Table 3
Physical parameters of the dense cores in G351.77 protocluster.
| Core | Int × 103 | VLSR−<VLSR>(1) | σv (1) | Tex (1) | τ (1) | N(N2H+) | X(N2H+)(1) | Ntot (2) | Mtot (2) |
|---|---|---|---|---|---|---|---|---|---|
| ID | (K km s−1) | (km s−1) | (km s−1) | (K) | × 1014 (cm−2) | × 10−10 | × 1024 (cm−2) | (M⊙) | |
| L10 | 0.358 | −1.41 ± 0.03 | 0.92 ± 0.02 | 11.2 ± 0.7 | 5.44 ± 0.5 | 2.44 ± 0.26 | 2.91 ± 0.84 | 0.65 ± 0.08 | 0.56 ± 0.07 |
| L11 | 0.205 | 2.04 ± 0.03 | 1.51 ± 0.03 | 12.3 ± 1.1 | 1.97 ± 0.3 | 0.88 ± 0.14 | 0.34 ± 0.09 | 0.23 ± 0.02 | 0.20 ± 0.02 |
| L12 | 0.176 | −0.48 ± 0.06 | 1.08 ± 0.04 | 11.3 ± 1.4 | 1.51 ± 0.2 | 0.72 ± 0.18 | 0.45 ± 0.13 | 0.19 ± 0.02 | 0.16 ± 0.02 |
| L13 | 0.254 | −1.84 ± 0.10 | 1.19 ± 0.06 | 10.3 ± 1.2 | 2.64 ± 0.2 | 1.24 ± 0.26 | 1.15 ± 0.33 | 0.33 ± 0.03 | 0.28 ± 0.02 |
| L14 | 0.042 | −0.55 ± 0.04 | 0.70 ± 0.05 | 12.4 ± 1.1 | 0.71 ± 0.1 | 0.15 ± 0.04 | 0.06 ± 0.01 | 0.04 ± 0.01 | 0.03 ± 0.01 |
| L16 | 0.370 | −0.72 ± 0.01 | 0.56 ± 0.01 | 10.0 ± 0.2 | 22.8 ± 1.1 | 2.66 ± 0.25 | 2.90 ± 0.84 | 0.70 ± 0.08 | 0.61 ± 0.07 |
| L18 | 0.409 | −1.74 ± 0.01 | 1.01 ± 0.01 | 17.8 ± 0.3 | 4.74 ± 0.2 | 2.09 ± 0.08 | 0.83 ± 0.24 | 0.55 ± 0.06 | 0.47 ± 0.05 |
| L19 | 0.940 | −2.87 ± 0.01 | 1.18 ± 0.01 | 17.5 ± 0.2 | 5.21 ± 0.2 | 4.80 ± 0.22 | 1.44 ± 0.42 | 1.27 ± 0.15 | 1.10 ± 0.13 |
| L20 | 0.396 | −2.36 ± 0.02 | 0.82 ± 0.01 | 9.1 ± 0.9 | 8.08 ± 0.4 | 2.78 ± 0.51 | 0.24 ± 0.07 | 0.74 ± 0.09 | 0.64 ± 0.08 |
| L23 | 0.785 | −1.61 ± 0.03 | 0.74 ± 0.02 | 5.8 ± 1.4 | 2.61 ± 0.2 | 2.92 ± 0.36 | 0.33 ± 0.09 | 0.77 ± 0.01 | 0.67 ± 0.01 |
Notes. The number in the first column indicate the cores number in Table E.11 in Louvet et al. (2024), and in Table F.9 in Cunningham et al. (2023). The “L” is used to distinguish between the PV features associated with the dense cores from Louvet et al. (2024) and the PV features of possible cores under the 1.3 mm band detection limit (see Sect. 5.2 and Table E.1). The errors of N(N2H+) and Ntot are estimated based on the distribution of the percentage error in column densities, to prevent underestimations. (1)These quantities represent average measurements inside dense core regions. (2)Total column density and masses estimated from the N(N2H+) and relative abundance (see Sect. 4.2).
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