Stellar Complexes
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Stellar Complexes
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Author : Yu. N. Efremov
language : en
Publisher: CRC Press
Release Date : 1989
Stellar Complexes written by Yu. N. Efremov and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Science categories.
Described is the contribution of the comets in the Oort cloud to the angular momentum of the solar system.
Clustering Of Stars In Nearby Galaxies
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Author : Catherine Kaleida
language : en
Publisher:
Release Date : 2011
Clustering Of Stars In Nearby Galaxies written by Catherine Kaleida and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with Stars categories.
Most stars form in groups, and these clusters are themselves nestled within larger associations and stellar complexes. It is not yet clear, however, whether stars cluster on preferred size scales within galaxies, or if stellar groupings have a continuous size distribution. I have developed two methods to select stellar groupings across a wide range of size-scales in order to assess trends in the size distribution and other basic properties of stellar groupings. The first method uses visual inspection of color-magnitude and color-color diagrams of clustered stars to assess whether the compact sources within the potential association are coeval, and thus likely to be born from the same parentmolecular cloud. This method was developed using the stellar associations in the M51/NGC 5195 interacting galaxy system. This process is highly effective at selecting single-aged stellar associations, but in order to assess properties of stellar clustering in a larger sample of nearby galaxies, an automated method for selecting stellar groupings is needed.
The Magnetic Field Structure And Embedded Stellar Population Of Dark Cloud Complexes
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Author : Frederic John Vrba
language : en
Publisher:
Release Date : 1976
The Magnetic Field Structure And Embedded Stellar Population Of Dark Cloud Complexes written by Frederic John Vrba and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Nebulae categories.
Stellar Explosions
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Author : Jordi Jose
language : en
Publisher: CRC Press
Release Date : 2016-01-05
Stellar Explosions written by Jordi Jose and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-01-05 with Science categories.
Stars are the main factories of element production in the universe through a suite of complex and intertwined physical processes. Such stellar alchemy is driven by multiple nuclear interactions that through eons have transformed the pristine, metal-poor ashes leftover by the Big Bang into a cosmos with 100 distinct chemical species. The products of
Birth And Evolution Of Massive Stars And Stellar Groups
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Author : Wilfried Boland
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Birth And Evolution Of Massive Stars And Stellar Groups written by Wilfried Boland and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
Proceedings of a Symposium held in Dwingeloo, The Netherlands, September 24-26, 1984 in honour of Adriaan Blaauw on the occasion of his 70th birthday
The Intrinsic Properties Of The Stellar Clusters In The M82 Starburst Complex Propagating Star Formation
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Author :
language : en
Publisher:
Release Date : 1997
The Intrinsic Properties Of The Stellar Clusters In The M82 Starburst Complex Propagating Star Formation written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with categories.
Near-Infrared spectroscopy combined with high spatial resolution imaging have been used in this work to probe the central 500 pc of M82. Imaging observations in the 2.36 micrometers CO band head are added to our previously published near-infrared hydrogen recombination line imaging, near-infrared broadband imaging, and 3.29 micrometers dust feature imaging observations, in order to study the nature of the starburst stellar population. A starburst model is constructed and compared with the observations of the stellar clusters in the starburst complex. Our analysis implies that the typical age for the starburst clusters is 10(exp 7) yr. In addition, our high spatial resolution observations indicate that there is an age dispersion within the starburst complex that is correlated with projected distance from the center of the galaxy. The inferred age dispersion is 6 x 10(exp 6) yr. If the starburst in M82 is propagating outward from the center, this age dispersion corresponds to a velocity of propagation, originating in the center, of ~50 km s(exp -1). Our quantitative analysis also reveals that a Salpeter initial mass function, extending from 0.1 to 100 M circle dot solar, can fit the observed properties of M82 without using up more than 30% of the total dynamical mass in the starburst.
An Introduction To The Theory Of Stellar Structure And Evolution
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Author : Dina Prialnik
language : en
Publisher: Cambridge University Press
Release Date : 2000-07-24
An Introduction To The Theory Of Stellar Structure And Evolution written by Dina Prialnik 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 2000-07-24 with Science categories.
Using fundamental physics, the theory of stellar structure and evolution is able to predict how stars are born, how their complex internal structure changes, what nuclear fuel they burn, and what their ultimate fate is - a fading whitedwarf, or a cataclysmic explosion as a supernova, leaving behind a collapsed neutron star or black hole. This lucid textbook provides students with a clear and pedagogical introduction to the theory of stellar structure and evolution. It requires only basic physics and mathematics learnt in first- and second-year undergraduate studies, and assumes no prior knowledge of astronomy. The unique feature of this book is the emphasis throughout on the basic physical principles governing stellar evolution. Exercises and their full solutions are included to help students test their understanding. This textbook provides a stimulating introduction for undergraduates in astronomy, physics, planetary science and applied mathematics taking a course on the physics of stars.
On The Complex Stellar Populations Of Ancient Stellar Systems
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Author :
language : en
Publisher:
Release Date : 2018
On The Complex Stellar Populations Of Ancient Stellar Systems written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018 with categories.
The Orion Complex A Case Study Of Interstellar Matter
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Author : C.D. Goudis
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
The Orion Complex A Case Study Of Interstellar Matter written by C.D. Goudis and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
This work deals with some of the most typical complexes of interstellar matter and is intended to serve both as a reference book for the specialist and as an introduction for the newcomer to the field. It is hoped to meet the first aim by presenting a holistic view of the well studied complexes in Orion, built on information derived from various branches of modern Astrophysics. The wealth of published data is presented in the form of photographs, contour maps, diagrams and numerous heavily annotated tables. The second aim is pursued by providing an outline of the complexes, the physical problems associated with them, the empirical models describing their be haviour and, in addition, by including an extended Appendix section summarizing the numerous methods employed to derive the physical parameters of an H II region and the dust and molecular cloud physically associated with it. The book consists of five chapters and four Appendix sections. Chapter 1, which is concerned with the large scale view of the Orion region, outlines the morphology of the area and examines in particular the nature of Barnard's Loop and the associated filamentary structure in addition to the origin of the I Orion OB association. Chapter 2 focuses on the ionized gas of the Orion H II/molecular complex i. e.
Stellar Astrophysics For The Local Group
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Author : A. Aparicio
language : en
Publisher: Cambridge University Press
Release Date : 1998-06-13
Stellar Astrophysics For The Local Group written by A. Aparicio 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 1998-06-13 with Science categories.
A review of the new subject of extragalactic stellar astrophysics - for both graduate students and researchers working in astrophysics.