Fig. 1
Spectra toward selected positions in the GC in the metastable inversion transitions from (1, 1) to (6, 6) of NH3. The positions are indicated in the HCO+ integrated intensity map from Riquelme et al. (2010b). The GMLs found by Fukui et al. (2006) are indicated in blue. The positions that could not seen from Effelsberg are indicated with green crosses. As indicated in Table 1, our Disk 2 position corresponds to Sgr B2.
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