Fig. 6

Top panel: U-line integrated-intensity emission map over the line profile. The first contour is at 3σ and the levelstep at 1σ (where 1σ = 1.3 mJy beam−1 km s−1). The synthesized beam is shown in the bottom left corner. Positions of sources MMS-1, MMS-2, and MMS-3 along with that of the methanol peak are indicated along with that of the three main U-line emission peaks. Bottom panel: spectra of the U-line at 97 200.541 MHz taken in the direction of the main emission peaks.
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