Free Access

Table 1.

ALMA spectral setup.

Central frequency Bandwidth Number of Spectral resolution
(GHz) (GHz) channels (kHz) (km s−1)
239.298 0.469 1920 282 0.353
241.478 1.875 1920 1129 1.40
253.106 1.875 1920 1129 1.34
255.411 1.875 1920 1129 1.33

Notes. The spectral resolution is given after Hanning smoothing.

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.