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Table 1

Observation parameters.

Species Frequencya F eff B eff f HPBW Δvres g rms in Tmb T sys Dates Dataseth
(GHz) (′′) (km s-1) (K) (K)
N2H+(1−0) 93.1737637b 0.95 0.76 26.5 0.021 0.121 155−176 16.08.2004 066-04
N2H+(1−0) 93.1737637 0.92 0.78 26.5 0.063 0.089 114−205 11−16.07.2000 051-00
N2H+(1−0) 93.1737637 0.92 0.73 26.5 0.063 0.174 173−216 26−28.06.1998 188-97
N2H+(3−2) 279.511832b 0.87 0.46 8.8 0.021 652−2739 12−13.08.2004 066-04
N2D+(1−0) 77.1096162b 0.95 0.76 32.1 0.025 0.103 167−216 12−17.08.2004 066-04
N2D+(2−1) 154.2171805c 0.94 0.64 16.3 0.013 0.225 203−627 12−15.08.2004 066-04
N2D+(3−2) 231.3219119c 0.90 0.52 10.8 0.025 244−710 16.08.2004 066-04
C17O(1−0) 112.358988d 0.95 0.78 22.0 0.017 0.218 243−320 16.08.2004 066-04
C17O(1−0) 112.358988 0.92 0.78 22.0 0.052 0.143 184−289 12.07.2000 051-00
C17O(1−0) 112.358988 0.92 0.73 22.0 0.052 0.180 265−359 29−30.06.1998 188-97
C17O(2−1) 224.714370e 0.85 0.53 11.0 0.532 0.626 629−1366 13−16.07.2000 051-00
C17O(2−1) 224.714370 0.90 0.42 11.0 0.052 0.977 995-1800 29−30.06.1998 188-97

Notes.

(a)

Frequency of the main hyperfine component;

(c)

from Pagani et al. (2009) and Dore, L. (priv. comm.);

(r)

from SPLATALOGUE database http://www.cv.nrao.edu/php/splat/;

(f)

Beff values are available at the 30 m antenna efficiencies web-page https://www.iram.fr/IRAMFR/ARN/aug05/node6.html;

(g)

Δvres is the velocity resolution;

(h)

dataset name is the ID of the corresponding IRAM 30 m project.

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