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Table 1

Observed parameters related to the molecular lines presented in this work.

Line Frequency Euk θbeam δv σ Mapping area Telescope
(GHz) (K) (′′) (km s−1) (K) (′′ × ′′)
(1) (2) (3) (4) (5) (6) (7) (8)
12CO J = 1−0 115.27120 6 52 0.16 0.5 1200 × 1200 PMO-13.7 m
13CO J = 1−0 110.20135 5 55 0.17 0.3 1200 × 1200 PMO-13.7 m
12CO J = 2−1 230.53800 17 11 0.25 0.5 1200 × 1200 IRAM-30 m
12CO J = 3−2 345.79599 33 14.5 0.27 1.0 1200 × 1200 JCMT-15 m
13CO J = 3−2 330.58797 32 15.1 0.27 0.7 1200 × 1200 JCMT-15 m
HCO+ J = 1−0 89.18852 4 61 0.20 0.08 1200 × 1200 PMO-13.7 m
SiO J = 2−1 86.84696 6 61 0.20 0.08 1200 × 1200 PMO-13.7 m
CH3OH JK = 80−71A+ 95.16939 84 55 0.18 0.08 1200 × 1200 PMO-13.7 m
H2O 22.23508 644 40 0.06 0.2 360 × 75 Effelsberg-100 m

Notes. (1) Observed transition. (2) Rest frequency. (3) The upper energy of the observed transition. (4) The beam size. (5) The channel width in units of km s−1. (6) The rmsnoise level. (7) The mapped region. (8) The telescope.

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