Table 4
Summary of the emission per disc, mostly compared to DR Tau.
| ID | H2Ohot | H2 Ocold | CO2 | CO2 | HCN | HCN | C2H2 | 13C12CH2 | C | O | Inside | Scenario |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| (Q-branch) | (N) | (Q-branch) | (hot) | (Q-branch) | snowlines? | younger (y), older (o) | ||||||
| V1094 Sco | Low | Yes | 4(o) | |||||||||
| DL Tau | Low | Yes | 1, 3, 5 (o) | |||||||||
| GW Lup | High | No | 3, 4 (o) | |||||||||
| CI Tau | High | Yes | 4(o) | |||||||||
| IQ Tau | High | No | 1, 2 (o) | |||||||||
| Sz 98 | Medium | Yes | 2 | |||||||||
| BP Tau | High | – | 1 | |||||||||
| PDS 70 | Low | – | 1–5 | |||||||||
| SY Cha | High | – | 1–5 |
Notes. The H2Ohot is based on the sample as a whole, not DR Tau alone. Green indicates larger fluxes than rescaled DR Tau, yellow approximately the same, and red less than DR Tau. The N for CO2 indicates the relative CO2 column density based on the 13CO2 and the CO2 hot branch. The right-most column indicates whether the substructures are present within the CO and CH4 snowlines.
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