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Author : Anonim
Publisher : Unknown
Page : 128 pages
File Size : 51,7 Mb
Release : 2008
Category : Electronic
ISBN : OCLC:469071587
Author : William H. Waller,American Institute of Physics
Publisher : Amer Inst of Physics
Page : 551 pages
File Size : 42,9 Mb
Release : 1997
Category : Science
ISBN : 1563967081
Annotation Contains papers from a May 1997 conference addressing the cosmic evolution of galaxies and the intergalactic medium (IGM). Primary focus is on emission and absorption properties in the restframe ultraviolet. Research compares the UV properties of local galaxies and the IGM with the restframe UV properties of their high redshift counterparts, exploring a range of scenarios for the evolution of galaxies and the IGM over cosmic time. Contains sections on ultraviolet morphology of nearby galaxies, ultraviolet photometry of galaxies at low redshift, ultraviolet spectroscopy of galaxies and intergalactic matter, ultraviolet properties of evolved and active galaxies, restframe UV morphology and photometry of high-Z galaxies, reconciling the high-Z universe with local benchmarks, and future prospects. Includes many color photos. Annotation c. by Book News, Inc., Portland, Or.
Author : Jeremy Walsh,Michael R. Rosa
Publisher : Springer Science & Business Media
Page : 329 pages
File Size : 53,9 Mb
Release : 2013-06-29
Category : Science
ISBN : 9783540483601
Author : I. Pérez-Fournon
Publisher : Cambridge University Press
Page : 302 pages
File Size : 52,7 Mb
Release : 2003-03-20
Category : Science
ISBN : 0521825911
This volume presents lectures of the XI Canary Islands Winter School of Astrophysics written by experts in the field.
Author : Space Telescope Science Institute (U.S.). Symposium,Mario Livio,Space Telescope Science Institute (U.S.)
Publisher : Cambridge University Press
Page : 328 pages
File Size : 51,7 Mb
Release : 1998-10-13
Category : Science
ISBN : 0521630975
The Hubble Deep Field (HDF) is the deepest optical image of the Universe ever obtained. It is the result of a 150-orbit observing programme with the Hubble Space Telescope. It provides a unique resource for researchers studying the formation and evolution of stars and galaxies. This timely volume provides the first comprehensive overview of the HDF and its scientific impact on our understanding in cosmology. It presents articles by a host of world experts who gathered together at an international conference at the Space Telescope Science Institute. The contributions combine observations of the HDF at a variety of wavelengths with the latest theoretical progress in our understanding of the cosmic history of star and galaxy formation. The HDF is set to revolutionize our understanding in cosmology. This book therefore provides an indispensable reference for all graduate students and researchers in observational or theoretical cosmology.
Author : Nial R. Tanvir
Publisher : World Scientific
Page : 496 pages
File Size : 46,5 Mb
Release : 1997
Category : Cosmology
ISBN : 9789814530408
"Since the successful refurbishment mission, the Hubble Space Telescope has made dramatic and exciting progress in unravelling the nature of sources at high redshift. The upcoming installation of the next generation of instruments will give further impetus to the field, particularly in the infrared spectral region. The proceedings of this landmark meeting review the results of the first three years of post-repair data, including the deepest astronomical images ever obtained: the Hubble Deep Field. This was the first presentation of these exciting results at a major international conference. The interface between HST and ground-based facilities and planned programmes with forthcoming HST instruments are also extensively discussed."--Publisher's website.
Author : Katsuhiko Sato
Publisher : Springer Science & Business Media
Page : 336 pages
File Size : 53,5 Mb
Release : 1999-01-31
Category : Science
ISBN : 0792354591
How old is our Universe? At what speed is our Universe expanding? Is our universe flat or curved? How is the hierarchical structure of the present Universe formed? The purpose of IAU Symposium 183 on the Cosmological Parameters and the Evolution of the Universe was to encourage a state-of-the-art discussion and assessment of cosmology by putting together the latest observational data and theoretical ideas on the evolution of the universe and cosmological parameters. In this volume, excellent reviews on these subjects by distinguished scientists are included. The first article by M.S. Longair, `Cosmological Parameters and the Evolution of the Universe: Progress and Prospect', is a magnificent general review which can be understood by non-specialists. The other reviews include Hubble Constants (W.L. Freedman, G.A. Tammann), Microwave Background Radiation (R.B. Partridge, N. Sugiyama), Galaxy Formation and Evolution (R.S. Ellis) and Alternative Cosmological Models (J.V. Narlikar). In addition to the reviews, recent observational and theoretical developments by outstanding active scientists are included.
Author : Veronique Cayatte,Bruno Guiderdoni,Francois Hammer,Trinh Xuan Thuan,J Tran Thanh Van
Publisher : World Scientific
Page : 494 pages
File Size : 50,8 Mb
Release : 2000-07-17
Category : Electronic
ISBN : 9789814542777
These proceedings provide a summary of the state-of-the-art in the understanding of physical processes which control galaxy formation. Many topics are discussed which present the latest observational results: dust extinction, the role of AGNs in the formation of massive galaxies, etc. How future instruments such as NGST, ALMA, FIRST, KMT and SKAI can help to resolve these questions is also addressed. The book will serve as a useful reference in the field for many years to come.
Author : Jacqueline Bergeron
Publisher : Springer Science & Business Media
Page : 828 pages
File Size : 42,6 Mb
Release : 2000-04-14
Category : Science
ISBN : 3540671633
This symposium was dedicated to science opportunities with the VLT. All major areas of astronomical research were discussed in the plenary sessions, ranging from where we stand in cosmology to the new frontiers in the solar system. The workshops published in this volume focussed on different ways of finding clusters of galaxies at high redshift, on gravitational lensing by distant compact clusters, on the use of stellar populations as distance, age or abundance indicators, and on the extraordinary progress made in the discovery of extrasolar planets. This book affords a glimpse of what will be at the center of astrophysical research in the forthcoming decade. It is addressed to researchers and graduate students.
