VLA maps of SgrB2-M. The 7 mm continuum emission is shown on the left, the integrated line map on the right (beams are depicted in the lower left). Contours denote 3 and 6σ levels of the naturally weighted continuum (white, left) and of the integrated line emission convolved to 0.25′′ resolution (black, right). The white crosses give the positions toward which the absorption spectra were obtained and the white boxes the area over which the emission spectra are integrated, shown in Fig. 1. The arrow denotes the direction along which the position-velocity plot of Fig. 7 was obtained. The map size is 4′′, about 0.15 pc.
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