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Author : Matthew D. Covington
Publisher :
ISBN 13 :
Total Pages : 322 pages
Book Rating : 4.:/5 (79 download)
Download or read book The Production and Evolution of Scaling Laws Via Galaxy Merging written by Matthew D. Covington and published by . This book was released on 2008 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 810 pages
Book Rating : 4.F/5 ( download)
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2009 with total page 810 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Luiz N. DaCosta
Publisher : Springer Science & Business Media
ISBN 13 : 3540696547
Total Pages : 416 pages
Book Rating : 4.5/5 (46 download)
Download or read book Galaxy Scaling Relations: Origins, Evolution and Applications written by Luiz N. DaCosta and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt: At close inspection every galaxy appears to have its own individuality.A galaxy can be warped, lop-sided, doubly-nucleated, boxy or disky, ... in its own specific, peculiar way. Hence, for a complete description, galaxy taxonomy may ask for finer and finer classification schemes. However, for some applications it may be more fruitful to let details aside and focus on some global properties of galaxies. One is then seeking to measure just a few quantities for each galaxy, a minimum set of globalobservables that yet captures some essential aspect of these objects. One very successful example of this approach is offered by the scaling rela tions of galaxies, the subject of the international workshop held at ESO head quarters in Garching on November 19-21, 1996. Discovered in the late 1970's, the Tully-Fisher relation for the spirals and the Faber-Jackson relation, or its more recent version the Fundamental Plane, for ellipticals have now become flourishing fields of astronomical research in their own right, as well as being widely used tools for a broad range of astronomical investigations. The work shop was designed to address three key issues on galaxy scaling relations, i.e., their Origins, Evolution, and Applications in astronomy. The Origins of galaxy scaling relations still escape our full understanding.
Author : Ana Maria Hidalgo-Gámez
Publisher : UNAM
ISBN 13 : 9789703228027
Total Pages : 340 pages
Book Rating : 4.2/5 (28 download)
Download or read book II International GTC Workshop written by Ana Maria Hidalgo-Gámez and published by UNAM. This book was released on 2005 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : D. Kunth
Publisher : Atlantica Séguier Frontières
ISBN 13 : 9782863321942
Total Pages : 668 pages
Book Rating : 4.3/5 (219 download)
Download or read book The Interplay Between Massive Star Formation, the ISM and Galaxy Evolution written by D. Kunth and published by Atlantica Séguier Frontières. This book was released on 1996 with total page 668 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kameswara Bharadwaj Mantha
Publisher :
ISBN 13 :
Total Pages : 241 pages
Book Rating : 4.:/5 (126 download)
Download or read book Constraining the Major Merging History of Massive Galaxies written by Kameswara Bharadwaj Mantha and published by . This book was released on 2021 with total page 241 pages. Available in PDF, EPUB and Kindle. Book excerpt: Major galaxy merging is a fundamental aspect of the hierarchical structure-growth scenario of the universe, and it is theoretical expected to contribute to several key aspects of galaxy evolution. As such, empirically identifying major mergers is a key methodological step towards assessing the ``merging -- galaxy evolution'' connection, and close-pair and morphology-based methods are established empirical merger identification techniques. Yet, the merger rate measurements from these methods vary up to a factor of five owing to their unique but analogous systematic biases, especially during the key epoch of galaxy growth (7-11 Gyr ago), highlighting that the merger contribution to galaxy growth remains poorly constrained. As a step towards addressing key open questions pertaining to empirical merger identification methodologies, we carryout comprehensive analysis of close pairs and merging induced tidal features (and in general galactic substructures) using forefront observational data from the Hubble Space Telescope (HST) and realistic mock observations from leading theoretical simulations. We analyze the incidence of major, similar-mass (mass ratio4) close pairs among a large sample of ~9800 massive galaxies (log Mstellar/Msun 10.3) from the HST-CANDELS survey and quantify the major merger rate evolution over 11 Gyr in cosmic history (published in Mantha et al., 2018). Using the mock light cone data from the leading SantaCruz Semi-Analytical Model (SAM), we systematically analyze the impact of different observational effects on the measurement of close-pair frequency and provide detailed statistical corrections to account for them. We also developed a new public software tool to extract and quantify different kinds of faint morphological substructures hosted by massive galaxies in the HST imaging and demonstrated its applicability in extracting tidal features using mock observations of a galaxy merger from a cosmological simulation (published in Mantha et al., 2019). Finally, using supervised and unsupervised deep-learning models, we also investigate the automated characterization of different morphological substructures hosted within the parametric light-profile subtracted residual images of 10,000 massive galaxies from the HST CANDELS survey.
