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Author : Gary Allan Mamon
Publisher : Atlantica Séguier Frontières
ISBN 13 : 9782863322260
Total Pages : 666 pages
Book Rating : 4.3/5 (222 download)
Download or read book Astronomie Extragalactique Dans L'infrarouge written by Gary Allan Mamon and published by Atlantica Séguier Frontières. This book was released on 1997 with total page 666 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : N. Epchtein
Publisher : Springer Science & Business Media
ISBN 13 : 940110946X
Total Pages : 271 pages
Book Rating : 4.4/5 (11 download)
Download or read book Science with Astronomical Near-Infrared Sky Surveys written by N. Epchtein and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 271 pages. Available in PDF, EPUB and Kindle. Book excerpt: Outstanding progress in near-infrared detection technology and in real-time image processing has led astronomers to start undertaking all-sky surveys in the 1--2 mum range (project DENIS in Europe and 2MASS in the U.S.A.), surveys which will have a considerable impact in various areas of astronomy. This book gathers the contributions of more than 80 specialists involved in fields of interest as different as low mass stars, late stages of stellar evolution, star formation, stellar populations of the Galaxy and the Magellanic Clouds, the local structure of the Universe, and observational cosmology. It describes the impact on these fields of the exhaustive data bases and catalogs of stars and galaxies that these surveys will provide. The considerable interest of these documents for the future of infrared space and ground-based projects and the complementarity with other currently ongoing or planned surveys in other spectral ranges are emphasized.
Author : Luca Cortese
Publisher :
ISBN 13 :
Total Pages : 211 pages
Book Rating : 4.:/5 (493 download)
Download or read book Environmental Effects on Galaxy Evolution in Nearby Clusters written by Luca Cortese and published by . This book was released on 2005 with total page 211 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ce travail est dédié à l'étude des effets d'environnement sur l'évolution des galaxies, en utilisant un échantillon multi-longueur d'onde. En combinant pour la première fois des observations UV de GALEX à des données en optique, et en infrarouge j'ai déterminé l'histoire évolutive des galaxies. Touts les résultats obtenus montrent que : - les elliptiques géantes sont vieilles, à l'inverse des elliptiques naines qui contiennent toujours des populations stellaires jeunes. - L'importance relative des différents mécanismes d'environnement varie avec l'âge de l'univers. Les interactions de marée ont dominé dans l'univers passé mais la pression dynamique domine dans les amas d'aujourd'hui. - La classe des galaxies SO, n'est pas le résultat d'un seul mécanisme de transformation. - Il y a une forte corrélation entre l'âge moyen des populations stellaires et la masse des galaxies. Comprendre l'origine de cet effet représente aujourd'hui un des défis pour les modèles d'évolution des galaxies.
Author :
Publisher : Odile Jacob
ISBN 13 : 2738178006
Total Pages : 298 pages
Book Rating : 4.7/5 (381 download)
Download or read book written by and published by Odile Jacob. This book was released on with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Maria del Carmen Polletta
Publisher :
ISBN 13 :
Total Pages : 208 pages
Book Rating : 4.:/5 (89 download)
Download or read book Dust in Normal and Active Galaxies as Observed by the Infrared Space Observatory and the Hubble Space Telescope written by Maria del Carmen Polletta and published by . This book was released on 2001 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt: L'émission infrarouge et les propriétés des poussières des galaxies de Seyfert à raies étroites et des quasars radio bruyants et radio silencieux sont analysées et discutées.
Author : Siegfried Böhme
Publisher : Springer Science & Business Media
ISBN 13 : 3662122871
Total Pages : 618 pages
Book Rating : 4.6/5 (621 download)
Download or read book Literature 1973, Part 1 written by Siegfried Böhme and published by Springer Science & Business Media. This book was released on 2013-03-14 with total page 618 pages. Available in PDF, EPUB and Kindle. Book excerpt: Astronomy and Astrophysics Abstracts, which has appeared in semi-annual volumes since 1969, is de voted to the recording, summarizing and indexing of astronomical publications throughout the world. It is prepared under the auspices of the International Astronomical Union (according to a resolution adopted at the 14th General Assembly in 1970). Astronomy and Astrophysics Abstracts aims to present a comprehensive documentation of literature in all fields of astronomy and astrophysics. Every effort will be made to ensure that the average time interval between the date of receipt of the original literature and publication of the abstracts will not exceed eight months. This time interval is near to that achieved by monthly abstracting journals, com pared to which our system of accumulating abstracts for about six months offers the advantage of greater convenience for the user. Volume 9 contains literature published in 1973 and received before August 15, 1973; some older liter ature which was received late and which is not recorded in earlier volumes is also included. We acknowledge with thanks contributions to this volume by Dr. J. Bouska, who surveyed journals and publications in the Czech language and supplied us with abstracts in English, and by the Common wealth Scientific and Industrial Research Organization (C.S.I.R.O.), Sydney, for providing titles and abstracts of papers on radio astronomy.
