The earliest stages of massive clustered star formation : fragmentation of infrared dark clouds /: fragmentation of infrared dark clouds. ([2014])

• Record Type: Book
• Further Information: Note: Ke Wang.
• Authors: Wang, Ke
• Contents: Supervisor's Foreword; Acknowledgments; Contents; Acronyms; 1 Scientific Background; 1.1 Star Formation; 1.1.1 A Brief History; 1.1.2 Formation of Low-Mass, Isolated Stars; 1.1.3 Formation of High-Mass Stars in Clusters; 1.1.4 Questions Raised; 1.2 Targets and Observing Strategy; 1.2.1 Infrared Point Sources; 1.2.2 Infrared Dark Clouds; 1.2.3 Radio Interferometer; 1.3 Thesis Outline; References; 2 An Infrared Point Source Survey; 2.1 Introduction; 2.2 Sample; 2.3 Observations with KOSMA; 2.4 Results; 2.4.1 Survey; 2.4.2 Mapping; 2.5 Discussion; 2.5.1 The Line Width-Luminosity Relation 2.5.2 Core Masses and Line Widths2.6 Individual Analyses; 2.7 Conclusions; References; 3 The ``Dragon'' Nebula G28.34+0.06; 3.1 Introduction; 3.2 Observations; 3.2.1 Submillimeter Array; 3.2.2 Very Large Array; 3.3 Results; 3.3.1 Hierarchical Fragmentation ; 3.3.2 CO Outflows; 3.3.3 Ammonia Emission; 3.3.4 Maser Emission; 3.4 Discussion; 3.4.1 Massive Star Formation Through an Intermediate-Mass Stage; 3.4.2 Feedbacks from Star Formation: Outflow and Radiation; 3.4.3 Magnetic Fields and the Origin of the X-shaped Filamentary System; 3.5 Conclusions; References 4 The ``Snake'' Nebula G11.11 -- 0.124.1 Introduction; 4.1.1 Initial Fragmentation and Star Formation; 4.1.2 Targets: Dense Clumps in IRDC G11.11 0.12; 4.2 Observations; 4.2.1 Submillimeter Array; 4.2.2 Very Large Array; 4.3 Results; 4.3.1 Hierarchical Structure; 4.3.2 H2O and CH3OH Masers; 4.3.3 Protostellar Outflows; 4.3.4 Chemical Differentiation; 4.3.5 NH3 Emission and Temperature; 4.4 Analysis and Discussion; 4.4.1 Fragmentation Analysis; 4.4.2 NH3 Ortho/Para Ratio; 4.4.3 P1-SMA1: An Outflow/Disc System in a Proto-Binary?; 4.4.4 Evolutionary Sequence; 4.4.5 Condensation Mass Function 4.5 ConclusionsReferences; 5 The Infrared Dark Cloud G30.88+0.13; 5.1 Introduction; 5.2 Observations; 5.2.1 Very Large Array; 5.2.2 Green Bank 100m Telescope; 5.2.3 Submillimeter Array; 5.3 Results; 5.3.1 Dense Molecular Gas and Dust Continuum; 5.3.2 Two Cloud Components Along Line-of-Sight; 5.3.3 H2O Masers; 5.4 Discussion; 5.4.1 Association of Dust Peaks and H2O Masers with the NH3 Gas; 5.4.2 Nature of the C2 Clump: A Massive Protocluster in the Making; 5.4.3 Nature of the C1 Clump: A Massive Precluster Clump?; 5.4.4 Fragmentation and Massive Star Formation; 5.5 Conclusions; References 6 A New Evolutionary Picture6.1 Thesis Summary; 6.2 Evolutionary Sequence; 6.3 A New Picture; 6.4 Future: Importance of Filaments; References
• Publisher Details: Heidelberg : Springer
• Publication Date: 2014
• Copyright Date: 2015
• Extent: 1 online resource (xx, 145 pages), illustrations (some color)
• Subjects: 523.8; Stars -- Formation; Stars -- Formation; SCIENCE / Astronomy; Microwaves; Physics; Electronic books; Electronic books
• Languages: English
• ISBNs: 9783662449691; 3662449692; 3662449684; 9783662449684
• Related ISBNs: 9783662449684
• Notes: Note: Includes bibliographical references.; Note: Online resource; title from PDF title page (SpringerLink, viewed December 19, 2014).
• Access Rights: Legal Deposit; Only available on premises controlled by the deposit library and to one user at any one time; The Legal Deposit Libraries (Non-Print Works) Regulations (UK).
• Access Usage: Restricted: Printing from this resource is governed by The Legal Deposit Libraries (Non-Print Works) Regulations (UK) and UK copyright law currently in force.