Table 1.
NOEMA and 30m observations.
| Survey | Telescope | Lines | Δtobs (in SWAN FoV) | Native resolution |
|---|---|---|---|---|
| SWAN | NOEMA | C2H(1−0), HNCO(4−3), HCN(1−0), HCO+(1−0), | 214 h | 2.4″ − 3.0″ |
| HNC(1−0), N2H+(1−0), C18O(1−0), HNCO(5−4), | ||||
| 13CO(1−0) | ||||
| SWAN-new | IRAM-30m | Same as SWAN-NOEMA | 55 h | 23.6″ − 29.8″ |
| CLAWS | IRAM-30m | C18O(1−0), 13CO(1−0), N2H+(1−0) | ∼14 h | 27 − 32″ |
| EMPIRE | IRAM-30m | HCN(1−0), HNC(1−0), HCO+(1−0) | ∼14 h | 26 − 34″ |
Notes. Observational data used in the SWAN survey, including archival data from EMPIRE (Jiménez-Donaire et al. 2019) and CLAWS (den Brok et al. 2022). The observing time tobs refers to the estimated observing time inside the FoV of SWAN (see Fig. 1). All 30m datasets (SWAN-new, EMPIRE, CLAWS) are combined to the “SWAN-30m” dataset before merging with the NOEMA data via joint deconvolution. Native resolution refers to the resolution after imaging.
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.