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Specifdy in which mode the Pipeline will run. 4 modes are possible
CONTINUUM
Only produce continuum images, no data cube. In this mode, the emission is assumed
to be purely continuum, with no significant line contamination.
SURVEY
Only produce line+continuum data cubes. No attempt to separate line emission from
continuum emission is made. The complete spectral coverage is imaged, at the velocity
resolution specified by the user. This mode is especially adapted for extra-galactic
work, or sources with lines close to the spectral confusion limit.
A "continuum" image is also produced, but a more elaborate evaluation using MAP_CONTINUUM on the full data cubes is recommended after imaging.
ALL
Produce data cubes that contains line and continuum emission together. Spectral line
identification will be performed if a Catalog is present, with the user-specified
velocity range and spectral resolution around each spectral line in the band.
If no Catalog is present, the complete spectral coverage is imaged, at the velocity resolution specified by the user (this case is equivalent to the SURVEY mode).
SPLIT
Similar to ALL, but produce data cubes that contains line and continuum emission
separately. The separation is based on filtering performed by UV_PREVIEW.