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Title:
Sensitive OH observations towards 16 supernova remnants
Authors:
Green, D. A.
Affiliation:
AA(Dominion Radio Astrophysical Observatory, Penticton, Canada)
Publication:
Royal Astronomical Society, Monthly Notices (ISSN 0035-8711), vol. 238, May 15, 1989, p. 737-751. (MNRAS Homepage)
Publication Date:
05/1989
Category:
Astrophysics
Origin:
STI
NASA/STI Keywords:
HYDROXYL EMISSION, LINE SPECTRA, MOLECULAR CLOUDS, RADIO TELESCOPES, SUPERNOVA REMNANTS, RADIO ASTRONOMY, SPACE OBSERVATIONS (FROM EARTH)
Bibliographic Code:
1989MNRAS.238..737G

Abstract

Sensitive observations made toward 16 supernova remnants in the 1.667-GHz OH line with the DRAO 26-m radio telescope are presented. These observations were made in a search for broad, asymmetric absorption features, such as that seen toward G189.1 + 3.0 (IC443), in order to identify remnants which are interacting with molecular clouds and producing shock-excited species. Absorption by shocked OH is indicated in the cases of G33.6 + 0.1 and G84.2 - 0.8. Useful constraints on distances to several remnants are also derived.

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