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Department of Physics and Astronomy Faculty Publications

2008

Radio continuum: ISM

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Radio Continuum Imaging Of The R Cra Star-Forming Region With The Atca, Olli Miettinen, S. Kontinen, J. Harju, James L. Higdon May 2008

Radio Continuum Imaging Of The R Cra Star-Forming Region With The Atca, Olli Miettinen, S. Kontinen, J. Harju, James L. Higdon

Department of Physics and Astronomy Faculty Publications

Aims. The aim of this study is to investigate the nature of radio sources associated with young stellar objects (YSOs) belonging to the R CrA cluster. By combining the centimetre radio data with the wealth of shorter wavelength data accumulated recently we wish to refine estimates of the evolutionary stages of the YSOs.

Methods. The region was imaged at 3, 6, and 20 cm using the Australia Telescope Compact Array. Fluxes and spectral indices for the brightest radio sources were derived from these observations. Some of the 3 and 6 cm data were obtained simultaneously, which is useful for reliable …