Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988mnras.235..805l&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 235, Dec. 1, 1988, p. 805-811. Research supported by NS
Astronomy and Astrophysics
Astronomy
5
Astronomical Spectroscopy, Infrared Astronomy Satellite, Supernova Remnants, Continuous Radiation, Infrared Spectroscopy, Molecular Clouds
Scientific paper
IRAS infrared imaging observations in four wavelengths bands at 12, 25, 60 and 100 microns were analyzed for emission from the supernova remnant OA184. The infrared emission in the 60- and 100-micron bands correlates very well with radio continuum maps, but no definite emission is seen from OA184 in the 12- or 25-micron wavebands. The measured fluxes were corrected for background diffuse emission and point source contributions to yield the infrared spectrum of the remnant. The infrared luminosity, the dust emission temperature, and dust mass are derived. Application of a model for shock heated dust yields the shock velocity and preshock density for the remnant. These derived parameters constrain OA184 to be just past the end of the adiabatic phase of evolution and indicate that its distance is about 2.6 kpc, closer than previously believed.
Leahy Denis A.
Marshall Charles R.
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