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This article has an erratum: [https://doi.org/10.1051/0004-6361/202039465e]


Table 4

Fitted parameters of the Hill5 model for the average spectra and source A.

Line τ0 vs vi δ0 Te
(km s−1) (km s−1) (K km s−1) (K)
(1) (2) (3) (4) (5) (6)
The average spectra centered at an offset of (−40′′, 40′′) in Fig. 2

HNC (1–0) 3.77 ± 2.55 8.09 ± 0.10 0.13 ± 0.15 0.29 ± 0.07 5.29 ± 0.79
CS (2–1) 3.31 ± 4.38 8.05 ± 0.14 0.10 ± 0.22 0.20 ± 0.10 4.36 ± 0.93

The average spectra centered at an offset of (100′′, −120′′) in Fig. 2

HNC (1–0) 4.72 ± 4.94 8.30 ± 0.14 0.09 ± 0.19 0.28 ± 0.10 4.49 ± 0.85
CS (2–1) 2.11 ± 4.71 8.21 ± 0.15 0.05 ± 0.29 0.17 ± 0.13 4.24 ± 0.84

Source A

HNC (1–0) 3.83 ± 2.41 8.11 ± 0.09 0.10 ± 0.13 0.29 ± 0.06 5.56 ± 0.79
CS (2–1) 3.90 ± 4.69 8.05 ± 0.11 0.05 ± 0.16 0.21 ± 0.09 4.56 ± 0.92

Notes. (1) Used transition. (2) Fitted opacity. (3) Fitted systemic LSR velocity. (4) Fitted infall velocity. (5) Fitted velocity dispersion. (6) Fitted peak excitation temperature.

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