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A heuristic criterion for instability to fragmentation in rotating, interstellar cloudsA heuristic criterion, based on linear perturbation analysis, is applied to the initial growth of density perturbations in isothermal or adiabatic gas clouds, with initially uniform density and uniform rotation. The heuristic criterion is shown to be consistent with the available results from numerical calculations of cloud collapse. The criterion predicts that perturbations varying as cos(m-phi) will be most likely to grow when m is small, unless the cloud is nearly pressureless.
Document ID
19820058108
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Boss, A. P.
(NASA Ames Research Center Space Sciences Div., Moffett Field, CA; Carnegie Institution of Washington, Washington, DC, United States)
Date Acquired
August 10, 2013
Publication Date
August 1, 1982
Publication Information
Publication: Astrophysical Journal
Subject Category
Astrophysics
Accession Number
82A41643
Distribution Limits
Public
Copyright
Other

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