Basic Information on offpol

Task: offpol
Purpose: Generate ATCA primary beam polarimetric response.
Categories: utility

OFFPOL generates images of the primary beam response (both total
intensity and polarimetric) of the ATCA antennas. This
performs a simple simulation of an observation.

Key: out
Output name template. No default.

Key: freq
Frequency of interest, in GHz. The default is 1.384 GHz.

Key: harange
Hour angle range to simulate. This gives the start and
end hour angles, and a simulation step size. The default is
to simulate a snapshot at 0 hours. The default step size is
0.1 hours (6 minutes). This might be inadequate for sources
with a declination near -30 degrees.

Key: dec
Declination of the source. The default is -45 degrees.

Key: imsize
The image size. The default is 255.

Key: options
Task enrichment parameters. Several can be given.
  raw      Generate images of the XX,YY,XY and YX responses, rather
           than the Stokes responses.
  subtract Subtract off the circularly symmetric portion of the
           primary beam response from I, XX and YY responses.

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