Birth And Evolution Of Neutron Stars
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Neutron Stars And Their Birth Events
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Author : Wolfgang Kundt
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Neutron Stars And Their Birth Events written by Wolfgang Kundt 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 volume is the documentation of the second Course on 'Neutron Stars, Active Galactic Nuclei and Jets', held at Erice in September 1988. This second Course was devoted to our knowledge about neutron-star sources. The poster spoke of: pulsars, accreting X-ray sources and jet englnes, perhaps also UHE pulsars, X ra~' bursters and black-hole candidat.es. Neutron stars have even been proposed as the primary cosmic-ray boosters. Most of theil' properties are stil1 controversial, such as their birth mechanism (neutrino versus magnetic piston), internal structure (neutrons, quarks, strange particles), magnetic, thermal and spin histories, wind generation (hydrogen versus pair plasma, radiation versus centrifugal pressure), magnetospheric structure and accretion modes (along field lines versus quasi-Keplerian). The listed controversies have largely survived through the Course and entered into the proceedings. Several lecturers speak of 'magnetic-field decay' in neutron stars, of the 'recycling' of old pulsars, and of 'accretion-induced collapse' of white dwarfs as though such processes were textbook knowledge. Terms and abbreviations like RPSR (=recycled pulsar), spinup line, AIC, and ADC (=accretion disk corona) help to foster the assumptions. It is not clear to me at this time whether any of these notions has an application to reality.
Birth And Evolution Of Neutron Stars
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Author : Stephen P. Reynolds
language : en
Publisher:
Release Date : 1984
Birth And Evolution Of Neutron Stars written by Stephen P. Reynolds and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with Neutron stars categories.
The Origin And Evolution Of Neutron Stars
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Author : International Astronomical Union. Symposium
language : en
Publisher: Springer
Release Date : 1987-06-30
The Origin And Evolution Of Neutron Stars written by International Astronomical Union. Symposium and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987-06-30 with Science categories.
Proceedings of the 125th Symposium of the International Astronomical Union held in Nanjing, China, May 26-30, 1986
The Origin And Evolution Of Neutron Stars
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Author : D.J. Helfand
language : en
Publisher: Springer
Release Date : 1987-07-14
The Origin And Evolution Of Neutron Stars written by D.J. Helfand and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987-07-14 with Science categories.
The publication of this volume coincides with the 55th anni versary of the discovery of the neutron and Landau's suggestion at the time that one could make stars out of the new particles. This year also marks the twenty-fifth anniversary of the detection of Sco X-I, the first known X-ray binary system, and follows by just twenty years Jocelyn Bell Burnell's discovery of that "little bit of scruff" o~ her chart record that led to the recognition of radio pulsars. As Q. Y. Qu, President of Nanjing University noted in his welcoming address, however, Chinese astronomers have been observing the consequences of neutron star formation for several millenia. It was appropriate, then, that this Symposium, the first Interna tional Astronomical Union meeting ever to be held in the Peoples Republic of China, be devoted to the topic of neutron stars. IAU Symposium Number 125, "The Origin and Evolution of Neutron Stars", was convened on the morning of May 26, 1986 at Nanj ing University, Nanjing, Peoples Republic of China. One hundred and thirty-nine participants from fifteen countries, including over eighty-five scientists who were visiting China for the first time, met each day for the following week to discuss where neutron stars come from, how they evolve, and where they go. The meeting was judged, by unanimous acclaim of the participants, to be a scienti fic, cultural, and culinary success.
Birth Evolution And Death Of Stars
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Author : James Lequeux
language : en
Publisher: World Scientific Publishing Company
Release Date : 2013-08-22
Birth Evolution And Death Of Stars written by James Lequeux and has been published by World Scientific Publishing Company this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-08-22 with Science categories.
It has been known for a long time that stars are similar to our Sun. But it was only in 1810 that they were shown to be made of an incandescent gas. The chemical composition of this gas began to be determined in 1860. In 1940, it was demonstrated that the energy radiated by the stars is of thermonuclear origin. How stars form from interstellar matter and how they evolve and die was understood only recently, with our knowledge still incomplete. It was also realized recently that close double stars present a wide variety of extraordinary phenomena, which are far from being completely explored. This book explains all these aspects, and also discusses how the evolution of stars determine that of galaxies. The most interesting observations are illustrated by spectacular images, while the theory is explained as simply as possible, without however avoiding some mathematical or physical developments when they are necessary for a good understanding of what happens in stars. Without being a textbook for specialists, this book can be profitably read by students or amateurs possessing some basic scientific knowledge, who would like to be initiated in-depth to the fascinating world of stars. The author, an emeritus astronomer of the Paris Observatory, worked in various domains of astronomy connected with the subject of this book: interstellar matter and evolution of stars and galaxies. He directed the Marseilles observatory from 1983 to 1988 and served for fifteen years as Chief Editor of the professional European journal Astronomy & Astrophysics. He has written many articles and books about physics and astronomy at different levels.
The Lives Of The Neutron Stars
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Author : M. A. Alpar
language : en
Publisher: Springer Science & Business Media
Release Date : 1994-12-31
The Lives Of The Neutron Stars written by M. A. Alpar 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 1994-12-31 with Science categories.
