Fig. 3
Folded averaged spectra of the JK (10–00) transition of NH3 at 572.498 GHz obtained with the HRS (blue line) and WBS (red line) on UT 1.5 September 2010. The vertical axis is the calibrated main-beam brightness temperature, the upper horizontal axis shows the upper sideband frequency, and the lower horizontal axis shows the Doppler velocity with respect to the nucleus rest frame.
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