Author : William C. Keel
Publisher : Springer Science & Business Media
ISBN 13 : 9781852335748
Total Pages : 266 pages
Book Rating : 4.3/5 (357 download)
Download or read book The Road to Galaxy Formation written by William C. Keel and published by Springer Science & Business Media. This book was released on 2002-09-20 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written by one of the leading authorities in the field, this is one of the first book's to describe one of today's most important problems in cosmology - the formation of galaxies. The book tackles this great puzzle by discusses the beginnings of the process from cosmological observations and calculations, considers the broad features of galaxies that we need to explain and what we know of their later history. The author compares the competing theories for galaxy formation and considers the progress expected from new generations of powerful telescopes both on earth and in space. An intriguing text on one of today's greatest and most profound puzzles.
Author : Jordan Michael Burkey
Publisher :
ISBN 13 :
Total Pages : 88 pages
Book Rating : 4.:/5 (299 download)
Download or read book Evolution of the Galaxy Merger Rate Using Deep HST/WFC Images written by Jordan Michael Burkey and published by . This book was released on 1993 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ignacio Ferreras
Publisher : UCL Press
ISBN 13 : 1911307614
Total Pages : 200 pages
Book Rating : 4.9/5 (113 download)
Download or read book Fundamentals of Galaxy Dynamics, Formation and Evolution written by Ignacio Ferreras and published by UCL Press. This book was released on 2019-04-02 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt: Galaxies, along with their underlying dark matter halos, constitute the building blocks of structure in the Universe. Of all fundamental forces, gravity is the dominant one that drives the evolution of structures from small density seeds at early times to the galaxies we see today. The interactions among myriads of stars, or dark matter particles, in a gravitating structure produce a system with fascinating connotations to thermodynamics, with some analogies and some fundamental differences. Ignacio Ferreras presents a concise introduction to extragalactic astrophysics, with emphasis on stellar dynamics, and the growth of density fluctuations in an expanding Universe. Additional chapters are devoted to smaller systems (stellar clusters) and larger ones (galaxy clusters). Fundamentals of Galaxy Dynamics, Formation and Evolution is written for advanced undergraduates and beginning postgraduate students, providing a useful tool to get up to speed in a starting research career. Some of the derivations for the most important results are presented in detail to enable students appreciate the beauty of maths as a tool to understand the workings of galaxies. Each chapter includes a set of problems to help the student advance with the material.
Author : Muhammad Jamil Aslam
Publisher : World Scientific
ISBN 13 : 9813224983
Total Pages : 343 pages
Book Rating : 4.8/5 (132 download)
Download or read book Mathematical Physics - Proceedings Of The 14th Regional Conference written by Muhammad Jamil Aslam and published by World Scientific. This book was released on 2018-04-11 with total page 343 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume consists of the scientific work presented at the 14th Regional Conference on Mathematical Physics, held in November 2015 in Islamabad, Pakistan, and dedicated to the memory of Riazuddin, the first Pakistani PhD student of the late Nobel laureate, Abdus Salam, and one of the pioneers who developed physics in Pakistan.This collection surveys the latest developments in a wide area of mathematical physics as presented by world-renowned experts. The contributors sample a number of topics including the formal aspects of mathematical physics, general relativity and cosmology, particle physics, astrophysics, string theory, black hole physics, quantum gravity, quantum field theory, condensed matter physics, symmetries in mathematics and physics, and even applied physics.
