Table 1
Line parameters.
| Spectral line | Frequency | HPBW | η mb | V lsr | T peak | FWHM | ∫Tmb dV |
| [GHz] | [″] | [km s-1] | [K] | [km s-1] | [K km s-1] | ||
|
|
|||||||
| C18O(5−4) | 548.8437 | 39.5 | 0.76 | −6.93 ± 0.01 | 10.3 ± 0.1 | 5.00 ± 0.01 | 55.0 ± 8 |
| C18O(6−5) | 658.5683 | 32.4 | 0.75 | −6.84 ± 0.01 | 9.1 ± 0.1 | 4.93 ± 0.01 | 48.0 ± 8 |
| C18O(7−6) | 768.2687 | 27.8 | 0.75 | −6.67 ± 0.03 | 7.2 ± 0.3 | 5.00 ± 0.06 | 38.4 ± 6 |
| C18O(8−7) | 877.9416 | 24.4 | 0.75 | −6.70 ± 0.01 | 4.9 ± 0.1 | 4.78 ± 0.03 | 25.1 ± 4 |
| C18O(9−8) | 987.5840 | 21.5 | 0.72 | −7.16 ± 0.04 | 3.4 ± 0.2 | 5.40 ± 0.1 | 19.4 ± 3 |
| C18O(10−9) | 1097.1885 | 19.4 | 0.65 | −7.02 ± 0.06 | 2.5 ± 0.2 | 4.68 ± 0.1 | 12.3 ± 2 |
| C18O(11−10) | 1206.7538 | 17.7 | 0.66 | −7.02 ± 0.3 | 1.8 ± 0.4 | 3.05 ± 0.6 | 5.7 ± 1 |
| C17O(5−4) | 561.7251 | 38.6 | 0.75 | −6.56 ± 0.01 | 4.3 ± 0.1 | 4.64 ± 0.03 | 21.0 ± 3 |
| C17O(6−5) | 674.0249 | 31.8 | 0.75 | −6.97 ± 0.02 | 3.2 ± 0.1 | 5.28 ± 0.06 | 17.9 ± 3 |
| C17O(7−6) | 786.3005 | 27.1 | 0.75 | −7.55 ± 0.04 | 2.5 ± 0.1 | 6.40 ± 0.1 | 16.7 ± 3 |
| C17O(8−7) | 898.5431 | 23.8 | 0.74 | −6.77 ± 0.06 | 1.6 ± 0.1 | 4.92 ± 0.2 | 8.4 ± 1 |
| C17O(9−8) | 1010.7540 | 21.1 | 0.71 | −6.67 ± 0.3 | 1.3 ± 0.2 | 6.41 ± 0.03 | 8.8 ± 1 |
| HCO+(6−5) | 535.0745 | 40.4 | 0.76 | −7.25 ± 0.02 | 8.3 ± 0.1 | 6.10 ± 0.01 | 53.8 ± 8 |
| HCO+(7−6) | 624.2232 | 34.3 | 0.75 | −7.16 ± 0.03 | 6.9 ± 0.2 | 6.00 ± 0.07 | 44.2 ± 7 |
| HCO+(8−7) | 713.3584 | 30.1 | 0.75 | −7.22 ± 0.02 | 4.1 ± 0.1 | 6.73 ± 0.05 | 29.6 ± 4 |
| HCO+(9−8) | 802.4776 | 26.4 | 0.75 | −7.24 ± 0.07 | 2.7 ± 0.2 | 6.45 ± 0.2 | 18.7 ± 3 |
| HCO+(10−9) | 891.5792 | 24.0 | 0.74 | −7.36 ± 0.04 | 2.4 ± 0.1 | 6.92 ± 0.09 | 17.5 ± 3 |
| HCO+(11−10) | 980.6622 | 21.7 | 0.73 | −7.86 ± 0.08 | 1.8 ± 0.1 | 6.20 ± 0.2 | 12.0 ± 2 |
| HCO+(12−11) | 1069.7219 | 19.9 | 0.67 | −7.82 ± 0.2 | 1.3 ± 0.2 | 5.94 ± 0.4 | 8.5 ± 1 |
| H13CO+(6−5) | 520.4728 | 41.5 | 0.76 | −7.44 ± 0.04 | 0.5 ± 0.1 | 6.44 ± 0.1 | 3.3 ± 0.5 |
| H13CO+(7−6) | 607.1893 | 35.5 | 0.75 | −7.26 ± 0.1 | 0.4 ± 0.1 | 4.17 ± 0.3 | 1.6 ± 0.3 |
| H13CO+(8−7) | 693.8924 | 30.9 | 0.75 | −6.98 ± 0.3 | 0.2 ± 0.1 | 3.04 ± 0.6 | 0.6 ± 0.1 |
| N2H+(6−5) | 558.9808 | 38.8 | 0.76 | −7.69 ± 0.06 | 3.3 ± 0.2 | 4.58 ± 0.1 | 16.3 ± 3 |
| N2H+(7−6) | 652.1131 | 32.7 | 0.75 | −8.07 ± 0.04 | 1.6 ± 0.1 | 4.76 ± 0.09 | 8.3 ± 1 |
| N2H+(8−7) | 745.2301 | 28.8 | 0.75 | −8.15 ± 0.09 | 0.9 ± 0.1 | 4.30 ± 0.2 | 4.0 ± 0.6 |
| N2H+(9−8) | 838.3306 | 25.5 | 0.75 | −8.36 ± 0.3 | 0.4 ± 0.1 | 4.37 ± 0.6 | 1.7 ± 0.3 |
Notes. For each transition, we report the half-power beamwidth (HPBW), main beam efficiency (ηmb), LSR velocity (Vlsr), peak intensity (Tpeak), full-width half-maximum (FWHM), and integrated intensity (∫Tmb dV). All intensity values are in units of Tmb [K]. The peak intensity error only includes the statistical error. The integrated intensity error includes the statistical and calibration errors (see Sect. 4).
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