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A multiwavelength investigation of the supernova remnant IC 443Multiwavelength observations of the supernova remnant IC 443 at radio, infrared, optical, ultraviolet, and X-ray wavelengths are presented. This morphological study of IC 443 presents a detailed picture of an adolescent supernova remnant in a multiphase interstellar medium. Radio observations show that better than 80 percent of the continuum emission at 18 cm is in a large-scale (greater than 18 arcmin) component. Decomposition of the infrared data shows that radiatively heated dust, shocked blackbody dust emission, and infrared line emission are all important components of the observed IRAS fluxes. The morphology of the IC 443 region is consistent with a supernova blast in an interstellar medium with a nonuniform distribution of clouds. The bright northeast rim and the great extent of the remnant to the southwest are most easily explained by a cloud filling factor which is greatest in the northeast and falls off toward the southwest.
Document ID
19870037413
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Mufson, S. L.
(Indiana Univ. Bloomington, IN, United States)
Mccollough, M. L.
(Indiana University Bloomington, United States)
Dickel, J. R.
(Illinois, University Urbana; Los Alamos National Laboratory, NM, United States)
Petre, R.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
White, R.
(Applied Research Corp. Landover, MD, United States)
Date Acquired
August 13, 2013
Publication Date
December 1, 1986
Publication Information
Publication: Astronomical Journal
Volume: 92
ISSN: 0004-6256
Subject Category
Astrophysics
Accession Number
87A24687
Funding Number(s)
CONTRACT_GRANT: NAG8-540
CONTRACT_GRANT: NAG8-472
Distribution Limits
Public
Copyright
Other

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