The Globular Star Clusters Of The Andromeda Galaxy
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The Globular Star Clusters Of The Andromeda Galaxy
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Author : Charli M Sakari
language : en
Publisher: Morgan & Claypool Publishers
Release Date : 2019-12-30
The Globular Star Clusters Of The Andromeda Galaxy written by Charli M Sakari and has been published by Morgan & Claypool Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-12-30 with Science categories.
This book presents a brief compilation of results from nearly a century of research on the globular star clusters in the Andromeda Galaxy (M31). It explores the techniques and limitations of the observations, the successes and challenges of the models, and the paradigm for the formation of M31 that has gradually emerged. These results will eventually be superseded by new data, better analysis techniques, and more complex models. However, the emphasis of this book is on the techniques, thought processes, and connections with other studies.
Globular Star Clusters Of The Andromeda Galaxy
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Author : Sakari Charli M
language : en
Publisher:
Release Date : 2019
Globular Star Clusters Of The Andromeda Galaxy written by Sakari Charli M and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with categories.
Messier S Nebulae And Star Clusters
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Author : Kenneth Glyn Jones
language : en
Publisher: Cambridge University Press
Release Date : 1991-04-04
Messier S Nebulae And Star Clusters written by Kenneth Glyn Jones and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991-04-04 with Nature categories.
Charles Messier's catalog of nebulae and star clusters, published in 1784, marked the start of a new era of deep-sky astronomy. Today, this tradition of observing galaxies and clusters is kept alive by dedicated amateur astronomers. Nearly all the objects are visible in a small telescope, and many, such as the Crab Nebula and the Andromeda galaxy, are among the most fascinating objects in the universe. Kenneth Glyn Jones has revised his definitive version of Messier's catalog. His own observations and drawings, together with maps and diagrams, make this a valuable introduction to deep-sky observing. Historical and astrophysical notes bring the science of these nebulae right up to date. This is a unique handbook, unlikely ever to be equaled in its completeness and importance to the telescope owner.
Nebulae Star Clusters Galaxies
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Author : Wolfgang Steinicke
language : en
Publisher: BoD – Books on Demand
Release Date : 2019-05-23
Nebulae Star Clusters Galaxies written by Wolfgang Steinicke and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-05-23 with Science categories.
Nebulae, star clusters, and galaxies are outside our solar system. They belong to the 'deep sky' and lead the observer to great distances and at the same time the view goes far into the past. The light of the most distant galaxies took billions of years to reach us. No less fascinating is our home galaxy, the Milky Way, offering many bright nebulae and star clusters. The book covers three important topics related to deep-sky objects: history, astrophysics, and observation. When beginners observe an object visually, not knowing anything about it, they will only perceive a faint spot of light - nothing really exciting. So, to get the right 'cosmic' feeling, the view should be enriched with stories about the object's discovery, distance, physical nature, or evolution. Supplied with this kind of information, deep-sky observing becomes a fascinating activity - braving the cold and darkness. Over time, advanced fields such as observation techniques or astrophotography come into play. The book informs the reader about all these topics and offers a comprehensive collection of interesting targets.
Galaxies
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Author :
language : en
Publisher:
Release Date : 1982
Galaxies written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with Science categories.
"A Sierra Club book." An accurately illustrated guidebook with theoretical space journeys through the universe.
The Universal Book Of Astronomy
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Author : David Darling
language : en
Publisher: Turner Publishing Company
Release Date : 2003-10-01
The Universal Book Of Astronomy written by David Darling and has been published by Turner Publishing Company this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-10-01 with Science categories.
The ultimate guide to the final frontier This alphabetical tour of the universe provides all the history, science, and up-to-the-minute facts needed to explore the skies with authority. Packed with more than 3,000 entries that cover everything from major observatories and space telescopes to biographies of astronomers throughout the ages, it showcases an extraordinary array of newfound wonders, including microquasars, brown dwarfs, and dark energy, as well as a host of individual comets, asteroids, moons, planets, stars, nebulas, and galaxies. Featuring nearly 200 illustrations and eight pages of color photographs, this comprehensive guide provides easy lookup of topics and offers more in-depth information than can be found in existing star guides or astronomy dictionaries. It's an ideal resource for the amateur astronomer or anyone with an interest in the mysteries of the cosmos. David Darling, PhD (Brainerd, MN), is the author of The Complete Book of Spaceflight and Equations of Eternity, a New York Times Notable Book.
