AIPS HELP file for DECSHIFT in 31DEC22
As of Tue Feb 7 15:29:01 2023
Type: Adverb (Real array, 64 elements)
Use: Specifies a change or shift of the declination (or Y) coordinate
of an image, one per FIELD. Specifies a shift Northward (larger
Y-pixel value) of the map center.
The actual new center Declination is given by
Dec(i) = Dec_0 + DECSHIFT(i)
where Dec_0 is the declination of the reference point.
If more than 64 fields are needed use BOXFILE to specify the
shifts or field centers. DECSHIFT is used only if BOXFILE is
Null Value: NONE ( 0 => no shift)
BOXES.......Adds Clean boxes to BOXFILE around sources from a list.
CHKFC.......Makes images of Clean boxes from Boxfile.
FIXBX.......Converts a BOXFILE to another for input to IMAGR.
IMAGR.......Wide-field and/or wide-frequency Cleaning / imaging
SCIMG.......Full-featured imaging plus self-calibration loop with
UVCON.... Generate sample UV coverage given a user defined array
CXPOLN......Procedure to make complex polarization images and beam.
LINIMAGE....Build image cube from multi-IF data set.