Author :
Publisher :
ISBN 13 :
Total Pages : 422 pages
Book Rating : 4.3/5 (91 download)
Download or read book PASCAL. written by and published by . This book was released on 1993 with total page 422 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Hans Christian Kroger
Publisher : Martinus Nijhoff Publishers
ISBN 13 : 9789041115386
Total Pages : 1480 pages
Book Rating : 4.1/5 (153 download)
Download or read book Annuaire Europeen 1998 / European Yearbook 1998 written by Hans Christian Kroger and published by Martinus Nijhoff Publishers. This book was released on 2000-12-01 with total page 1480 pages. Available in PDF, EPUB and Kindle. Book excerpt: The "European Yearbook" promotes the scientific study of nineteen European supranational organisations and the Organisation for Economic Co-operation and Development (OECD). Each volume contains a detailed survey of the history, structure and yearly activities of each organisation and an up-to-date chart providing a clear overview of the member states of each organisation. In addition, a number of articles on topics of general interest are included in each volume. A general index by subject and name, and a cumulative index of all the articles which have appeared in the "Yearbook," are included in every volume and provide direct access to the "Yearbook"'s subject matter. Each volume contains a comprehensive bibliography covering the year's relevant publications. This is an indispensable work of reference for anyone dealing with the European institutions.
Author : European Southern Observatory
Publisher :
ISBN 13 :
Total Pages : 144 pages
Book Rating : 4.3/5 (91 download)
Download or read book Report written by European Southern Observatory and published by . This book was released on 2001 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Thierry Montmerle
Publisher : Atlantica Séguier Frontières
ISBN 13 : 9782863321508
Total Pages : 462 pages
Book Rating : 4.3/5 (215 download)
Download or read book The Cold Universe written by Thierry Montmerle and published by Atlantica Séguier Frontières. This book was released on 1994 with total page 462 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : H. Grünbacher
Publisher : Atlantica Séguier Frontières
ISBN 13 : 9782863322208
Total Pages : 462 pages
Book Rating : 4.3/5 (222 download)
Download or read book ESSCIRC '97 written by H. Grünbacher and published by Atlantica Séguier Frontières. This book was released on 1997 with total page 462 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Brigitte Rocca-Volmerange
Publisher : Atlantica Séguier Frontières
ISBN 13 : 9782863321225
Total Pages : 460 pages
Book Rating : 4.3/5 (212 download)
Download or read book First Light in the Universe written by Brigitte Rocca-Volmerange and published by Atlantica Séguier Frontières. This book was released on 1993 with total page 460 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 342 pages
Book Rating : 4.6/5 (248 download)
Download or read book Information Bulletin written by and published by . This book was released on 1991 with total page 342 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 1086 pages
Book Rating : 4.3/5 (91 download)
Download or read book Organon written by and published by . This book was released on 1974 with total page 1086 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Hervé Dole
Publisher :
ISBN 13 :
Total Pages : 236 pages
Book Rating : 4.:/5 (492 download)
