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Table 3.

Best sensitivity vs cleanest continuum comparison.

Region Band σMAD(bsens) σMAD(cleanest) fBW, cleanest Speak(bsens) Speak(cleanest) Requested σ σbsens/σreq
(mJy beam−1) (mJy beam−1) (mJy beam−1) (mJy beam−1) (mJy beam−1)
G008.67 B3 0.093 0.14 0.67 0.78 94 99 0.95 0.090 1.0
G008.67 B6 0.20 0.37 0.55 0.71 210 210 1.0 0.30 0.68
G010.62 B3 0.059 0.059 0.99 0.89 290 290 1.0 0.030 2.0
G010.62 B6 0.081 0.085 0.95 0.72 380 380 1.0 0.10 0.81
G012.80 B3 0.24 0.22 1.1 0.88 860 830 1.0 0.18 1.3
G012.80 B6 0.78 0.74 1.1 0.84 400 400 1.0 0.60 1.3
G327.29 B3 0.073 0.13 0.56 0.35 32 24 1.4 0.090 0.82
G327.29 B6 0.32 0.36 0.90 0.52 950 830 1.1 0.30 1.1
G328.25 B3 0.076 0.091 0.84 0.80 15 12 1.2 0.090 0.85
G328.25 B6 0.29 0.37 0.78 0.47 200 150 1.3 0.30 0.97
G333.60 B3 0.075 0.090 0.83 0.84 220 220 1.0 0.060 1.2
G333.60 B6 0.12 0.11 1.1 0.80 230 240 0.94 0.20 0.61
G337.92 B3 0.049 0.065 0.75 0.63 19 17 1.1 0.060 0.81
G337.92 B6 0.22 0.22 0.99 0.47 340 280 1.2 0.20 1.1
G338.93 B3 0.047 0.071 0.65 0.51 13 11 1.2 0.060 0.78
G338.93 B6 0.16 0.17 0.93 0.75 160 150 1.1 0.20 0.81
G351.77 B3 0.12 0.25 0.46 0.36 110 86 1.2 0.18 0.65
G351.77 B6 0.31 0.42 0.73 0.44 660 540 1.2 0.60 0.51
G353.41 B3 0.17 0.19 0.92 0.86 190 170 1.1 0.18 0.96
G353.41 B6 0.40 0.42 0.96 0.92 110 110 1.0 0.60 0.67
W43-MM1 B3 0.031 0.049 0.63 0.36 18 14 1.3 0.030 1.0
W43-MM1 B6 0.18 0.20 0.90 0.45 370 360 1.0 0.10 1.8
W43-MM2 B3 0.026 0.038 0.67 0.54 5.0 3.6 1.4 0.030 0.85
W43-MM2 B6 0.062 0.12 0.51 0.48 200 150 1.3 0.10 0.62
W43-MM3 B3 0.029 0.032 0.91 0.87 6.1 6.0 1.0 0.030 0.96
W43-MM3 B6 0.062 0.072 0.87 0.92 57 56 1.0 0.10 0.62
W51-E B3 0.042 0.061 0.69 0.70 400 400 1.0 0.030 1.4
W51-E B6 0.12 0.19 0.64 0.63 380 400 0.93 0.10 1.2
W51-IRS2 B3 0.057 0.062 0.92 0.74 80 79 1.0 0.030 1.9
W51-IRS2 B6 0.075 0.095 0.80 0.58 910 880 1.0 0.10 0.75

Notes. Like Table 2, but comparing the cleanest and bsens data. σMAD(bsens) and σMAD(cleanest) are the standard deviation error estimates computed from a signal-free region in the map using the Median Absolute Deviation as a robust estimator. Their ratio shows that the broader included bandwidth increases sensitivity; fBW, cleanest specifies the fraction of the total bandwidth that was incorporated into the cleanest images. Speak is the peak intensity in the images.

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