Author : Anonim
Publisher : Unknown
Page : 356 pages
File Size : 51,6 Mb
Release : 1998
Category : Astrophysics
ISBN : CORNELL:31924080494770
Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
Page : 42 pages
File Size : 48,9 Mb
Release : 2018-07-15
Category : Electronic
ISBN : 1722921889
Ultraviolet spectropolarimetry of three bright high-redshift low polarization quasars (LPQ's) was obtained with the Faint Object Spectrograph of the Hubble Space Telescope. Two of the quasars, PG 1634+706 and PG 2302+029, had polarizations of rho is approximately equal to 0.5-1.0 percent throughout the ultraviolet, and showed no significant variation of polarization amplitude or position angle with wavelength. PG 2302+029 was also marginally (2.4 sigma) circularly polarized in the optical continuum. For the highest redshift quasar, PG 1222+228 (Ton 1530), the polarization was measured down to rest wavelengths below 800 A. Although the continuum of PG 1222+228 was weakened by Lyman limit absorption from an intergalactic gas cloud, the polarization increased sharply from 1 percent to about 4.5 percent, a change of 4 sigma significance. This abrupt rise in polarization does not appear attributable to any known instrumental artifact. These UV polarizations were only slightly less than those previously observed for these same objects in the optical. The polarization spectra were flat with a typical slope of the polarized flux pF(sub upsilon) varies as upsilon(exp -0.8 plus or minus 0.5). Unlike the polarization spectra of several high luminosity Seyfert 1 nuclei studied previously, such a flat wavelength dependence of polarization cannot be explained by scattering from dust grains. The hypotheses that the polarization in these quasars is produced by transmission through aligned interstellar grains (in the Milky Way or the host galaxy), or by a synchrotron power law component, also appear to be ruled out. These observed spectra are consistent with a wavelength-independent polarization proportional to the total nonstellar light or, possibly, to the contribution of the blue thermal component. Impey, Chris D. and Malkan, Matthew A. and Webb, Wayne and Petry, C. E. Unspecified Center NAS5-26555...
Author : Brigitte Kaldeich-Schürmann
Publisher : Unknown
Page : 356 pages
File Size : 40,8 Mb
Release : 1998
Category : Astrophysics
ISBN : PSU:000061616165
Author : David L. Block,Ivânio Puerari,DeWet Ferreira,Alan Stockton
Publisher : Springer Science & Business Media
Page : 870 pages
File Size : 41,7 Mb
Release : 2000-07-31
Category : Science
ISBN : 0792361857
South Africa - a land of paradigm shifts. A land where we are willing to leave behind the old, to bravely accept the new. What do we need to exit the dark ages in the morphology of galaxies? How prevalent is the cherishing of old concepts? Traditional morphology has been `mask-oriented', focusing on masks of dust and gas which may constitute only 5 percent of the dynamical mass of a galaxy. Some of the world's foremost astronomers flew to South Africa to address morphologically related issues at an International Conference, the proceedings of which are contained in this volume. Examine predicted extinction curves for primordial dust at high redshift. Stars evolve; why not dust? Read about the breakdown of the Hubble sequence at a redshift of one. Explore the morphology of rings; the mysteries of metal-rich globular clusters; vigorous star-formation in the Large Magellanic Cloud; the world of secular evolution, where galaxies change their shapes within one Hubble time. And much more. Examine a new kinematical classification scheme of the unmasked, dust-penetrated near-infrared images of spiral galaxies. This volume contains over 80 refereed contributions (including 18 in-depth keynote review articles), 40 pages of questions and answers, a panel discussion transcribed from tape and 24 colour plates. The volume is unique in that contributions from both high and low redshift experts are represented at a level readily accessible to postdoctoral students entering the exciting world of morphology - whether it be of the local, or more distant, Universe.
Author : José Franco,Alberto Carraminana
Publisher : Cambridge University Press
Page : 304 pages
File Size : 44,5 Mb
Release : 1999-05-28
Category : Science
ISBN : 052165131X
This timely volume presents a series of review articles covering every aspect of interstellar turbulence--from accretion disks, molecular clouds, atomic and ionized media, through to spiral galaxies - based on a major international conference held in Mexico City.With advances in observational techniques and the development of more efficient computer codes and faster computers, research in this area has made spectacular progress in recent years. This book provides a comprehensive overview of the most important developments in observing and modelling turbulent flows in the cosmos. It provides graduate student and researchers with a state-of-the-art summary of observational, theoretical and computational research in interstellar turbulence.
Author : Nial R Tanvir,Alfonso Aragon-salamanca,Jasper V Wall
Publisher : World Scientific
Page : 496 pages
File Size : 54,8 Mb
Release : 1997-05-03
Category : Electronic
ISBN : 9789814547031
Since the successful refurbishment mission, the Hubble Space Telescope has made dramatic and exciting progress in unravelling the nature of sources at high redshift. The upcoming installation of the next generation of instruments will give further impetus to the field, particularly in the infrared spectral region.The proceedings of this landmark meeting review the results of the first three years of post-repair data, including the deepest astronomical images ever obtained: the Hubble Deep Field. This was the first presentation of these exciting results at a major international conference. The interface between HST and ground-based facilities and planned programmes with forthcoming HST instruments are also extensively discussed.