Download or read book L'EVOLUTION DES GALAXIES INFRAROUGES written by Hervé Dole and published by . This book was released on 2000 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt: CETTE THESE A POUR OBJET D'UNE PART L'ANALYSE DU RELEVE PROFOND FIRBACK EFFECTUE PAR L'INFRARED SPACE OBSERVATORY DANS L'INFRAROUGE LOINTAIN A 170 MICRONS DE LONGUEUR D'ONDE, QUI A POUR BUT D'ETUDIER LES GALAXIES CONTRIBUANT AU FOND EXTRAGALACTIQUE INFRAROUGE, ET D'AUTRE PART LA MODELISATION DE L'EVOLUTION DES GALAXIES DANS LE DOMAINE SPECTRAL S'ETENDANT DE L'INFRAROUGE MOYEN AU SUBMILLIMETRIQUE. LE RELEVE FIRBACK CONSISTE EN 3 CHAMPS (DEUX BOREAUX ET UN AUSTRAL) A HAUTE LATITUDE GALACTIQUE ET DE FAIBLE EMISSION D'AVANT-PLAN, COUVRANT UNE SURFACE TOTALE DE 4 DEGRES CARRES. J'EXPOSE TOUT D'ABORD LES TECHNIQUES DE REDUCTION, DE TRAITEMENT ET D'ETALONNAGE DES DONNEES COSMOLOGIQUES ISOPHOT. EN PARTICULIER, JE MONTRE QU'EN AYANT DETERMINE LE LOBE DE L'INSTRUMENT, L'EMISSION ETENDUE EST EN ACCORD ENTRE PHOT ET DIRBE. LES CARTES FINALES SONT CONSTRUITES, ET LE RELEVE EST LIMITE PAR LA CONFUSION (SIGMA = 40 MJY). JE PRESENTE ENSUITE LES TECHNIQUES D'EXTRACTION DES SOURCES ET DE SIMULATION POUR LA PHOTOMETRIE, QUI PERMETTENT DE CONSTRUIRE LE CATALOGUE FINAL DE 86 SOURCES, DE FLUX COMPRIS ENTRE 200 MJY (5 SIGMA) ET 2 JY. LE CATALOGUE COMPLEMENTAIRE REGROUPE 147 SOURCES DE FLUX COMPRIS ENTRE 120 ET 200 MJY. LES COMPTAGES DE GALAXIES PRESENTENT UN FORT EXCES PAR RAPPORT AUX MODELES SANS ET AVEC EVOLUTION, ET AUX OBSERVATIONS LOCALES : ILS NE SONT COMPATIBLES QU'AVEC DES SCENARII DE FORTE EVOLUTION. LES SOURCES REPRESENTENT 5% DU FOND EXTRAGALACTIQUE A 170 MICRONS. LES QUELQUES IDENTIFICATIONS A D'AUTRES LONGUEURS D'ONDE (EN PARTICULIER DANS LE DOMAINE VISIBLE ET SUBMILLIMETRIQUE) SUGGERENT QUE LES SOURCES FIRBACK SONT DES GALAXIES TRES LUMINEUSES DONT LA MAJORITE EST LOCALE, MAIS DONT UNE FRACTION NON NEGLIGEABLE SE SITUE A DES REDSHIFTS SUPERIEURS A 1. DANS LE BUT DE COMPRENDRE LA NATURE DES SOURCES FIRBACK ET D'APPORTER DES CONTRAINTES SUR L'EVOLUTION DES GALAXIES INFRAROUGES, J'AI DEVELOPPE UN MODELE PHENOMENOLOGIQUE D'EVOLUTION. EN UTILISANT LA FONCTION DE LUMINOSITE LOCALE OBSERVEE ET UNE FAMILLE DE SPECTRES DE GALAXIES STARBURST, IL EST POSSIBLE DE CONTRAINDRE L'EVOLUTION DE LA FONCTION DE LUMINOSITE EN AJUSTANT TOUTES LES DONNEES EXISTANTES : COMPTAGES PROFONDS A 15, 170 ET 850 MICRONS ET SPECTRE DU FOND EXTRAGALACTIQUE. JE MONTRE AINSI QUE L'EVOLUTION DES GALAXIES DANS LE DOMAINE COUVRANT L'INFRAROUGE MOYEN AU SUBMILLIMETRIQUE EST DOMINEE PAR UNE POPULATION DE GALAXIES INFRAROUGES ULTRA-LUMINEUSES, DONT LE PIC SE SITUE A L = 2.0 10 11 LUMINOSITES SOLAIRES. LES DISTRIBUTIONS EN REDSHIFT SONT EN ACCORD AVEC LES OBSERVATIONS. LE MODELE PERMET DE FAIRE DES PREDICTIONS POUR LES FUTURES OBSERVATIONS SPATIALES DE SIRTF, PLANCK ET FIRST.
Author : Melanie L. Anderson
Publisher :
ISBN 13 :
Total Pages : 68 pages
Book Rating : 4.X/5 (2 download)
Download or read book Study of the far infrared fadio correlation for an optically selected sample of spiral galaxies written by Melanie L. Anderson and published by . This book was released on 1990 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 1192 pages
Book Rating : 4.3/5 (91 download)
Download or read book INIS Atomindex written by and published by . This book was released on 1982 with total page 1192 pages. Available in PDF, EPUB and Kindle. Book excerpt:
