ated aimed at the younger community and their contributions. As a conse quence, the content of the presentations was refreshingly new, as it should be. In spite of the deficiences caused by the lack of certain key researchers in this field, for one reason or another, the final result was rewarding to all. Although the conference was held in Fall 1996, the contributions contained herein were submitted as late as Spring 1998, thus the content maintains some degree of trendiness. Originally the current volume was to be a "proceedings. " This refers to the usual archival tome that fills one's shelf and is rarely consulted, except to see the canonical group photo, which by the way, we also have. Nevertheless, I wanted something more than that. Although the field is rapidly changing, with so-called facts in a state ofconstant volubility, now is a good time for reflection prior to the commencement ofthe Sloan Survey, presumably the definitive large-scale program of low- to moderate-redshift galaxies in our lifetime.
Author : William C. Saslaw
Publisher : Cambridge University Press
Page : 524 pages
File Size : 53,9 Mb
Release : 2000
Category : Science
ISBN : 9780521394260
This topical volume examines one of the leading problems in astronomy - how galaxies cluster in our Universe. This book, first published in 2000, describes gravitational theory, computer simulations and observations related to galaxy distribution functions. It embeds distribution functions in a broader astronomical context, including other exciting contemporary topics such as correlation functions, fractals, bound clusters, topology, percolation and minimal spanning trees. Key results are derived and the necessary gravitational physics provided to ensure the book is self-contained. Throughout the book, theory, computer simulation and observation are carefully interwoven and critically compared. The book also shows how future observations can test the theoretical models for the evolution of galaxy clustering at early times in our Universe. This clear and authoritative volume is written at a level suitable for graduate students, and will be of key interest to astronomers, cosmologists, physicists and applied statisticians.
Author : Willem Jan Geert de Blok,Erwin de Blok
Publisher : Unknown
Page : 196 pages
File Size : 46,6 Mb
Release : 1997
Category : Astronomical photometry
ISBN : UOM:39015041319735
Author : G. Longo,M. Capaccioli,G. Busarello
Publisher : Springer Science & Business Media
Page : 489 pages
File Size : 43,5 Mb
Release : 2012-12-06
Category : Science
ISBN : 9789401125222
The morphological scheme devised by Hubble and followers to classify galaxies has proven over many decades to be quite effective in directing our quest for the fundamental pa rameters describing the extragalactic manifold. This statement is however far more true for spirals than for ellipticals. Echoing the concluding remarks in Scott Tremaine's sum mary talk at the Princeton meeting on Structure and Dynamics of Elliptical Galaxies, "the Hubble classification of spirals is useful because many properties of spirals (gas con tent, spiral arm morphology, bulge prominence, etc. ) all correlate with Hubble time. By contrast, almost nothing correlates with the elliptical Hubble sequence El to E7. " During the last few years much effort has been put into the search for a more meaningful classification of ellipticals than Hubble's. Concomitantly, forwarded by some provocative conjectures by R. Michard, the classical question of whether E galaxies form a physically homogeneous family has been brushed up once more. Results of these and other parallel studies look rather promising and point to suture part of the dichotomy between ellipticals and disk galaxies which had become popular in the early eighties, owing to dynamical arguments. At the same time it appears more and more clear that, besides the usual genetic varieties of galaxies, products of environmental evolution must also be contemplated in building our modern picture of the "reign of galaxies" . The above considerations prompted us to solicit Prof.
Author : International Astronomical Union
Publisher : Unknown
Page : 480 pages
File Size : 42,6 Mb
Release : 2003
Category : Astronomy
ISBN : UOM:39015054000412
Author : P Murdin
Publisher : CRC Press
Page : 5610 pages
File Size : 48,8 Mb
Release : 2001-01-01
Category : Science
ISBN : 9781000523034
In a unique collaboration, Nature Publishing Group and Institute of Physics Publishing have published the most extensive and comprehensive reference work in astronomy and astrophysics. This unique resource covers the entire field of astronomy and astrophysics and this online version includes the full text of over 2,750 articles, plus sophisticated search and retrieval functionality and links to the primary literature. The Encyclopaedia's authority is assured by editorial and advisory boards drawn from the world's foremost astronomers and astrophysicists. This first class resource is an essential source of information for undergraduates, graduate students, researchers and seasoned professionals, as well as for committed amateurs, librarians and lay people wishing to consult the definitive astronomy and astrophysics reference work.
Author : Halton C. Arp,B. Madore
Publisher : Cambridge University Press
Page : 226 pages
File Size : 45,6 Mb
Release : 1987-05-29
Category : Science
ISBN : 0521330866
This is the largest sample yet compiled of over 6,000 disturbed galaxies: observations of galaxies in collision, galaxies exploding or ejecting material, distorted galaxies, and galaxies in near collision with each other. Volume I contains positions in right ascension and declination, galactic latitude and longitude, and super-galactic latitude and longitude, accurate to 15 arcseconds.
Author : National Radio Astronomy Observatory (U.S.)
