Molecular outflows associated with a flux-limited sample of bright far-infrared sources

Astronomy and Astrophysics – Astronomy

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Far Infrared Radiation, Infrared Sources (Astronomy), Molecular Clouds, Star Formation, Astronomical Photometry, Carbon Monoxide, Energy Dissipation, Infrared Astronomy Satellite, Stellar Winds

Scientific paper

Results of a systematic search for high-velocity CO emission from a sample of bright FIR sources from the IRAS Point Source Catalog are presented. This extends the original survey to a complete flux-limited sample. Results of CO mapping toward 22 FIR sources are given, showing that all of the sources are associated with strong CO emission that is peaked close to the FIR sources. Based on their IR colors and positional coincidence with strong CO emission, it is suggested that the sample is composed entirely of luminous, young stellar objects. New detections of molecular outflows were made toward six of the FIR sources. These outflows are relatively energetic, with typical mechanical energies of 10 to the 45th ergs.

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