Cold Gas At High Redshift PDF Download
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Author | : M.N. Bremer |
Publisher | : Springer Science & Business Media |
Total Pages | : 448 |
Release | : 2012-12-06 |
Genre | : Science |
ISBN | : 9400917260 |
Download Cold Gas at High Redshift Book in PDF, ePub and Kindle
Recent years have seen increasing evidence that the main epoch of galaxy formation in the universe may be directly accessible to observation. An gular fluctuations in the background relict radiation have been detected by various ground-based instruments as well as by the COBE satellite, and suggest that the epoch of galaxy formation was not so very early. Combined optical and radio studies have found galaxies at redshifts above 2. 0, systems that at least superficially show the characteristics expected of large galaxies seen only shortly after their formation. And absorption lines in the spectra of quasars seem to be telling us that most cold gas at early to intermediate cosmological epochs was in clouds having roughly galaxy sized masses. What kinds of new observations will best help us study this high redshift universe in future? What new instruments will be needed? These are questions that loom large in the minds of the Dutch astronom ical community as we celebrate 25 years of operation of the Westerbork Synthesis Radio Telescope. Celebration of this Silver Jubilee has included a birthday party (on 23 June, 1995), a commemorative volume looking at both the history and the future of the facility ("The Westerbork Observa tory, Continuing Adventure in Radio Astronomy," Kluwer 1996), and an international workshop, held in the village of Hoogeveen on 28-30 August, 1995.
Author | : I. Pérez-Fournon |
Publisher | : Cambridge University Press |
Total Pages | : 302 |
Release | : 2003-03-20 |
Genre | : Science |
ISBN | : 9780521825917 |
Download Galaxies at High Redshift Book in PDF, ePub and Kindle
This volume presents lectures of the XI Canary Islands Winter School of Astrophysics written by experts in the field.
Author | : Immo Appenzeller |
Publisher | : Springer Science & Business Media |
Total Pages | : 353 |
Release | : 2009-06-17 |
Genre | : Science |
ISBN | : 3540758240 |
Download High-Redshift Galaxies Book in PDF, ePub and Kindle
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 | : Peter Shaver |
Publisher | : Springer Science & Business Media |
Total Pages | : 418 |
Release | : 2013-06-29 |
Genre | : Science |
ISBN | : 3540699996 |
Download Science with Large Millimetre Arrays Book in PDF, ePub and Kindle
The next major step in millimetre astronomy, and one of the highest-priority items in radio astronomy today, is a large millimetre array with a collecting area 2 of up to 10 000 m . A project of this scale will almost certainly require inter national collaboration, at least within Europe, and possibly with other major partners elsewhere. In order to establish a focal point for this project within Europe, a study has been undertaken by the Institut de Radio Astronomie Mil Ii met rique (IRAM), the European Southern Observatory (ESO), The Onsala Space Observatory (OSO), and The Netherlands Foundation for Research in Astronomy (NFRA). In the context of this project, a workshop attended by some 100 participants was held at ESO Garching on December 11-13, 1995 to discuss the scientific advances such an array will make possible. Throughout the three days of the workshop the strong enthusiasm for the concept of a large millimetre array in the southern hemisphere (the Large South ern Array, or LSA) was obvious, and it became clear that such a facility would have a profound impact on almost all areas of observational astrophysics. It was particularly clear that, since their main science drivers (cosmology, and the origins of galaxies, stars and planets) are the same, and their angular resolutions and sensitivities similar, the LSA and the VLT would strongly complement each other.