Publisher : Unknown
Page : 314 pages
File Size : 46,8 Mb
Release : 1965
Category : Astronomy
ISBN : UCSC:32106020742141
Author : Gregory Bothun
Publisher : CRC Press
Page : 321 pages
File Size : 45,5 Mb
Release : 2020-11-25
Category : Science
ISBN : 9781000124026
In recent years an enormous amount of cosmological data has come from well known projects such as the Hubble Space Telescope (HST) and the Cosmic Background Explorer (COBE). This book explains and makes sense of this vast array of new observational data in terms of its impact on current cosmological models. With new theories and a plethora of data feeding cosmology in the 1990s, Gregory Bothun sets about the task of re- assessing our cosmological models. He outlines exactly what the latest observations are, and how they should be seen as either consistent or in conflict with current cosmogenic scenarios. In this search for a reconciliation of current data with competing theory, he explains how Einstein's idea of a cosmological constant has now become a viable hypothesis. This authoritative text should be valuable to all those studying cosmological observations at advanced undergraduate or beginning graduate level. Bothun draws a path through cosmology by defining a trajectory that is based on the data. This should also provide a framework for professional cosmologists and related readers in physics as it presents a solid observational foundation which either supports or conflicts with present theory. The book is illustrated including many CCD images of galaxies. Given the rapidly changing nature of the field, this book is supported by a World Wide Web site of supplementary material that is designed to readily update the material in the book.
Author : Anonim
Publisher : Unknown
Page : 764 pages
File Size : 55,6 Mb
Release : 2006
Category : Dissertations, Academic
ISBN : STANFORD:36105121673177
Author : Marino Mezzetti,G. Giuricin,F. Mardirossian,M. Ramella
Publisher : Springer Science & Business Media
Page : 489 pages
File Size : 46,8 Mb
Release : 2012-12-06
Category : Science
ISBN : 9789400909038
The 1980's have been times of great excitement in Astrophysics and Cosmology. Professors Dennis Sciama and Fabio Mardirossian and all the other Members of the Organizing Committees are to be congratulated for having given us a taste of this excitement in Trieste, by inviting the leaders of the subject to the meeting they have organized. The excitement has corne from the new observations of the three-dimensional structure of the universe through a large number of new measurements of redshifts. These have revealed that clusters of galaxies are distributed on the surface of big empty bubbles of diameters of the order of 20-50 Mpc. Additionally, there is some evidence for invisible dark matter (whose composition is not known) as well as evidence for the gravitational lens effect. To cap this has corne the supernova of 1987, an event which last occurred 383 years ago. For the first time in history, the neutrino flux from the supernova was measured, giving limits to neutrino masses and numbers of neutrino types. (The dark matter problem is related to Particle Physics - beyond this standard model). It is good to be alive when all this happens and to try to comprehend this. Once again, our appreciation to the organisers and to those who presented their beautiful results.
Author : Robert Grossman
Publisher : Soc for Industrial & Applied Math
Page : 616 pages
File Size : 52,5 Mb
Release : 2002
Category : Computers
ISBN : UVA:X004470686
This text constitutes the proceedings of the Second SIAM International Conference on Data Mining. Topics covered within include mining large data sets; casualty rules and data learning; support vector machines and neural networks; and mining sequential and structured patterns.
Author : Astronomisches Rechen-Institut
Publisher : Springer Science & Business Media
Page : 1592 pages
File Size : 41,9 Mb
Release : 2013-06-29
Category : Science
ISBN : 9783662123768
"Astronomy and Astrophysics Abstracts" appearing twice a year has become oneof the fundamental publications in the fields of astronomy, astrophysics andneighbouring sciences. It is the most important English-language abstracting journal in the mentioned branches. The abstrats are classified under more than a hundred subject categories, thus permitting a quick survey of the whole extended material. The AAA is a valuable and important publication for all students and scientists working in the fields of astronomy and related sciences. As such it represents a necessary ingredient of any astronomical library all over the world.
Author : Gerhard Börner
Publisher : Springer Science & Business Media
Page : 479 pages
File Size : 41,6 Mb
Release : 2013-04-17
Category : Science
ISBN : 9783662027349
Connections developed in recent years between particle physics and cosmologyare the focus of attention in this new textbook. The author describes some of the theories which have been developed to describe the fundamental interaction of elementary particles in the extremely high temperatures of the early universe, taking care to distinguish facts and well-established results from hypotheses and speculations. - The three parts of the book discuss the standard hot big bang model of the earlyuniverse, the basic ideas of the standard and the grand unified theories of elementary particles, and the influence of dark matter on the large-scale evolution of structure. In addition to making some minorcorrections the author has added an appendix presenting new results and an updated bibliography. Two main groups of readers are addressed: research students in astronomy can use this book to understand the impact of elementary particle theory on cosmology, while research students in particle physics can use it to acquaint themselves with the basic facts of cosmology. The book is written carefully enough to appeal also to a wider audience of physicists.