Table 3.
Properties of the PdBI only data set.
| Native resolution |
Characteristics at 4″ resolution |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Beam size | PA | Iline | Tpeak | Noise | S/N | Ratios with | ||||
| Molecules | [″] | [°] | [K km s−1] | [K] | [K km s−1] | CO(2−1) | CO(1−0) | HCN | ΣSFR | |
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) | (10) | (11) |
| 12CO (1−0) | 1.36 × 1.11 | 26 | 748.04 | 8.80 | 2.85 | 262.72 | 2.52 | 1.00 | 13.04 | 8.31E+01 |
| 12CO (2−1) | 0.40 × 0.29 | 91 | 296.40 | 4.75 | 2.20 | 134.56 | 1.00 | 0.40 | 5.17 | 3.29E+01 |
| HCN (1−0) | 2.61 × 2.12 | 97 | 57.35 | 0.62 | 0.71 | 80.65 | 0.19 | 0.08 | 1.00 | 6.37E+00 |
| HCO+ (1−0) | 3.45 × 2.83 | −101 | 47.94 | 0.53 | 0.52 | 92.43 | 0.16 | 0.06 | 0.84 | 5.31E+00 |
| HNC (1−0) | 2.45 × 2.00 | 62 | 22.06 | 0.32 | 0.62 | 35.66 | 0.07 | 0.03 | 0.38 | 2.45E+00 |
| CS (2−1) | 1.89 × 1.60 | 97 | 29.39 | 0.40 | 0.72 | 40.57 | 0.01 | 0.04 | 0.51 | 3.26E+00 |
| CS (3−2) | 1.98 × 1.76 | −180 | 21.07 | 0.30 | 0.28 | 76.00 | 0.07 | 0.03 | 0.37 | 2.34E+00 |
| N2H+ (1−0) | 2.39 × 1.96 | 65 | 6.43 | 0.21 | 0.49 | 13.02 | 0.02 | 0.01 | 0.11 | 7.14E−01 |
| HC3N (10−9) | 2.41 × 1.98 | 64 | 4.06 | 0.09 | 0.68 | 5.93 | 0.01 | 0.01 | 0.07 | 4.51E−01 |
| HC3N (16−15) | 2.02 × 1.77 | 339 | 2.25 | 0.08 | 0.39 | 5.72 | 0.01 | 0.01 | 0.04 | 2.50E−01 |
| CH3OH (2k−1k) | 1.89 × 1.59 | 98 | 7.15 | 0.27 | 0.66 | 10.77 | 0.02 | 0.01 | 0.12 | 7.95E−01 |
| CH3OH (3k−2k) | 1.98 × 1.76 | −17 | 6.12 | 0.28 | 0.55 | 11.09 | 0.02 | 0.01 | 0.11 | 6.80E−01 |
| C2H (1−0), 3/2−1/2 | 3.54 × 2.84 | 77 | 12.78 | 0.14 | 0.72 | 17.76 | 0.04 | 0.02 | 0.22 | 1.42E+00 |
| H2CO (2−1) | 1.99 × 1.75 | 343 | 2.29 | 0.08 | 0.35 | 6.61 | 0.01 | 0.01 | 0.04 | 2.54E−01 |
Notes. We arranged the PdBI only data set as in Fig. 3 and show them at their native and best-common 4″ ≈ 150 pc spatial resolution. Column (1) Molecules and their transitions. (2) and (3) Characteristics of the native resolution observation. (4)−(11) We quote the mean for the central sight line, i.e. aperture of 4″ ≈ 150 pc. (4) Integrated intensity. (5) Peak temperature of the spectrum. (6) Root mean square (rms) noise. (7) Signal to noise. (8)−(11) Ratios of molecular species with CO, HCN and ΣSFR. The Iline/ΣSFR ratio results in units of K km s−1/(M⊙ yr−1 kpc−2).
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