NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-06-17 T23:20:48 PDT
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For refcode 2000A&A...353L..13B:
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Copyright by European Southern Observatory (ESO). Reproduced by permission
2000A&A...353L..13B SCUBA observations of NGC 6946. BIANCHI S., DAVIES J.I., ALTON P.B., GERIN M., CASOLI F. Received 4 October 1999 / Accepted 1 December 1999 Abstract: We present sub-millimetre images of the spiral galaxy NGC 6946 at 450 and 850 microns. The observations have been carried out using the scan/map imaging mode of the Sub-millimetre Common User Bolometer Array (SCUBA) at the James Clark Maxwell Telescope (JCMT). The comparison with a ^12^CO(2-1) line emission map from IRAM and with an U-band image, clearly shows that the 850 micron emission is associated with molecular gas and bright star-forming regions, tracing the spiral arms. We place an upper limit of 0.7 for the V-band optical depth of dust associated with a diffuse atomic component. Keywords: ISM: dust, extinction - galaxies: individual: NGC 6946 - galaxies: spiral - galaxies: star clusters - galaxies: structure
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