Fig. 1
Integrated intensity maps of the 13CS 2 →1, 34 SO 23 → 12, CCS 87 → 76, and H2S 11,0 → 10,1 maps as observed with the 30 m IRAM telescope. The beam of the 30 m telescope at 3 mm (HPBW ~ 29′′) is indicated by two circles centred on the positions targeted within the Whisper spectral survey. Line contours depict 30–90 by 15% levels with respect to the emission peak.
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