National Radio
Astronomy Observatory

5.2.6 Parameter phasecenter

The phasecenter parameter indicates which of the field IDs should be used to define the phase center of the mosaic image, or what that phase center is in RA and Dec. The default action is to use the first one given in the field list.

For example:

Note that the format for angles prefers to use hm for RA/time units and dm for Dec/Angle units as separators. The colon :: separator is interpreted as RA/time even if its used for the Dec, so be careful not to copy/paste from other sources.

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