Table 1: Observation parameters. The projection center of all the data matches the position of NRAO150: $\rm\alpha _{2000} = 03^h59^m29.747^s$, $\delta _{2000} = 50{}^\circ 57'50.16''$.

Molecule		 Transition Frequency Instrument Config. Beam PA Vel. resol. Int. time $T_{\rm sys}$ Noisea Obs. date
    GHz     arcsec $^\circ $ \ensuremath{~ \ensuremath{{\rm km~s^{-1}}}} h K K  

12CO		 J =1-0 115.271202 PdBI D $ 6.0 \times 5.5$ 82 0.2 3.3/12.5 230 0.20 Jul. 2005
12CO J =1-0 115.271202 PdBI C $ 2.7 \times 2.5$ 12 0.2 7.0/12.0 230 0.52 Dec. 2005
a The noise values quoted here are the noises at the mosaic phase center (Mosaic noise is inhomogeneous
due to primary beam correction; it steeply increases at the mosaic edges).

Molecule		 Transition Frequency Instrument # Pix. $F_{\rm eff}$ $B_{\rm eff}$ Resol. Resol. Int. timea $T_{\rm sys}$ Noiseb Obs. date
    GHz         arcsec \ensuremath{~ \ensuremath{{\rm km~s^{-1}}}} h K K  

12CO		 J =1-0 115.271202 30 m/AB100 2 0.95 0.75 22.5 0.20 2.4/3.6 240 0.26 Sep. 2005
12CO J =2-1 230.538000 30 m/AB230 2 0.91 0.52 22.5 0.20 2.4/3.6 320 0.16 Sep. 2005
a Two values are given for the integration time: the on-source time and the telescope time.
b Noise values estimated at the position of NRAO150.

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