MOLECULAR RADIO EMISSION FROM THE G34.26+0.15/34.24+0.13 COMPLEX
We report molecular line observations of the G34.26+0.15/34.24+0.13 complex, which contains a bright molecular core and a proto-B-star. ATCA observations show that both objects are closely associated with 6.7 GHz class II methanol masers. Methanol line series at 96, 157 and 241 GHz towards the protostar position were observed at SEST. Modelling of the methanol data shows that the molecular core embedding protostar is not greatly influenced by the outflow from the young stellar object. Molecular line mapping at Onsala reveals the presence of a cavity and two compact clumps to the southeast of the bright molecular core. The protostar is situated at the edge of one compact clump. It is very likely that the material outflowing from the protostar freely escapes towards the cavity. Comparison of the line profiles of different molecules shows substantial chemical inhomogeneity within the region.
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Document Type: Research Article
Astronomical Observatory, Ural State University, 620083 Ekaterinburg, Russia
School of Mathematics and Physics, University of Tasmania, Hobart, Tasmania 7001, Australia
Institute of Applied Physics, Nizhny Novgorod 603950, Russia
Onsala Space Observatory, 439 92 Onsala, Sweden
University of Illinois, 1002 W. Green Street, Urbana, Illinois 61801, USA
Publication date: 2003-02-01
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