Cold Gas at High Redshift (eBook, PDF)

Proceedings of a Workshop Celebrating the 25th Anniversary of the Westerbork Synthesis Radio Telescope, held in Hoogeveen, The Netherlands, August 28-30, 1995
Redaktion: Bremer, M. N.; Carilli, C. L.; Röttgering, H. J. A.; Werf, P. P. van der

• Format: PDF

Produktbeschreibung

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.

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Produktdetails

• Verlag: Springer Netherlands
• Seitenzahl: 468
• Erscheinungstermin: 6. Dezember 2012
• Englisch
• ISBN-13: 9789400917262
• Artikelnr.: 43981147

Inhaltsangabe

Introduction: Cold Gas at High Redshift.- Cold Gas at High Redshift.- Cold Gas and Evolution at Low to Moderate Redshift.- CO in Ultraluminous and High z Galaxies.- Ultraluminous Infrared Galaxies: Dissipation in Forming Spheroidal Systems.- The Neutral Hydrogen Distribution in Luminous Infrared Galaxies.- Molecular Gas and Dust in Infrared Luminous Galaxies.- The Evolution of the Far-infrared Galaxy Population.- The European Large Area ISO Survey: ELAIS.- Keck Observations of µJy Radio Sources: Hints to Galaxy Evolution.- Theoretical Aspects.- Small Scale Structure and High Redshift HI.- Are the Lyman Alpha Forest "Clouds" Expanding Pancakes? Some Theoretical Implications of the Recent Size Determinations of Ly? Absorbers.- On the Distribution of Intergalactic Clouds.- Disk Galaxies at z = 0 and at High Redshift.- Warm Gas at High Redshift. Clues to Gravitational Structure Formation from Optical Spectroscopy of Lyman Alpha Absorption Systems.- Gas in Clusters.- H I Imaging of Clusters.- An H I Survey of the Bootes Void.- An H I Study of Ursa Major Spirals. Dark Matter in Spirals and the TF-relations.- H I at High Redshift.- Butcher-Oemler Effect and Radio Continuum.- Warm Molecular Gas in AGNs and Cooling Flows.- The Search for Cold Gas in the Intracluster Medium.- X-ray Observations of Cold Gas in Clusters.- Absorption Measurements.- Absorption Measurements of Molecular Gas.- A New Molecular Absorption Line System. The Gravitational Lens PKS 1830-211 at z = 0.88582.- Deep HST Imaging of a Damped Lyman ? Absorbing Galaxy at z = 2.81.- Associated X-ray Absorption in High Redshift Quasars.- Opacity of Singly Ionized Helium from Very Tenuous Intergalactic Absorbing Gas.- Heavy Elements in the Lyman-? Forest: Abundances and Clus- tering at z = 3.- AbsorptionLines from Cold Gas in Extragalactic Superbubbles. Ti II and Ca II Absorption Towards the Superbubble LMC2 in the Large Magellanic Cloud.- Gravitational Lenses and Damped Ly? Systems.- H I 21 cm Line Observations of Damped Ly? Systems.- A Radio Search for High Redshift H I Absorption.- Testing z ? 0 Analogs for the Damped Lyman ? Absorbers.- Interstellar Medium in Distant Galaxies.- Molecular Gas in High Redshift Galaxies.- CO, C I and (Possibly) HCN in the Cloverleaf Quasar.- Searching for Molecular Gas in a Radio Galaxy at Redshift 3.8.- Thermal Emission from Dust in High-z Galaxies.- Submillimetre Observations of QSOs at Redshifts z > 4.- 1.25 mm Detection of 7 Radioquiet QSOs with Very High z.- Radiative Transfer Models for IRAS F10214+4724 and other Hy-perluminous Galaxies.- IR and X-rays from IRAS F10214+4724: a Hidden AGN?.- Gas and Dust in high z radio galaxies.- Kinematics and H I Absorption in Ly? Halos around z > 2 Radio Galaxies.- The Ly? Velocity Field of the Radio Galaxy 4C41.17 (z = 3.8) with TIGER/CFHT.- The Effect of a Surrounding Cooling Flow on a Powerful Radio Source.- An HST Look at Dust in 3CR Galaxies.- Detailed Studies of the Lyman Alpha Kinematics in 2104 - 242.- Orientation Effects in Quasar Spectra: Dust and Obscuration.- Effects of Dust and Resonance Scattering on the UV Spectrum of Radio Galaxies.- HST Observations of Radio Galaxies at z ~ 1.- Instrumental Developments.- Studies of Cold Gas in the Early Universe with Large Millimeter Arrays.- Strategies for Galaxy Surveys in the Submillimetre Waveband.- Considerations for Detecting CO in High Redshift galaxies.- Future Possibilities for Detecting H I at High Redshift.- SPH Simulations of the Early Universe. Performance of the Dwingeloo Square Kilometer Array.- Searches for H IEmission from Protoclusters using the Giant Metrewave Radio Telescope - Observational Strategies.