This NATO AS! was the third in the series of Advanced Study Institutes on neutron stars, which started with 'Timing Neutron Stars', held in Qe§me near izmir, Turkey (April 1988), followed by 'Neutron Stars, an Interdis ciplinary Subject', held in Agia Pelagia on the island of Crete (September 1990). The first school centered on our main observational access to neu tron stars, i. e. the timing of radio pulsars and accretion powered neutron stars, and on what timing of neutron stars teaches us of their structure and environment. The second school had as its theme the interplay between diverse areas of physics which find interesting, even exotic applications in the extreme conditions of neutron stars and their magnetospheres. As the field has developed, with the number of observed neutron stars rapidly in creasing, and our knowledge of many individual neutron stars getting deeper and more detailed, an evolutionary picture of neutron stars has started to emerge. This led us to choose 'The Lives of the Neutron Stars' as the uni fying theme of this third Advanced Study Institute on neutron stars. Different types of neutron star activity have been proposed to follow one another in stages during the lives of neutron stars in the same basic population; the evolutionary connection between low-mass X-ray binaries and millisecond radio pulsars is perhaps the prime example.
Neutron Stars And Nustar
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Author : Varun B. Bhalerao
language : en
Publisher: Universal-Publishers
Release Date : 2012-11
Neutron Stars And Nustar written by Varun B. Bhalerao and has been published by Universal-Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-11 with Science categories.
This book centers around the study of neutron stars, especially those in massive binary systems. To this end, it has two distinct components: the observational study of neutron stars in massive binaries with a goal of measuring neutron star masses and participation in NuSTAR, the first imaging hard X-ray mission, one that is extremely well suited to the study of massive binaries and compact objects in our Galaxy. The Nuclear Spectroscopic Telescope Array (NuSTAR) is a NASA Small Explorer mission that will carry the first focusing high energy X-ray telescope to orbit. NuSTAR has an order-of-magnitude better angular resolution and has two orders of magnitude higher sensitivity than any currently orbiting hard X- ray telescope. I worked to develop, calibrate, and test CdZnTe detectors for NuSTAR. I describe the CdZnTe detectors in comprehensive detail here-from readout procedures to data analysis. Detailed calibration of detectors is necessary for analyzing astrophysical source data obtained by the NuSTAR. I discuss the design and implementation of an automated setup for calibrating flight detectors, followed by calibration procedures and results. Neutron stars are an excellent probe of fundamental physics. The maximum mass of a neutron star can put stringent constraints on the equation of state of matter at extreme pressures and densities. From an astrophysical perspective, there are several open questions in our understanding of neutron stars. What are the birth masses of neutron stars? How do they change in binary evolution? Are there multiple mechanisms for the formation of neutron stars? Measuring masses of neutron stars helps answer these questions. Neutron stars in high-mass X-ray binaries have masses close to their birth mass, providing an opportunity to disentangle the role of "nature" and "nurture" in the observed mass distributions. In 2006, masses had been measured for only six such objects, but this small sample showed the greatest diversity in masses among all classes of neutron star binaries. Intrigued by this diversity-which points to diverse birth masses-we undertook a systematic survey to measure the masses of neutron stars in nine high-mass X-ray binaries. In this book, I present results from this ongoing project.
Physics Of Neutron Star Interiors
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Author : D. Blaschke
language : en
Publisher: Springer
Release Date : 2008-01-11
Physics Of Neutron Star Interiors written by D. Blaschke and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-01-11 with Science categories.
Neutron stars are the densest observable bodies in our universe. Born during the gravitational collapse of luminous stars - a birth heralded by spectacular supernova explosions - they open a window on a world where the state of the matter and the strengths of the fields are anything but ordinary. This book is a collection of pedagogical lectures on the theory of neutron stars, and especially their interiors, at the forefront of current research. It addresses graduate students and researchers alike, and should be particularly suitable as a text bridging the gap between standard textbook material and the research literature.
Reassessing The Fundamentals On The Evolution Ages And Masses Of Neutron Stars
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Author : Bülent Kiziltan
language : en
Publisher: Universal-Publishers
Release Date : 2011-07-19
Reassessing The Fundamentals On The Evolution Ages And Masses Of Neutron Stars written by Bülent Kiziltan and has been published by Universal-Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-07-19 with categories.
The evolution, ages and masses of neutron stars are the fundamental threads that make pulsars accessible to other sub-disciplines of astronomy and physics. a realistic and accurate determination of these indirectly probed features play an important role i
The Structure And Evolution Of Neutron Stars
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Author : David Pines
language : en
Publisher: Perseus Books
Release Date : 1992-01
The Structure And Evolution Of Neutron Stars written by David Pines and has been published by Perseus Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992-01 with Science categories.
Neutron stars are stellar compact objects some ten kilometers in radius which contain the most dens form of matter observable in the universe. Their astonishing richness of structure and diversity of behavior at extreme conditions continues to surprise and delight the scientific community. The Structure and Evolution of Neutron Stars offers an overview of our present understanding of the internal structure and dynamical behavior of neutron stars, as well as their formation and evolution.