An Atomic and Molecular Study of the Interstellar Medium Around the SNR RCW 103

Details An Atomic and Molecular Study of the Interstellar Medium Around the SNR RCW 103 An Atomic and Molecular Study of the Interstellar Medium Around the SNR RCW 103

2006-03-22

arxiv.org/abs/astro-ph/0603611v1

Astronomy and Astrophysics

Astrophysics

accepted to be published in Publications of the Astronomical Society of Australia

Scientific paper

10.1071/AS06003

We report on the detection of HCO+ and 12CO emission in the rotational transition J=1-0 in the vicinity of the shock front at the southern border of the supernova remnant RCW 103, where previous infrared observations suggest an interaction with a molecular cloud. The observations were carried out with the Australian Millimeter Radiotelescope at Mopra. We observed a depletion of HCO+ behind the supernova shock front. In addition, we studied the interstellar medium over an extended region towards RCW 103 based on archival 21 cm HI line observations from the Australia Telescope Compact Array (ATCA) and the Parkes Telescope. No atomic gas is observed in emission in coincidence with the molecular feature. This absence is interpreted in terms of self absorption processes.

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