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Fig. 8


Single-dish spectra of G10.47+0.03 (left), SgrB2-N (central), and SgrB2-M (right). J = 9 (20 GHz) to 12 (35 GHz) were observed with the Effelsberg 100-m telescope, J = 19 (85 GHz) to 22 (113 GHz) with the IRAM 30-m telescope. Beam sizes vary between 20 and 37′′, so the whole flux is received by the telescope.

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