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Author: Walter H. G. Lewin Publisher: ISBN: 9780521416849 Category : Science Languages : en Pages : 662
Book Description
X-ray binaries are some of the most varied and perplexing systems known to astronomers. The compact object, which accretes mass from its companion star, may be a white dwarf, a neutron star, or a black hole, whereas the donor star can be a 'normal' star or a white dwarf. The various combinations differ widely in their behaviour. This timely volume provides a unique and up-to-date reference of our knowledge of all of them. This long awaited review provides graduate students and researchers with the standard reference on X-ray binaries for many years to come.
Author: Walter H. G. Lewin Publisher: Cambridge University Press ISBN: 9780521599344 Category : Science Languages : en Pages : 688
Book Description
X-ray binaries are some of the most varied and perplexing systems known to astronomers. The compact object which accretes mass from its companion star may be a white dwarf, neutron star, or black hole, whereas the donor star can be a 'normal' star or a white dwarf. The various combinations differ widely in their behaviour, and this timely volume provides a unique reference of our knowledge to date of all of them.Fifteen specially written chapters by a team of the world's foremost researchers in the field explore all aspects of the X-ray binaries. They cover the X-ray, ultraviolet, optical and radio properties of these violent systems and address key issues such as: how were these systems formed, and what will be their fate; how can we understand X-ray bursts, and how the quasi-periodic oscillations; what is the connection between millisecond radio pulsars and low-mass X-ray binaries; and how does the magnetic field of a neutron star decay?This long awaited review provides graduate students and researchers with the standard reference on X-ray binaries for many years to come.
Author: Miriam Ilana Krauss Publisher: ISBN: Category : Languages : en Pages : 150
Book Description
(Cont.) Although such a measurement has been made for one source, other searches have not been able to repeat this measurement. I consider the effects of burst temperature on the formation of discrete spectral features, using a large sample of bursts observed by the RXTE PCA. Finally, I present analysis of high-resolution Chandra HETG spectra of a sample of Galactic LMXBs. High-resolution spectra are able to resolve line features, such as the prominent Ne and O emission lines in the ultracompact X-ray binary 4U 1626-67. They also allow for more precise measurements of photoelectric absorption edges, which can otherwise hinder the determination of continuum spectral components, particularly in the lower-energy spectral regions.
Author: Adrienne Marie Juett Publisher: ISBN: Category : Languages : en Pages : 144
Book Description
(Cont.) High-resolution X-ray studies of ISM absorption features can provide measurements of the relative abundances and ionization fractions of all the elements from carbon through iron. X- ray studies also probe the ISM on larger scales than is possible in the optical and ultraviolet wavebands. I present high-resolution spectroscopy of the oxygen K-shell ISM absorption edge in seven X-ray binaries using Chandra. The best-fit model consists of two absorption edges and five Gaussian absorption lines and can be explained by the recent theoretical calculations of K-shell absorption by neutral and ionized atomic oxygen. Significant oxygen features from dust or molecular components, suggested in previous studies, are not required by the Chandra spectra. These measurements also probe large-scale properties of the ISM, placing a limit on the velocity dispersion of the neutral lines of less than 200 km s-1 and constraining the interstellar ratio of O II/O I to approximately 0.1 and the ratio of O III/O I to less than 0.1.
Author: Cosimo Bambi Publisher: Springer Nature ISBN: 9819944090 Category : Science Languages : en Pages : 425
Book Description
NASA's Chandra X-ray Observatory and ESA's XMM-Newton Observatory have been the pioneering satellites for studying the Universe with X-rays and the cornerstone of X-ray spectroscopy since their launches more than 20 years ago. The onboard gratings provide us a unique opportunity to distinguish individual spectral lines from different atoms thanks to their high energy resolutions. Enormous discoveries have been achieved by these two missions when observing a variety of X-ray-emitting astronomical objects, such as black holes, supernova remnants, clusters of galaxies, and stars. However, the data are limited to fairly bright X-ray sources. The recent JAXA's mission Hitomi opened a new window of high-resolution X-ray spectroscopy thanks to its onboard X-ray calorimeter. Although this mission was shortly terminated due to a mishap, Hitomi left behind a few sets of observations awaiting more data mining. The first half of this book introduces the history of high-resolution X-ray spectroscopy and different generations of X-ray spectrometers. A tutorial guide on how to reduce, analyze, and understand the astronomical data from Chandra, XMM-Newton, and Hitomi is also included. The second half of the book reviews past results obtained by the high-resolution spectrometers on these missions on multiple topics and discusses possible discoveries by upcoming missions in the next decade.
Author: Reba Bandyopadhyay Publisher: American Institute of Physics ISBN: 9780735405301 Category : Science Languages : en Pages : 454
Book Description
Technological advances in X-ray astronomy have recently led to the discovery of a large number of previously undetected accreting binaries, increasing by an order of magnitude their known population in the Galaxy. This meeting addressed the current state of observational and theoretical research into the X-ray binary population as a whole, including both well-studied systems and the newly discovered populations, and examined the interaction of X-ray binaries with their environment within our own Galaxy and in external galaxies.
Author: Stephen S. Holt Publisher: American Institute of Physics ISBN: Category : Science Languages : en Pages : 744
Book Description
Proceedings of the fourth annual October Physics Conference organized by astrophysicists at the Goddard Space Flight Center and the U. of Maryland. The proceedings begin with two invited summaries reviewing the general subject (Three Decades of X-Ray Astronomy from the Point of View of a Biased Obs
Author: Walter H. G. Lewin
Author: Walter H. G. Lewin
Author: Miriam Ilana Krauss
Author: Adrienne Marie Juett
Author: Cosimo Bambi
Author: Pranab Ghosh
Author: Damian Joseph Christian
Author: J. Truemper
Author: Reba Bandyopadhyay
Author: Stephen S. Holt
Author: Jeroen Homan