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

Published online by Cambridge University Press:  05 March 2013

Sergio A. Paron ,
Estela M. Reynoso ,
Cormac Purcell ,
Gloria M. Dubner  and
Anne Green
Sergio A. Paron*
Affiliation:
Instituto de Astronomía y Física del Espacio (IAFE), 1428 Buenos Aires, Argentina
Estela M. Reynoso
Affiliation:
Instituto de Astronomía y Física del Espacio (IAFE), 1428 Buenos Aires, Argentina
Cormac Purcell
Affiliation:
Department of Astrophysics and Optics, University of New South Wales, Sydney NSW 2052, Australia
Gloria M. Dubner
Affiliation:
Instituto de Astronomía y Física del Espacio (IAFE), 1428 Buenos Aires, Argentina
Anne Green
Affiliation:
School of Physics, University of Sydney, Sydney NSW 2006, Australia
*
DCorresponding author. E-mail: sparon@iafe.uba.ar
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Abstract

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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 λ 21 cm Hı line observations from the Australia Telescope Compact Array (ATCA) and the Parkes Telescope. No atomic gas was observed in emission in coincidence with the molecular feature. This absence was interpreted in terms of self-absorption processes.

Keywords

ISM: moleculesISM: cloudsISM: supernova remnantssupernova remnants: individual (G332.4-0.4, RCW 103)
Type
Research Article
Information
Publications of the Astronomical Society of Australia , Volume 23 , Issue 2 , 2006 , pp. 69 - 75
Copyright
Copyright © Astronomical Society of Australia 2006

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