Author : International Astronomical Union. Symposium
Publisher : Cambridge University Press
Page : 481 pages
File Size : 32,78 MB
Release : 2018-09-13
Category : Science
ISBN : 1107192455
Summarizes state of the art observations and theories pertaining to astrophysical masers and their environments, for graduate students and researchers.
Author : International Astronomical Union. Symposium
Publisher : Cambridge University Press
Page : 564 pages
File Size : 10,29 MB
Release : 2008-02-14
Category : Nature
ISBN : 9780521874649
Astrophysical masers, naturally occurring microwave and radio-wave emissions, provide an important tool to investigate astrophysical environments. Several thousand maser sources have been observed in the interstellar medium and star formation regions, in the expanding winds from evolved stars, in the compressed shells of supernovae remnants, in comets and in the centers of galaxies. Masers are also useful for studying the structure and dynamics of our own galaxy, while masers in other galaxies are now used for cosmological studies and studies of galactic nuclei. This volume contains the latest research on the topic as presented at IAU Symposium 242, only the third international symposium on astrophysical masers. Over 125 astronomers from 18 different countries gathered in Alice Spring, Australia, for discussions on maser research.
Author : A. G. G. M. Tielens
Publisher : Cambridge University Press
Page : 667 pages
File Size : 28,47 MB
Release : 2021-02-04
Category : Science
ISBN : 1107169283
Ideal for advanced students, this comprehensive overview of molecular astrophysics bridges physics, astronomy, and physical chemistry.
Author : M Elitzur
Publisher : Springer Science & Business Media
Page : 390 pages
File Size : 31,95 MB
Release : 1992-02-29
Category : Science
ISBN : 9780792312161
One of the most spectacular discoveries of molecular astronomy has been the detection of maser emission. The same radiation that is generated in the laboratory only with elaborate, special equipment occurs naturally in interstellar space. This intense radiation probes the smallest structures that can be studied with radio telescopes. By a fortunate coincidence maser radiation is generated in both star forming regions and the envelopes of late-type stars. The early and late stages in the life of a star are considered to be the most interesting phases of stellar evolution. Maser emission has also been detected in external galaxies. This book provides an extensive coverage of the interstellar maser phenomenon. A precondition for maser action is departure from thermal equilibrium. The book therefore starts with a detailed coverage of the basic background concepts required for an understanding of line formation and radiative transfer. It goes on to describe the theoretical and phenomenological aspects of interstellar masers, their formation sites and the inversion mechanisms. The book will interest active researchers in astronomy and astrophysics as well as in other areas of physics. It is suitable as a textbook in a graduate course and will enable a graduate student to embark on research projects in this exciting area in particular, and molecular radio astronomy in general.
Author : Alak Ray
Publisher : Cambridge University Press
Page : 0 pages
File Size : 30,7 MB
Release : 2014-02-27
Category : Science
ISBN : 9781107044777
New telescopes spanning the full electromagnetic spectrum have enabled the study of supernovae (SNe) and supernova remnants (SNRs) to advance at a breathtaking pace. Automated synoptic surveys have increased the detection rate of supernovae by more than an order of magnitude and have led to the discovery of highly unusual supernovae. Observations of gamma-ray emission from SNRs with ground-based Cherenkov telescopes and the Fermi telescope have spawned new insights into particle acceleration in supernova shocks. Far-infrared observations from the Spitzer and Herschel observatories have told us much about the properties and fate of dust grains in SNe and SNRs. Work with satellite-borne Chandra and XMM-Newton telescopes and ground-based radio and optical telescopes reveal signatures of supernova interaction with their surrounding medium, their progenitor life history and of the ecosystems of their host galaxies. IAU Symposium 296 covers all these advances, focusing on the interactions of supernovae with their environments.
Author : Karel A. van der Hucht
Publisher : Cambridge University Press
Page : 488 pages
File Size : 48,8 MB
Release : 2009-03-23
Category : Science
ISBN : 9780521856058
The Transactions XXVIIA Reports on Astronomy 2006-2009 provides a comprehensive and authoritative review of what has been achieved in astronomy during the years 2006 to 2009. These insightful and up-to-date reviews have been written by the presidents and chairpersons of the IAU scientific bodies: the Divisions, the Commissions, and the Working Groups. Topics covered in this wide-ranging volume include: fundamental astronomy; the Sun and heliosphere; planetary sciences; stars; variable stars; interstellar matter; the Galactic system; galaxies and the Universe; optical and infrared techniques; radio astronomy; space and high-energy astrophysics; and other IAU activities. The reviews have been written at a level suitable for colleagues in the same fields, but will also be useful for students and researchers wishing to gain an overview of astronomical fields beyond their own research area.
Author : Nicholas H. Brummell
Publisher : Cambridge University Press
Page : 432 pages
File Size : 42,15 MB
Release : 2011-09-01
Category : Science
ISBN : 9780521197397
IAU Symposium 271 enhances our understanding of some of the important dynamical processes that are ubiquitous in many objects in the Universe, from stars like our Sun to galaxies. A wide range of temporal and spatial scales are generally present, so instabilities, highly nonlinear states and turbulence play a central role. Today, understanding the behaviour and evolution of such systems requires high-accuracy, multi-scale observations and thoughtful analysis of the data gathered, coupled with detailed theoretical study. High-performance numerical simulations have become an essential and revealing tool for assessing the often subtle highly nonlinear regime of such models. In IAU S271 world experts share their knowledge and perspectives on the latest advances in studying the common underlying processes from the field of nonlinear astrophysical dynamics. The symposium also celebrates the long and illustrious career of Professor Juri Toomre and his achievements in many realms of astrophysical dynamics.
Author : K. N. Nagendra
Publisher : Cambridge University Press
Page : 0 pages
File Size : 30,28 MB
Release : 2015-08-20
Category : Science
ISBN : 9781107078550
The advances in solar, planetary, and extrasolar science employing polarimetric tools are far-reaching, and the pace of discovery is accelerating rapidly. In the last three decades, the emphasis of solar polarimetry has been to achieve simultaneously high spectral, spatial, and temporal resolution for all four Stokes parameters. In the field of stellar polarimetry the developments have been equally impressive, in allowing the detection and surface mapping of magnetic fields across the Hertzsprung-Russell diagram. This volume, arising from IAU Symposium 305, is devoted to sharing advances in science, data analysis, modeling, and instrumentation between solar and non-solar polarimetry communities. Given the relevance of polarimetric measurements to many aspects of astrophysics, the techniques and physical interpretations addressed within the book will be of interest to a wide audience of researchers and advanced students, in addition to those from solar and stellar communities.
Author : International Astronomical Union. Symposium
Publisher : Cambridge University Press
Page : 350 pages
File Size : 31,11 MB
Release : 2010-04-29
Category : Science
ISBN : 9780521764889
IAU S263 provides a state-of-the-art review of icy bodies in the Solar System, emphasizing their importance across many disciplines.
Author : International Astronomical Union. Symposium
Publisher : Cambridge University Press
Page : 716 pages
File Size : 10,5 MB
Release : 2009-06-11
Category : Science
ISBN : 9780521889902
IAU Symposium 259 presents the first interdisciplinary, comprehensive review of the role of cosmic magnetic fields, involving astronomers and physicists from across the community. Offering both theoretical and observational topics ranging from Earth's habitability to the origin of the universe, this is an invaluable summary for researchers and graduate students.
