Table B.1
SED parameters of dense cores in the Snake IRDC.
| Source |  |
 |
λpeak | Tdust | M | L |
|---|---|---|---|---|---|---|
| no. | [μm] | [K] | [M⊙] | [L⊙] | ||
| 1 | 3 | 3.23 | 166.7 | 17.5 ± 1.3 | 8 ± 4 |  |
| 2 | 3 | 1.69 | 111.1 | 27.0 ± 2.0 | 1 ± 0.5 |  |
| 4 | 3 | 11.51 | 187.5 | 16.2 ± 1.3 | 19 ± 12 |  |
| 5 | 4 | …(a) | 130.5 | 19.5 ± 2.8 | 13 ± 11 |  |
| 41.0 ± 0.7 | 0.24 ± 0.05 | |||||
| 8 | 4 | …(a) | 166.7 | 16.9 ± 3.1 | 24 ± 30 (b) |  |
| 51.7 ± 3.2 | 0.023 ± 0.017 | |||||
| 9 | 4 | …(a) | 130.5 | 20.3 ± 0.7 | 285 ± 45 |  |
| 45.0 ± 0.4 | 3.0 ± 0.4 | |||||
| 10 | 4 | …(a) | 157.9 | 18.0 ± 1.9 | 13 ± 7 |  |
| 47.4 ± 2.5 | 0.03 ± 0.02 | |||||
| 15 | 4 | …(a) | 142.9 | 19.8 ± 4.6 | 14 ± 20 (b) |  |
| 56.0 ± 4.4 | 0.033 ± 0.027 | |||||
| 16 | 4 | …(a) | 125.0 | 23.0 ± 14.1 | 4 ± 12 (b) |  (b) |
| 65.0 ± 33.3 | 0.009 ± 0.045 (b) | |||||
| 18 | 4 | …(a) | 166.7 | 17.3 ± 1.1 | 102 ± 43 |  |
| 50.0 ± 1.6 | 0.09 ± 0.03 |
Notes. The parameters given in the table are the number of flux density data points used in the SED fit, reduced χ2 value defined in Eq. (5), wavelength of the peak position of the fitted SED, dust temperature, total (gas+dust) mass, and luminosity (Eq. (4)). For the sources whose SED was fitted with a two-temperature model, the dust temperature and mass of the warm component are reported beneath the cold component values. (a) The number of flux density data points is equal to the number of free parameters of the model, and hence there are zero degrees of freedom. Therefore, the value of 
becomes infinite. (b)The uncertainty in the derived parameter is larger than the nominal value.
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