Open Access
Table 7
Comparison of the NH3 deuteration from ATLASGAL with other samples.
| Sample selection | Sample size | detection rate in NH2D (%) | [NH2D]/[NH3] | Reference |
|---|---|---|---|---|
| High-mass ATLASGAL clumps | 992 | 39 | 0.007–1.6 | This article |
| UCHIIR starless cores | 7 | 100 | <0.06–0.8 | Busquet et al. (2010) |
| Pre/protocluster clumps | 32 | 69 | 0.004–0.67 | Pillai et al. (2007) |
| Pre-stellar core L 1544 | 1 | 100 | 0.5 | Crapsi et al. (2007)(*) |
| Perseus protostellar cores | 7 | 100 | 0.17–0.33 | Hatchell (2003) |
| Dense cores | 2 | 100 | 0.02, 0.1 | Tiné et al. (2000) |
| Low-mass protostellar cores | 32 | 70 | 0.003–0.13 | Shah & Wootten (2001)(*) |
| Dark molecular cloud cores | 16 | 50 | 0.025–0.18 | Saito et al. (2000) |
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