Globular Clusters In The Andromeda Galaxy Microform
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Author : Barmby, Pauline Margaret
language : en
Publisher: Ann Arbor, Mich. : University Microfilms International
Release Date : 2001
Globular Clusters In The Andromeda Galaxy Microform written by Barmby, Pauline Margaret and has been published by Ann Arbor, Mich. : University Microfilms International this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Andromeda Galaxy categories.
The Complex Lives Of Star Clusters
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Author : David Stevenson
language : en
Publisher: Springer
Release Date : 2015-05-09
The Complex Lives Of Star Clusters written by David Stevenson and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-05-09 with Science categories.
As with the author’s recent books Extreme Explosions and Under a Crimson Sun, the complex topic of star clusters is broken down and made accessible with clear links to other areas of astronomy in a language which the non-specialist can easily read and enjoy. The full range of topics are addressed regarding how star clusters are formed. Why is it some are dense conglomerates of stars while others are looser associations? Are the young, brilliant clusters seen in neighboring galaxies such as the Large Magellanic Cloud, M33 or M82 analogous to the ancient globulars seen in the Milky Way? How will these clusters change as their stars wane and die? More interestingly, how does living in a dense star cluster affect the fates of the stars and any attendant planets that accompany them? Star clusters form many of the most dazzling objects in the astronomers’ catalogs. Many amateur astronomers are interested in exploring how these objects are created and what it would be like to live among these objects. From the historical views of how star clusters came about to the most recent assumptions about how stars within these clusters evolve, different strands of science, from observation to theory, are woven together into a compelling investigation specifically targeted at amateur astronomers.
Star Cluster Formation Efficiency In The Andromeda Galaxy
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Author : Lent Clifton Johnson IV
language : en
Publisher:
Release Date : 2015
Star Cluster Formation Efficiency In The Andromeda Galaxy written by Lent Clifton Johnson IV and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with categories.
This work revolutionizes the study of star clusters in the Local Group galaxy Andromeda (Messier 31) using high spatial resolution, multi-wavelength imaging from the Hubble Space Telescope obtained as part of the Panchromatic Hubble Andromeda Treasury (PHAT) survey. I construct a cluster catalog using visual identification methods, including the use of image classifications collected from citizen scientist volunteers as part of the Andromeda Project. I perform analysis that combines large numbers of volunteer classifications with expert-derived identifications to yield a well-characterized census of star clusters. The resulting cluster catalog surpasses existing Galactic and extragalactic samples in terms of completeness and uniformity, serves as the basis for a wide range of current and future investigations of star formation and stellar evolution in M31, and is an important legacy data product of the PHAT survey. I use the PHAT star cluster catalog and associated cluster age and mass characterizations to study two aspects of star cluster formation. First, I investigate cluster formation efficiency and its dependence on star formation intensity. This study combines detailed measurements of cluster ages and masses with star formation histories of underlying total stellar populations, where both sets of constraints are derived from fitting color-magnitude diagrams of individually resolved stars. I find that ~4% of young stars (10-100 Myr old) in M31 are born in long-lived star clusters, and demonstrate that this fraction varies systematically as a function of star formation rate surface density ([unknown math symbol]SFR) and gas depletion time ([unknown math symbol]dep). The results derived here agree with trends established by previous observations of nearby galaxies in which cluster formation efficiency correlates with star formation rate intensity. The spatially-resolved measurements of cluster formation efficiency in M31 are also consistent with theoretical predictions, providing observational support for a model of cluster formation in which star clusters are born in regions of high gas density and star formation efficiency within a hierarchically-structured interstellar medium. In addition to star cluster formation efficiency, I also study the mass distribution of the young cluster populations (10-300 Myr old) in M31. I find that the mass function shape is well described by a Schechter function, with a power law index of [unknown math symbol] = -1.99 +̲ 0.12 and a characteristic mass of Mc = 8.5+2.8-1.8 M[unknown math symbol]. This exponential high-mass truncation of the cluster mass function occurs at a significantly lower mass in M31 than found for other nearby star forming galaxies. I show for the first time that the exponential truncation of the cluster mass function varies systematically with star formation rate intensity, such that the characteristic Schechter mass increases with star formation rate surface density as Mc [unknown math symbol] [unknown math symbol]SFR^~1.3. Additionally, I explore the possibility that the Mc-[unknown math symbol]SFR relation derived here might also apply to old globular cluster systems, and thus be useful in constraining properties of star formation environments in the early universe.
Globular Cluster Systems
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Author : Keith M. Ashman
language : en
Publisher: Cambridge University Press
Release Date : 1998-05-13
Globular Cluster Systems written by Keith M. Ashman and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998-05-13 with Science categories.
A comprehensive review of globular cluster systems - for researchers and graduate students.