A relationship between SNR G109.1-1.0 and the molecular cloud of Sh2-152

Astronomy and Astrophysics – Astronomy

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Molecular Absorption, Molecular Clouds, Supernova Remnants, X Ray Sources, X Ray Spectra, Astronomical Maps, Brightness Temperature, Carbon Monoxide, Emission Spectra, Spectrum Analysis

Scientific paper

Recent observations of the complex Sh2-147/Sh2-153 in the molecular line (C-13)O (J = 1-0) carried out with the newly developed POM telescope of the Bordeaux Observatory are reported. The results are compared with those of Israel (1980) in (C-12)O. Several lines of evidence suggest a physical association of SNR G109.1-1.0 and the X-ray source GF2259+586 with the molecular cloud of Sh2-152, as it has already been observed, for example, for IC443 and the Cygnus Loop. It is noted that in the absence of observational data on the X-ray spectrum, it cannot be firmly concluded that the dissymmetrical X-ray structure is due mainly to molecular absorption.

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