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Download or read book Ultraviolet Universe at Low and High Redshift written by and published by . This book was released on 2008 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : William H. Waller
Publisher : Amer Inst of Physics
ISBN 13 : 9781563967085
Total Pages : 551 pages
Book Rating : 4.81/5 ( download)
Download or read book The Ultraviolet Universe at Low and High Redshift written by William H. Waller and published by Amer Inst of Physics. This book was released on 1997 with total page 551 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 : Immo Appenzeller
Publisher : Springer Science & Business Media
ISBN 13 : 3540758240
Total Pages : 353 pages
Book Rating : 4.42/5 ( download)
Download or read book High-Redshift Galaxies written by Immo Appenzeller and published by Springer Science & Business Media. This book was released on 2009-06-17 with total page 353 pages. Available in PDF, EPUB and Kindle. Book excerpt: The high-redshift galaxies became a distinct research ?eld during the ?nal decade of the20thcentury. AtthattimetheLyman-breaktechniquemadeitpossibletoidentify signi?cant samples of such objects, and the new generation of 8 to 10-m telescopes resulted in ?rst good spectroscopic data. Today the high-redshift galaxies have developed into one of the important topics of astrophysics, accounting for about 5–10% of the publications in the major scienti?c journals devoted to astronomy. Because high-redshift galaxies is a rapidly developing ?eld and since new results are published constantly, writing a book on this topic is challenging. On the other hand, in view of the large amount of individual results now in the literature, and in view of the still growing interest in this topic, it appears worthwhile to summarize and evaluate the available data and to provide an introduction for those who wish to enter this ?eld, or who, for various reasons, might be interested in its results. The end of the ?rst decade of the 21st century appears to be a good point in time to attempt such a summary. The current generation of ground-based 8 to 10-m - optical telescopes, the Hubble Space Telescope, and the most important large radio telescopes have by now been in operation since about one or two decades. Although these instruments will continue to produce important scienti?c results for some time to come, many of the initial programs exploiting their unique new possibilities have been completed.
Author : Space Telescope Science Institute (U.S.). Symposium
Publisher : Cambridge University Press
ISBN 13 : 9780521630979
Total Pages : 328 pages
Book Rating : 4.75/5 ( download)
Download or read book The Hubble Deep Field written by Space Telescope Science Institute (U.S.). Symposium and published by Cambridge University Press. This book was released on 1998-10-13 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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
ISBN 13 : 9814547034
Total Pages : 496 pages
Book Rating : 4.31/5 ( download)
Download or read book Hubble Space Telescope And The High Redshift Universe, The - Proceedings Of The 37th Herstmonceux Conference written by Nial R Tanvir and published by World Scientific. This book was released on 1997-05-03 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Author : Jeremy Walsh
Publisher : Springer Science & Business Media
ISBN 13 : 3540483608
Total Pages : 329 pages
Book Rating : 4.01/5 ( download)
Download or read book Chemical Evolution from Zero to High Redshift written by Jeremy Walsh and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 329 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781722921880
Total Pages : 42 pages
Book Rating : 4.89/5 ( download)
Download or read book Ultraviolet Spectropolarimetry of High Redshift Quasars with the Hubble Space Telescope written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-15 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 : J. A. Peacock
Publisher : Cambridge University Press
ISBN 13 : 9780521422703
Total Pages : 700 pages
Book Rating : 4.01/5 ( download)
Download or read book Cosmological Physics written by J. A. Peacock and published by Cambridge University Press. This book was released on 1999 with total page 700 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive and authoritative introduction to contemporary cosmology for advanced undergraduate and graduate students.
Author : Andrew John Bunker
Publisher :
ISBN 13 :
Total Pages : 720 pages
Book Rating : 4.37/5 ( download)
Download or read book The Hy-redshift Universe written by Andrew John Bunker and published by . This book was released on 1999 with total page 720 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bunker (astronomy, U. of California) and van Breugel (Institute of Geophysics & Planetary Physics) present 87 papers from the June 1999 conference on the study of high-redshift galaxies (the pun in the title is a dedication to scientist Spinrad). The contributions are organized into sections on radio galaxies at large redshifts, galaxy stellar populations and scaling relations, deep field surveys, galaxy evolution in clusters, theory and observations of structure formation, the history of star formation, and future prospects.
Author : Steven Arthur Dawson
Publisher : Universal-Publishers
ISBN 13 : 1581122942
Total Pages : 203 pages
Book Rating : 4.47/5 ( download)
Download or read book Lyman Alpha Emitting Galaxies at High Redshift written by Steven Arthur Dawson and published by Universal-Publishers. This book was released on 2005 with total page 203 pages. Available in PDF, EPUB and Kindle. Book excerpt: As late as 1995, the anticipated widespread population of primeval galaxies remained at large, lurking undetected at unknown redshifts, with undiscovered properties. We present results from our efforts to detect and characterize primeval galaxies by their signature high-redshift Lyman-alpha emission lines utilizing two observational techniques: serendipitous slit spectroscopy and narrowband imaging. By pushing these techniques to their utmost limits, we probe the Lyman-alpha-emitting galaxy population out to redshifts as high as z = 6.5. Galaxies at this epoch reside in a universe which is just 800 million years old, a mere 6% of its current age. As such, this work provides one account of the manner by which observational cosmology has recently shifted from merely marveling at the incredible lookback times implied by the first few high-redshift detections, to the routine assembly of high-redshift datasets designed to address specific astrophysical issues.
