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| Author | : B. W. Holwerda |
| Publisher | : |
| Total Pages | : 0 |
| Release | : 2021 |
| Genre | : Galaxies |
| ISBN | : 9780750334990 |
Galaxy morphology is a long-standing subfield of astronomy, moving from visual qualifications to quantitative morphometrics. This book covers the descriptions developed by astronomers to describe the appearance of galaxies, primarily in optical, ultraviolet and near-infrared wavelengths.
| Author | : Sidney Van den Bergh |
| Publisher | : Cambridge University Press |
| Total Pages | : 125 |
| Release | : 1998-04-16 |
| Genre | : Science |
| ISBN | : 0521623359 |
A concise and up-to-date guide to the shape of galaxies and how they can be classified, by one of the pioneers of the field.
| Author | : David L. Block |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 798 |
| Release | : 2012-12-06 |
| Genre | : Science |
| ISBN | : 9401141142 |
South Africa - a land of paradigm shifts. A land where we are willing to leave behind the old, to bravely accept the new. What do we need to exit the dark ages in the morphology of galaxies? How prevalent is the cherishing of old concepts? Traditional morphology has been `mask-oriented', focusing on masks of dust and gas which may constitute only 5 percent of the dynamical mass of a galaxy. Some of the world's foremost astronomers flew to South Africa to address morphologically related issues at an International Conference, the proceedings of which are contained in this volume. Examine predicted extinction curves for primordial dust at high redshift. Stars evolve; why not dust? Read about the breakdown of the Hubble sequence at a redshift of one. Explore the morphology of rings; the mysteries of metal-rich globular clusters; vigorous star-formation in the Large Magellanic Cloud; the world of secular evolution, where galaxies change their shapes within one Hubble time. And much more. Examine a new kinematical classification scheme of the unmasked, dust-penetrated near-infrared images of spiral galaxies. This volume contains over 80 refereed contributions (including 18 in-depth keynote review articles), 40 pages of questions and answers, a panel discussion transcribed from tape and 24 colour plates. The volume is unique in that contributions from both high and low redshift experts are represented at a level readily accessible to postdoctoral students entering the exciting world of morphology - whether it be of the local, or more distant, Universe.
| Author | : Ronald J. Buta |
| Publisher | : Cambridge University Press |
| Total Pages | : 13 |
| Release | : 2007-03-08 |
| Genre | : Science |
| ISBN | : 0521820480 |
New illustrated atlas on modern galaxy classification for astronomy researchers, students, and amateurs.
| Author | : Jean-René Roy |
| Publisher | : Cambridge University Press |
| Total Pages | : 311 |
| Release | : 2018 |
| Genre | : Nature |
| ISBN | : 1108417019 |
A thought provoking study of the powerful impact of images in guiding astronomers' understanding of galaxies through time.
| Author | : Benne Holwerda |
| Publisher | : IOP Publishing Limited |
| Total Pages | : 150 |
| Release | : 2022-03-31 |
| Genre | : Science |
| ISBN | : 9780750334976 |
Galaxy morphology is a long-standing subfield of astronomy, moving from visual qualifications to quantitative morphometrics. This book covers the descriptions developed by astronomers to describe the appearance of galaxies, primarily in optical, ultraviolet and near-infrared wavelengths. These descriptions range from galaxy-wide down to clumps of stars and the phenomena on scales in between. It covers qualitative classification using descriptions of the light distributions, as well as some of the near-future techniques that are expected to play a role as astronomy moves to surveys of millions of galaxies and to depths that are dominated by low-surface-brightness. Each chapter is accompanied by an appropriate Jupyter Notebook Python programming assignment. The book is aimed at the graduate student level for researchers in need to a review of galaxy morphology techniques. Key Features: Aimed at graduate students or researchers in need to a review of galaxy morphology techniques Presents qualitative and quantitative galaxy morphology classifications Cover near-future techniques expected to play a role for large galaxy surveys Includes Jupyter Notebook workable examples in each chapter
| Author | : Edwin Powell Hubble |
| Publisher | : Yale University Press |
| Total Pages | : 264 |
| Release | : 1982-01-01 |
| Genre | : Science |
| ISBN | : 9780300025002 |
No modern astronomer made a more profound contribution to our understanding of the cosmos than did Edwin Hubble, who first conclusively demonstrated that the universe is expanding. Basing his theory on the observation of the change in distanct galaxies, called red shift, Hubble showed that this is a Doppler effect, or alteration in the wavelength of light, resulting from the rapid motion of celestial objects away from Earth. In 1935, Hubble described his principal observations and conclusions in the Silliman lectures at Yale University. These lectures were published the following year as "The Realm of the Nebulae," which quickly became a classic work.
