UV_CONTINUUM

##
UV_CONTINUUM

            [CLEAN\]UV_CONTINUUM [Naver] [/INDEX Value [Frequency]]
          [/RANGE Min Max TYPE]

        Transform  the  (presumably spectral line) UV data set loaded by READ UV
        into a "continuum" data set.

        The transformation selects line channels defined by the  /RANGE  option,
        average them by groups of Naver contiguous channels, and concatenate the
        resulting visibilities into a "continuum" UV  table.   If  not  present,
        Naver  is  derived from the current field of view MAP_FIELD and required
        precision, MAP_PRECIS to avoid bandwidth smearing at field egdes.

        For each output channel, and for all visibilities, the U and  V  coordi-
        nates  are  rescaled  to the mean observing frequency, and the resulting
        (single-channel) visibilities are concatenated into the  "continuum"  UV
        data  set.  The  continuum  dataset becomes the current UV data. Flagged
        channels are ignored: this allows to mask channels  containing  spectral
        lines (see UV_FILTER).

        If no /RANGE option is defined, all channels are selected.

Subsections

- UV_CONTINUUM /INDEX
- UV_CONTINUUM /RANGE