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Early stages of star formation

Andre, Philippe, Hennebelle, Patrick and Peretto, Nicolas 2008. Early stages of star formation. Astrophysics and Space Science 313 (1-3) , pp. 29-34. 10.1007/s10509-007-9601-x

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Abstract

The study of the earliest stages of star formation in molecular clouds is one of the fields that should benefit most from ALMA. Improving our understanding of these deeply embedded stages is crucial to gain insight into the origin of stellar masses and binary systems. While the use of large single-dish (sub)millimeter radiotelescopes and existing interferometers has led to good progress on the overall density structure of isolated prestellar cores and young protostars, many questions remain open concerning, e.g., their fragmentation properties and detailed kinematics. Furthermore, the classical paradigm for the formation of single low-mass stars in well-separated, magnetized prestellar cores has been challenged on the grounds that most young stars actually belong to multiple systems and/or coherent clusters. A new paradigm based on supersonic turbulence has emerged which emphasizes the role of dynamical interactions between individual (proto)stars in cluster-forming clumps. The debate is far from settled and ALMA will greatly help to discriminate between these two paradigms.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Subjects: Q Science > QB Astronomy
Uncontrolled Keywords: Stars: formation; Stars: low-mass; Brown dwarfs; Stars: binaries; ISM: structure
Publisher: Springer
ISSN: 0004-640X
Last Modified: 04 Jun 2017 06:05
URI: http://orca-mwe.cf.ac.uk/id/eprint/56281

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