Table 6
Measurements of the 12C/13C gradient.
| Previous fitting results | This work | |||
|---|---|---|---|---|
| Slope | Intercept | Slope | Intercept | |
| CN (a) | 6.01 ± 1.19 | 12.28 ± 9.33 | 6.75 ± 1.44 | 5.57 ± 11.29 |
| C18O (b) | 5.41 ± 1.07 | 19.03 ± 7.90 | 5.72 ± 1.20 | 14.56 ± 9.25 |
| H2CO (c) | 5.08 ± 1.10 | 11.86 ± 6.60 | 5.43 ± 1.04 | 13.87 ± 6.38 |
| C34S (this work) | … | … | 4.77 ± 0.81 | 20.76 ± 4.61 |
Notes. Fitting results for the old (left) and new (right) distances, respectively. (a)From Savage et al. (2002) and Milam et al. (2005). (b)From Langer & Penzias (1990), Wouterloot & Brand (1996), and Keene et al. (1998). (c)From Henkel et al. (1980, 1982, 1983, 1985) and Yan et al. (2019).
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