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Title: Radio continuum structure of the orion nebula
Authors: Subrahmanyan, Ravi
Goss, W.M.
Malin, David F.
Keywords: ISM: H II Regions
ISM: individual
Radio Continuum,
ISM: Reflection Nebulae
Issue Date: Jan-2001
Publisher: The University of Chicago Press for the American Astronomical Society
Citation: Astrophysical Journal, 2001, Vol.121., p399-407
Abstract: We have imaged the large-scale radio continuum structure in the Orion region with the Very Large Array at 330 MHz. Arcminute-resolution morphology of the extended emission in the H II regions M42 and M43 (NGC 1976 and NGC 1982) and in the NGC 1973-75-77 nebulosity to the north are presented. A low surface brightness thermal radio halo is detected in the H II region M42: comparison with an optical photograph indicates that the radio emission distinguishes optical emission structures from reflection nebulosities. In NGC 1977 we have discovered a compact, steep-spectrum radio source coincident with a bright optical rim.
Description: Restricted Access.
ISSN: 0004-637X
1538-4357 (Online)
Alternative Location:
Copyright: 2001 American Astronomical Society
Appears in Collections:Research Papers (A&A)

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