Author: Marta Malgorzata Sewilo
Publisher:
ISBN:
Category : Early stars
Languages : en
Pages : 258

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Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 702

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Author: Daniel Y. Gezari
Publisher:
ISBN:
Category : Infrared astronomy
Languages : en
Pages : 884

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Author: Naveen Reddy
Publisher: Universal-Publishers
ISBN: 1581123310
Category : Science
Languages : en
Pages : 208

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We examine the census of star-forming galaxies and their extinction properties at redshift z 2, when a large fraction of the stellar mass in the universe formed. We find a good agreement between the X-ray, radio, and de-reddened UV estimates of the average star formation rate (SFR) for our sample of z 2 galaxies of 50 Msun/yr, indicating that the locally calibrated SFR relations appear to be statistically valid from redshifts 1.5

Author: Alvio Renzini
Publisher: Springer Science & Business Media
ISBN: 9783540256656
Category : Science
Languages : en
Pages : 520

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The possibilities of astronomical observation have dramatically increased over the last decade. Major satellites, like the Hubble Space Telescope, Chandra and XMM Newton, are complemented by numerous large ground-based observatories, from 8m-10m optical telescopes to sub-mm and radio facilities. As a result, observational astronomy has access to virtually the whole electromagnetic spectrum of galaxies, even at high redshifts. Theoretical models of galaxy formation and cosmological evolution now face a serious challenge to match the plethora of observational data. In October 2003, over 170 astronomers from 15 countries met for a 4-day workshop to extensively illustrate and discuss all major observational projects and ongoing theoretical efforts to model galaxy formation and evolution. This volume contains the complete proceedings of this meeting and is therefore a unique and timely overview of the current state of research in this rapidly evolving field.

Author: International Astronomical Union. Symposium
Publisher: Cambridge University Press
ISBN: 9780521874724
Category : Science
Languages : en
Pages : 616

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Reviews our current understanding of the life, evolution and death of massive stars; for researchers and graduate students.

Author: Daniel Y. Gezari
Publisher:
ISBN:
Category : Infrared astronomy
Languages : en
Pages : 410

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The catalog contains about 210,000 observations of roughly 20,000 individual sources, and supporting appendices. The literature search is complete for years 1965 through 1990.

Author: Brian J. McLean
Publisher: Springer Science & Business Media
ISBN: 9400914857
Category : Science
Languages : en
Pages : 508

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Large area sky surveys are now a reality in the radio, IR, optical and X-ray passbands. In the next few years, new surveys using optical, UV and IR mosaic cameras with high throughput digital detectors will expand the dynamic range and accuracy of photometry and astrometry of objects over a significant fraction of the entire sky. Parallel X-ray and radio surveys over the same areas will produce astronomical image and spectroscopic databases of unprecedented size and quality. The combined data sets will provide significant new constraints on star formation, stellar dynamics, Galactic structure, the evolution of galaxies and large scale structure, as well as new opportunities to identify rare objects in the solar system and the Galaxy. Large area surveys have formidable data acquisition, processing, archiving, and data distribution demands and this meeting provided a forum for sharing experiences amongst workers specializing in different wavebands as well as discussing how multiband observations can reveal fundamental relationships in our understanding of the Universe.

Author: W.B. Burton
Publisher: Springer Science & Business Media
ISBN: 3540316299
Category : Science
Languages : en
Pages : 409

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The previous Saas-Fee Advanced Course dedicated to the interstellar medium took place in 1972. The tremendous scientific advances that have occurred in this field since then, in particular owing to the availabihty of receivers working at completely unexplored wavelength bands, fuUy justified a new set of lectures. As a consequence, the members of the Swiss Society for Astrophysics and As tronomy voted that "The Galactic Interstellar Medium" should be the subject of the 1991 course. The 21st Saas Fee Advanced Course took place in Les Diablerets from 18 to 23 March 1991, gathering together about 80 participants from all over the world, but mostly from Europe. According to a rule that has proved to lead to success, but also to chal lenge the lecturers' energy, the format of a Saas-Fee Advanced Course consists traditionally of 28 lectures of 45 minutes which take place in the morning and late afternoon, leaving ample time for discussions, self-study, hiking or skiing. Despite the inordinate work load imposed, this year's lecturers felt that the subject was sufficiently dense to increase the lecture time by 1/3! This proved judicious and left more time for questions and discussions during the lectures.

Author:
Publisher: National Academies
ISBN:
Category : Research grants
Languages : en
Pages : 164

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