[daip] FLATN and primary beam correction

[Andy Biggs]

Hi Eric. I've attached greyscale plots of the FLATN output for PBPARM(1) = 0.02 and 0.2 and here are the headers:

Centre facet of top-left pointing:

AIPS 2: Image=GROTHN4   (MA)         Filename=GROTH       .ICL001.   4
AIPS 2: Telescope=GMRT               Receiver=GMRT
AIPS 2: Observer=ANDY BIG            User #= 4006
AIPS 2: Observ. date=27-JAN-2008     Map date=13-JAN-2012
AIPS 2: Minimum=-3.41270759E-04      Maximum= 1.73609201E-02 JY/BEAM
AIPS 2: ----------------------------------------------------------------
AIPS 2: Type    Pixels   Coord value     at Pixel     Coord incr   Rotat
AIPS 2: RA---SIN  1024    14 25 13.402     512.00      -0.900000    0.00
AIPS 2: DEC--SIN  1024    53 41 38.000     513.00       0.900000    0.00
AIPS 2: FREQ         1   6.1000000E+08       1.00  3.0000000E+07    0.00
AIPS 2: STOKES       1   1.0000000E+00       1.00  1.0000000E+00    0.00
AIPS 2: ----------------------------------------------------------------
AIPS 2: Coordinate equinox 2000.00
AIPS 2: Map type=NORMAL              Number of iterations=     146
AIPS 2: Conv size=   5.97 X   4.05   Position angle=  66.07
AIPS 2: Observed RA   14 25 13.404    DEC  53 41 37.97
AIPS 2: Phase shifted in X1296000.000  in Y      0.032
AIPS 2: Rest freq      0.000         Vel type: OPTICAL wrt YOU
AIPS 2: Alt ref. value  0.00000E+00  wrt pixel    0.48
AIPS 2: Maximum version number of extension files of type CC is   1
AIPS 2: Maximum version number of extension files of type CG is   1
AIPS 2: Maximum version number of extension files of type HI is   1
AIPS 2: Maximum version number of extension files of type PL is   1
AIPS 2: Keyword = 'WTNOISE '  value =  1.227156E+00
AIPS 2: Keyword = 'SUMWTIN '  value =  4.787401E+07
AIPS 2: Keyword = 'CCFLUX  '  value =  8.281621E-02
AIPS 2: Keyword = 'CCTOTAL '  value =  7.726516E-01
AIPS 2: Keyword = 'CROSSPOW'  value =            0
AIPS 2: Keyword = 'MAXABSU '  value = -1.000000E+00
AIPS 2: Keyword = 'ACTNOISE'  value =  2.934090E-05
AIPS 2: Keyword = 'ACTMEAN '  value = -7.642372E-07

Last facet of top-left pointing:

AIPS 2: Image=GROTHN4   (MA)         Filename=GROTH       .ICL085.   4
AIPS 2: Telescope=GMRT               Receiver=GMRT
AIPS 2: Observer=ANDY BIG            User #= 4006
AIPS 2: Observ. date=27-JAN-2008     Map date=13-JAN-2012
AIPS 2: Minimum=-1.70194398E-04      Maximum= 9.87485866E-04 JY/BEAM
AIPS 2: ----------------------------------------------------------------
AIPS 2: Type    Pixels   Coord value     at Pixel     Coord incr   Rotat
AIPS 2: RA---SIN  1024    14 26 31.852     512.00      -0.900000    0.00
AIPS 2: DEC--SIN  1024    54 40 32.000     513.00       0.900000    0.00
AIPS 2: FREQ         1   6.1000000E+08       1.00  3.0000000E+07    0.00
AIPS 2: STOKES       1   1.0000000E+00       1.00  1.0000000E+00    0.00
AIPS 2: ----------------------------------------------------------------
AIPS 2: Coordinate equinox 2000.00
AIPS 2: Map type=DIRTY               Number of iterations=       0
AIPS 2: Conv size=   5.98 X   4.07   Position angle=  65.94
AIPS 2: Observed RA   14 25 13.404    DEC  53 41 37.97
AIPS 2: Phase shifted in X1297176.750  in Y   3534.032
AIPS 2: Rest freq      0.000         Vel type: OPTICAL wrt YOU
AIPS 2: Alt ref. value  0.00000E+00  wrt pixel    0.48
AIPS 2: Maximum version number of extension files of type CC is   1
AIPS 2: Maximum version number of extension files of type CG is   1
AIPS 2: Maximum version number of extension files of type HI is   1
AIPS 2: Keyword = 'WTNOISE '  value =  1.227156E+00
AIPS 2: Keyword = 'SUMWTIN '  value =  4.787401E+07
AIPS 2: Keyword = 'CCFLUX  '  value =  0.000000E+00
AIPS 2: Keyword = 'CCTOTAL '  value =  7.726516E-01
AIPS 2: Keyword = 'CROSSPOW'  value =            0
AIPS 2: Keyword = 'MAXABSU '  value = -1.000000E+00

Thanks,

Andy

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