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Author : Paul T. P. Ho
Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.:/5 (375 download)
Download or read book A New Dynamical Model for the Orion Molecular Cloud written by Paul T. P. Ho and published by . This book was released on 1978 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jennifer Janean Wiseman
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (244 download)
Download or read book Large Scale Structure and Kinematics in Orion Molecular Cloud 1 written by Jennifer Janean Wiseman and published by . This book was released on 1991 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Di Li
Publisher :
ISBN 13 :
Total Pages : 368 pages
Book Rating : 4.:/5 (52 download)
Download or read book Massive Cores in the Orion Molecular Cloud written by Di Li and published by . This book was released on 2002 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jan Orkisz
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (18 download)
Download or read book Understanding the Structure of Molecular Clouds written by Jan Orkisz and published by . This book was released on 2018 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The new generation of wide-bandwidth high-resolution receivers turns almost any radio observation into a spectral survey. In the case of wide-field imaging of the interstellar medium, such a wealth of data provides new diagnostic tools, but also poses new challenges in terms of data processing and analysis. The ORION-B project aims at observing 5 square degrees of the OB molecular cloud, or about half of the cloud's surface, over the entire 3mm band. The emission of tens of molecular tracers has been mapped, including CO isotopologues, HCO, HCN, HNC, N2H+, methanol, SO, CN...Having access to spatially resolved maps from many molecular species enables us to identify the best tracers of the gas density and illumination. Machine learning techniques have also been applied to these maps, in order to segment the molecular cloud into typical regions based on their molecular emission, and to quantify the most meaningful correlations of different molecular tracers with each other and with physical quantities such as density or dust temperature.The wide-field coverage, together with the spatial and spectral resolution, also allows to characterize statistically the kinematics and dynamics of the gas. The amount of momentum in the compressive and solenoidal (rotational) modes of turbulence are retrieved, showing that the cloud is dominated by solenoidal motions, with the compressive modes being concentrated in two star-forming regions. This result is in line with the overall very low star formation efficiency of the cloud, and highlights the role of compressive forcing in the star formation process.The numerous filaments identified in the molecular cloud also prove to have rather low densities, and are very stable against gravitational collapse. Most filaments are starless, but they show signs of longitudinal and radial fragmentation, which indicates that star formation might occur later on.
Author : Reinhard Genzel
Publisher :
ISBN 13 :
Total Pages : 51 pages
Book Rating : 4.:/5 (18 download)
Download or read book The Orion Molecular Cloud and Star Formin Region written by Reinhard Genzel and published by . This book was released on 1988 with total page 51 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Andreas Heithausen
Publisher :
ISBN 13 :
Total Pages : 68 pages
Book Rating : 4.:/5 (17 download)
Download or read book On the Structure and Dynamics of Non Star Forming Molecular Clouds written by Andreas Heithausen and published by . This book was released on 1999 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 4 pages
Book Rating : 4.:/5 (757 download)
Download or read book Small Scale Clumping in the Orion Molecular Cloud written by and published by . This book was released on 1981 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 23 pages
Book Rating : 4.:/5 (596 download)
Download or read book The Orion Molecular Cloud OMC 1 and OMC 2 Mapped in the Far-IR Fine Structure Line Emission of C+ and O 0 written by and published by . This book was released on 1996 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : David Loren Gilden
Publisher :
ISBN 13 :
Total Pages : 1028 pages
Book Rating : 4.:/5 (981 download)
Download or read book Dynamical evolution of substructure in molecular clouds written by David Loren Gilden and published by . This book was released on 1982 with total page 1028 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Maiken Gustafsson
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (474 download)
Download or read book Velocities and Structures in the Orion Molecular Cloud written by Maiken Gustafsson and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : International Astronomical Union. Symposium
Publisher : Springer Science & Business Media
ISBN 13 :
Total Pages : 608 pages
Book Rating : 4.3/5 (91 download)
Download or read book Fragmentation of Molecular Clouds and Star Formation written by International Astronomical Union. Symposium and published by Springer Science & Business Media. This book was released on 1991 with total page 608 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Vincent Mannings
Publisher :
ISBN 13 :
Total Pages : 1470 pages
Book Rating : 4.3/5 (91 download)
Download or read book Protostars and Planets IV written by Vincent Mannings and published by . This book was released on 2000 with total page 1470 pages. Available in PDF, EPUB and Kindle. Book excerpt: Click here for the online version of this book! This title, out of print in 2008, is now available free of charge, in it's entirety, online through the University of Arizona Press! Both a textbook and a status report for every facet of research into the formation of stars and planets, Protostars and Planets IV brings together 167 authors who report on the most significant advances in the field since the publication of the previous volume in 1993. Protostars and Planets IV reflects improvements in observational techniques and the availability of new facilities such as the Infrared Space Observatory, the refurbished Hubble Space Telescope, and the 10-m Keck telescopes. Advances in computer technology and modeling methods have benefited theoretical studies of molecular clouds, star formation, and jets and disks, while recent analyses of meteorites yield important insights into conditions and processes within our Sun's early protoplanetary disk. The 49 chapters describe context and progress for observational and theoretical studies of the structure, chemistry, and dynamics of molecular clouds; the collapse of cores and the formation of protostars; the formation and properties of young binary stars; the properties of winds, jets, and molecular outflows from young stellar objects; the evolution of circumstellar envelopes and disks; grain growth in disks and the formation of planets; and the properties of the early Solar nebula. Protostars and Planets IV is also the first book to include chapters describing the discoveries of extrasolar planets, brown dwarfs, and Edgeworth-Kuiper Belt objects, and the first to include high-resolution optical and near-infrared images of protoplanetary disks. Protostars and Planets IV is an unsurpassed reference not only for established researchers but also for younger scientists whose imagination and work will lead to tomorrow's discoveries.
Author : S. Böhme
Publisher : Springer Science & Business Media
ISBN 13 : 3662123134
Total Pages : 845 pages
Book Rating : 4.6/5 (621 download)
Download or read book Literature 1978, Part 1 written by S. Böhme and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 845 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 520 pages
Book Rating : 4.:/5 (319 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1991 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 582 pages
Book Rating : 4.3/5 (91 download)
Download or read book Conference Papers Index written by and published by . This book was released on 1979 with total page 582 pages. Available in PDF, EPUB and Kindle. Book excerpt: Monthly. Papers presented at recent meeting held all over the world by scientific, technical, engineering and medical groups. Sources are meeting programs and abstract publications, as well as questionnaires. Arranged under 17 subject sections, 7 of direct interest to the life scientist. Full programs of meetings listed under sections. Entry gives citation number, paper title, name, mailing address, and any ordering number assigned. Quarterly and annual indexes to subjects, authors, and programs (not available in monthly issues).
Author : National Science Foundation (U.S.)
Publisher :
ISBN 13 :
Total Pages : 488 pages
Book Rating : 4.F/5 ( download)
Download or read book Summaries of Projects Completed written by National Science Foundation (U.S.) and published by . This book was released on with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Siegfried Böhme
Publisher : Springer Science & Business Media
ISBN 13 : 3662123169
Total Pages : 882 pages
Book Rating : 4.6/5 (621 download)
Download or read book Literature 1979, Part 1 written by Siegfried Böhme and published by Springer Science & Business Media. This book was released on 2013-04-18 with total page 882 pages. Available in PDF, EPUB and Kindle. Book excerpt:
