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An internal velocity study of the Rosette NebulaEmission-line profiles of H-alpha were studied at about 700 points in the Rosette Nebula by using a multislit echelle spectrograph. Numerical analysis of the profiles indicates that variations in the line-of-sight velocity occur within the nebula, reaching about + or - 20 km/s in the inner regions. Evidence is presented that these highest velocities are more probably inward, favoring a model where the central cavity is due to a depletion resulting from rapid star formation
Document ID
19790050196
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Fountain, W. F.
(NASA Marshall Space Flight Center Huntsville, AL, United States)
Gary, G. A.
(NASA Marshall Space Flight Center Huntsville, AL, United States)
Odell, C. R.
(NASA Marshall Space Flight Center Huntsville, Ala., United States)
Date Acquired
August 9, 2013
Publication Date
May 1, 1979
Publication Information
Publication: Astrophysical Journal
Subject Category
Astrophysics
Accession Number
79A34209
Distribution Limits
Public
Copyright
Other

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