| Author | : Marc S Seigar |
| Publisher | : Morgan & Claypool Publishers |
| Total Pages | : 112 |
| Release | : 2017-06-29 |
| Genre | : Science |
| ISBN | : 1681746107 |
How does it happen that billions of stars can cooperate to produce the beautiful spirals that characterize so many galaxies, including ours? This book reviews the history behind the discovery of spiral galaxies and the problems faced when trying to explain the existence of spiral structure within them. In the book, subjects such as galaxy morphology and structure are addressed as well as several models for spiral structure. The evidence in favor or against these models is discussed. The book ends by discussing how spiral structure can be used as a proxy for other properties of spiral galaxies, such as their dark matter content and their central supermassive black hole masses, and why this is important.
| Author | : Santiago Erroz-Ferrer |
| Publisher | : Springer |
| Total Pages | : 207 |
| Release | : 2015-11-21 |
| Genre | : Science |
| ISBN | : 3319263986 |
This thesis discusses the evolution of galaxies through the study of the morphology, kinematics, and star formation properties of a sample of nearby galaxies. The main body of the thesis describes the kinematic observations with the GHaFAS Fabry-Perot instrument on the William Herschel Telescope of a sample of 29 spiral galaxies. The work is closely related to the Spitzer Survey of Stellar Structure in Galaxies, and uses the mid-infrared data of that survey to determine key parameters of the galaxies studied. From these data, important results are obtained on streaming and other non-circular motions in galaxies, on the distribution and rates of star formation, and on how correlations of these parameters and of the rotation curve shape with basic galaxy parameters yield clues on the evolutionary processes taking place in disk galaxies.
| Author | : James Binney |
| Publisher | : Princeton University Press |
| Total Pages | : 818 |
| Release | : 2021-07-13 |
| Genre | : Science |
| ISBN | : 0691233322 |
This is the definitive treatment of the phenomenology of galaxies--a clear and comprehensive volume that takes full account of the extraordinary recent advances in the field. The book supersedes the classic text Galactic Astronomy that James Binney wrote with Dimitri Mihalas, and complements Galactic Dynamics by Binney and Scott Tremaine. It will be invaluable to researchers and is accessible to any student who has a background in undergraduate physics. The book draws on observations both of our own galaxy, the Milky Way, and of external galaxies. The two sources are complementary, since the former tends to be highly detailed but difficult to interpret, while the latter is typically poorer in quality but conceptually simpler to understand. Binney and Merrifield introduce all astronomical concepts necessary to understand the properties of galaxies, including coordinate systems, magnitudes and colors, the phenomenology of stars, the theory of stellar and chemical evolution, and the measurement of astronomical distances. The book's core covers the phenomenology of external galaxies, star clusters in the Milky Way, the interstellar media of external galaxies, gas in the Milky Way, the structure and kinematics of the stellar components of the Milky Way, and the kinematics of external galaxies. Throughout, the book emphasizes the observational basis for current understanding of galactic astronomy, with references to the original literature. Offering both new information and a comprehensive view of its subject, it will be an indispensable source for professionals, as well as for graduate students and advanced undergraduates.