Author : Donald G. York
Publisher : Taylor & Francis
ISBN 13 : 1439836019
Total Pages : 438 pages
Book Rating : 4.4/5 (398 download)
Download or read book The Astronomy Revolution written by Donald G. York and published by Taylor & Francis. This book was released on 2016-04-19 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt: Some 400 years after the first known patent application for a telescope by Hans Lipperhey, The Astronomy Revolution: 400 Years of Exploring the Cosmos surveys the effects of this instrument and explores the questions that have arisen out of scientific research in astronomy and cosmology. Inspired by the international New Vision 400 conference held
Author : Xiaolei Zhang
Publisher : Walter de Gruyter GmbH & Co KG
ISBN 13 : 3110527421
Total Pages : 338 pages
Book Rating : 4.1/5 (15 download)
Download or read book Dynamical Evolution of Galaxies written by Xiaolei Zhang and published by Walter de Gruyter GmbH & Co KG. This book was released on 2017-12-04 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt: This research monograph presents a new dynamical framework for the study of secular morphological evolution of galaxies along the Hubble sequence. Classical approaches based on Boltzmann’s kinetic equation, as well as on its moment-equation descendants the Euler and Navier-Stokes fluid equations, are inadequate for treating the maintenance and long-term evolution of systems containing self-organized structures such as galactic density-wave modes. A global and synthetic approach, incorporating correlated fluctuations of the constituent particles during a nonequilibrium phase transition, is adopted to supplement the continuum treatment. The cutting-edge research combining analytical, N-body simulational, and observational aspects, as well as the fundamental-physics connections it provides, make this work a valuable reference for researchers and graduate students in astronomy, astrophysics, cosmology, many-body physics, complexity theory, and other related fields. Contents Dynamical Drivers of Galaxy Evolution N-Body Simulations of Galaxy Evolution Astrophysical Implications of the Dynamical Theory Putting It All Together Concluding Remarks Appendix: Relation to Kinetics and Fluid Mechanics
Author : Monique Spite
Publisher : Springer Science & Business Media
ISBN 13 : 9401142130
Total Pages : 561 pages
Book Rating : 4.4/5 (11 download)
Download or read book Galaxy Evolution: Connecting the Distant Universe with the Local Fossil Record written by Monique Spite and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 561 pages. Available in PDF, EPUB and Kindle. Book excerpt: This up-to-date review of the basic elements directly connected to the evolution of galaxies links data about remote galaxies to the observation of very old populations in our own galaxy. Young researchers and well-known specialists discuss the difficulties and remaining uncertainties of the problem.
Author : Houjun Mo
Publisher : Cambridge University Press
ISBN 13 : 0521857937
Total Pages : 841 pages
Book Rating : 4.5/5 (218 download)
Download or read book Galaxy Formation and Evolution written by Houjun Mo and published by Cambridge University Press. This book was released on 2010-05-20 with total page 841 pages. Available in PDF, EPUB and Kindle. Book excerpt: A coherent introduction for researchers in astronomy, particle physics, and cosmology on the formation and evolution of galaxies.
Author : Francoise Combes
Publisher : John Wiley & Sons
ISBN 13 : 1119817994
Total Pages : 288 pages
Book Rating : 4.1/5 (198 download)
Download or read book Galaxies written by Francoise Combes and published by John Wiley & Sons. This book was released on 2021-03-05 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt: Galaxies are vast ensembles of stars, gas and dust, embedded in dark matter halos. They are the basic building blocks of the Universe, gathered in groups, clusters and super-clusters. They exist in many forms, either as spheroids or disks. Classifications, such as the Hubble sequence (based on mass concentration and gas fraction) and the colormagnitude diagram (which separates a blue cloud from a red sequence) help to understand their formation and evolution. Galaxies spend a large part of their lives in the blue cloud, forming stars as spiral or dwarf galaxies. Then, via a mechanism that is still unclear, they stop forming stars and quietly end in the red sequence, as spheroids. This transformation may be due to galaxy interactions, or because of the feedback of active nuclei, through the energy released by their central super-massive black holes. These mechanisms could explain the history of cosmic star formation, the rate of which was far greater in the first half of the UniverseÂs life. Galaxies delves into all of these surrounding subjects in six chapters written by dedicated, specialist astronomers and researchers in the field, from their numerical simulations to their evolutions.
Author : Colin A. Norman
Publisher : Cambridge University Press
ISBN 13 : 9780521333801
Total Pages : 264 pages
Book Rating : 4.3/5 (338 download)
Download or read book Stellar Populations written by Colin A. Norman and published by Cambridge University Press. This book was released on 1986 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive survey of stellar populations traces them from initial mass function and star formation histories through the chemical history of galaxies and their observed evolution.
Author : Luiz Nicolaci Da Costa
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (378 download)
Download or read book Galaxy Scaling Relations written by Luiz Nicolaci Da Costa and published by . This book was released on 1997 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
