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Table D.1
Physical parameters of interstellar sources used for abundance comparison.
| Source | Telescope | Distance | Luminosity | Beam size | Physical size | Reference |
|---|---|---|---|---|---|---|
| (pc) | (L⊙) | (′′ ×′′) | (au) | |||
| IRAS 16293–2422B | ALMA | 141 | 3(a) | 0.5 × 0.5 | 70 | Jørgensen et al. (2016) |
| Serpens SMM1-a | ALMA | 436 | 100(b) | 1.3 × 1.0 | 500 | This work |
| Orion KL | ALMA | 414 | 1 × 105 | 1.8 × 1.8 | 750 | Cernicharo et al. (2016) |
| Sgr B2(N2) | ALMA | 8300 | 4.7 × 106 | 1.6 × 1.2–2.9 × 1.5 | 1.3 × 104 | Belloche et al. (2017) |
| G10.47+0.03 | ALMA | 8550 | 5 × 105 | 2.0 × 1.4–2.4 × 1.6 | 1.6 × 104 | Gorai et al. (2020) |
| Sgr B2(N) | IRAM 30m | 8300 | 4.7 × 106 | 3.2 × 2.8–12.2 × 4.4 | 3.0 × 104 | Cernicharo et al. (2016) |
| G+0.693 | IRAM 30m & GBT | 8300(c) | – | 9 × 9–55 × 55 | ≥7.5 × 104 | Zeng et al. (2019) |
Notes. (a) Luminosity determined from a modelling investigation by Jacobsen et al. (2018). (b) Luminosity for the entire SMM1 source. (c)The distance to G+0.693 is assumed to be the same as Sgr B2.
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