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CS observations of selected star-forming regions
Authors:J Buj  R Estalella  R López  G Anglada  P Planesas
Institution:(1) Department de Física de l'Atmosfera, Astronomia i Astrofisica, Universitat de Barcelona, Spain;(2) Grup d'Astrofisica, Societat Catalana de Física (IEC), Spain;(3) Centro Astronómico de Yebes, Instituto Geográfico Nacional, Spain
Abstract:Maps of the CS (J=1rarr0) emission at 49 GHz of L43 (RNO 91), NGC 2068 (HH 19-27) and L1524 (Haro 6-10) are presented. Physical parameters of these clouds are derived from the observations. The CS emission is compared with ammonia emission maps obtained with a similar angular resolution. Both CS and ammonia molecules are tracers of the high-density gas in molecular clouds. Thus, a similar distribution of the emission is expected. However, our observations show evidence of some remarkable morphological differences.
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