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Table 1

Observed molecular transitions and rms of the respective maps.

ν Spectral E up rmsa
Transition (GHz) Resol. (K) (mJy beam-1)

(MHz) North South

CH3CN(60−50) 110.383 0.18 18.5 10 17
CH3CN(61−51) 110.381 0.18 25.7 10 17
CH3CN(62−52) 110.375 0.18 47.1 10 14
CH3CN(63−53) 110.364 0.18 82.9 10 14
H2CO(30,3−20,2)b 218.222 0.36 21.0 29 36
H2CO(32,2−22,1)b 218.476 0.36 68.1 19 30
H2CO(32,1−22,0) 218.760 0.36 68.1 23 34

Notes. 

(a)

For a spectral resolution of 0.5 km s-1;

(b)

rms values obtained after combining 30 m and PdBI data.

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