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On the origin of 'dividing lines' for late-type giants and supergiantsWe show how a change in the nature of the stellar dyanmo can lead to a transition in the topological character of stellar magnetic fields of evolved stars, from being mainly closed on the blueward side of the giant tracks in the Hertzsprung-Russell (H-R) diagram to being mainly open on their redward side. If such a topological transition occurs, then these stars naturally segregate into two classes: those having hot coronae on the blueward side, and those having massive cool winds on the redward side, thus leading naturally to the so-called dividing lines.
Document ID
19950044535
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Rosner, R.
(University of Chicago, Chicago, IL United States)
Musielak, Z. E.
(University of Alabama, Huntsville, AL United States)
Cattaneo, F.
(University of Chicago, Chicago, IL United States)
Moore, R. L.
(NASA Marshall Space Flight Center Huntsville, AL, United States)
Suess, S. T.
(NASA Marshall Space Flight Center Huntsville, AL, United States)
Date Acquired
August 16, 2013
Publication Date
March 20, 1995
Publication Information
Publication: Astrophysical Journal, Part 2 - Letters
Volume: 442
Issue: 1
ISSN: 0004-637X
Subject Category
Astronomy
Accession Number
95A76134
Funding Number(s)
CONTRACT_GRANT: NSF INT-90-16514
CONTRACT_GRANT: NAGW-2933
Distribution Limits
Public
Copyright
Other

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