Author | : Jeremy Walsh |
Publisher | : Springer Science & Business Media |
Total Pages | : 329 |
Release | : 2013-06-29 |
Genre | : Science |
ISBN | : 3540483608 |
Download Chemical Evolution from Zero to High Redshift Book in PDF, ePub and Kindle
Author | : Timothy Weinzirl |
Publisher | : Springer |
Total Pages | : 249 |
Release | : 2014-07-17 |
Genre | : Science |
ISBN | : 3319069594 |
Download Probing Galaxy Evolution by Unveiling the Structure of Massive Galaxies Across Cosmic Time and in Diverse Environments Book in PDF, ePub and Kindle
Awarded the American Astronomical Society (AAS) Rodger Doxsey Travel Prize, and with a foreword by thesis supervisor Professor Shardha Jogee at the University of Texas at Austin, this thesis discusses one of the primary outstanding problems in extragalactic astronomy: how galaxies form and evolve. Galaxies consist of two fundamental kinds of structure: rotationally supported disks and spheroidal/triaxial structures supported by random stellar motions. Understanding the balance between these galaxy components is vital to comprehending the relative importance of the different mechanisms (galaxy collisions, gas accretion and internal secular processes) that assemble and shape galaxies. Using panchromatic imaging from some of the largest and deepest space-based galaxy surveys, an empirical census of galaxy structure is made for galaxies at different cosmic epochs and in environments spanning low to extremely high galaxy number densities. An important result of this work is that disk structures are far more prevalent in massive galaxies than previously thought. The associated challenges raised for contemporary theoretical models of galaxy formation are discussed. The method of galaxy structural decomposition is treated thoroughly since it is relevant for future studies of galaxy structure using next-generation facilities, like the James Webb Space Telescope and the ground-based Giant Magellan Telescope with adaptive optics.
Author | : Andrew W. Blain |
Publisher | : Springer Science & Business Media |
Total Pages | : 320 |
Release | : 2006-04-18 |
Genre | : Science |
ISBN | : 3540316361 |
Download The Cold Universe Book in PDF, ePub and Kindle
This book contains the expanded lecture notes of the 32nd Saas-Fee Advanced Course. The three contributions present the central themes in modern research on the cold universe, ranging from cold objects at large distances to the physics of dust in cold clouds.
Author | : Ralf Bender |
Publisher | : Springer Science & Business Media |
Total Pages | : 394 |
Release | : 2003-01-23 |
Genre | : Science |
ISBN | : 9783540002055 |
Download The Mass of Galaxies at Low and High Redshift Book in PDF, ePub and Kindle
Measuring the masses of galaxies as a function of redshift is perhaps one of the most challenging open issues in current astronomical research. The evolution of the baryonic and dark matter components of galaxies is not only a critical test of the hierarchical formation paradigm, but ultimately also provides new clues on the complex interplay between star formation, the cooling and heating of gas and galaxy merging processes. This book reviews current techniques to measure the baryonic (stellar) and dark masses of nearby galaxies, and focusses on ongoing attempts to measure theses same quantities in galaxies at higher and higher redshifts. It also gives room to future perspectives, with special emphasis on new survey projects and satellite missions.
Author | : Astronomisches Rechen-InstitutARI |
Publisher | : Springer Science & Business Media |
Total Pages | : 1746 |
Release | : 2013-11-11 |
Genre | : Science |
ISBN | : 3642517587 |
Download Literature 1997, Part 1 Book in PDF, ePub and Kindle
Astronomy and Astrophysics Abstracts is devoted to the recording, summarizing and indexing of astronomical publications throughout the world. Two volumes are scheduled to appear per year. Volume 67 records 10,903 papers covering besides the classical fields of astronomy and astrophysics such matters as space flights related to astronomy, lunar and planetary probes and satellites, meteorites and interplanetary matter, X rays and cosmic rays, quasars and pulsars. The abstracts are classified under more than one hundred subject categories thus permitting quick surveying of the bulk of material published on the same topic within six months. For instance, this volume records 119 papers on minor planets, 155 papers on supernovae, and 554 papers on cosmology.
Author | : International Astronomical Union. Symposium |
Publisher | : Springer Science & Business Media |
Total Pages | : 608 |
Release | : 1997-04-30 |
Genre | : Science |
ISBN | : 9780792345398 |
Download Molecules in Astrophysics: Probes and Processes Book in PDF, ePub and Kindle
Proceedings of the 178th Symposium of the International Astronomical Union held in Leiden, The Netherlands, July 1-5, 1996