AIPS HELP file for CSCOR in 31DEC24
As of Wed Nov 13 9:00:38 2024
CSCOR: Task which applies various corrections to CS tables.
INPUTS
INNAME Input UV file name (name)
INCLASS Input UV file name (class)
INSEQ 0.0 9999.0 Input UV file name (seq. #)
INDISK 0.0 9.0 Input UV file disk unit #
STOKES Stokes type to process
BIF 0.0 100.0 Lowest IF number 0=>all
EIF 0.0 100.0 Highest IF number 0=>all
TIMERANG Time range to use.
ANTENNAS Beam numbers to correct.
SUBARRAY 0.0 9999.0 Subarray; 0 => 1.
GAINVER 1.0 9999.0 CS table version to update
GAINUSE 2.0 9999.0 Output CS table
OPCODE Operation code.
BPARM Parameters (see HELP CSCOR).
BADDISK 0.0 9999.0 Disks to aviod for scratch
HELP SECTION
CSCOR
Task: This task makes a number of corrections to a CS table.
NOTE: Only data modified are written to the output table.
If only a subset of the records are to be modified then
copy the old file to a new copy using TACOP and then run
CSCOR with GAINVER=GAINUSE. If all records are to be
modified; even if several runs of CSCOR are required,
then GAINVER and GAINUSE may differ.
Adverbs:
INNAME.....Input UV file name (name). Standard defaults.
INCLASS....Input UV file name (class). Standard defaults.
INSEQ......Input UV file name (seq. #). 0 => highest.
INDISK.....Disk drive # of input UV file. 0 => any.
STOKES.....The desired Stokes type of the output data:
'R ', 'L ', 'RL', ' '=> 'RL'.
BIF........First IF to process. 0=>all.
EIF........Highest IF to process. 0=>all higher than BIF
TIMERANG...Time range of the data to be used. In order:
Start day, hour, min. sec,
end day, hour, min. sec. Days relative to ref.
date.
ANTENNAS...A list of the beam numbers to be modified.
All 0 => use all.
SUBARRAY...The subarray to modify. Do only one at a time.
GAINVER....The input CS table version number.
NOTE: There is NO default value.
GAINUSE....The output CS table version no. 0 => create new
table.
OPCODE.....Operation code (see also EXPLAIN CSCOR):
'OPAC' => apply atmospheric opacity amplitude
corrections using zenith opacity of
BPARM(1) nepers.
'GAIN' => Correct using polynominal gain curve for
antenna gain as a function of the zenith
angle (ZA) in degrees.
correction = BPARM(1) + ZA * BPARM(2) +
ZA * ZA * BPARM(3) ...
'PTRA' => Correct Right ascension *
cos(declination) by a polynomial in
zenith angle (ZA) in degrees:
correction(arcsec) = BPARM(1) +
ZA*BPARM(2) + ZA*ZA*BPARM(3)...
The correction is added to the old
position .
'PTDC' => Correct declination position by a
polynomial in zenith angle (ZA) in
degrees:
correction(arcsec) = BPARM(1) +
ZA*BPARM(2) + ZA*ZA*BPARM(3)...
The correction is added to the old
position .
BPARM......Parameters: see above.
CPARM......CPARM(1) = Antenna longitude in degrees (if no AN file)
CPARM(2) = Antenna latitude in degrees (if no AN file)
If there is no antenna file and these are not given, the
task has to die.
BADDISK....A list of disks on which scratch files are not to
be placed. This will not affect the output file.
EXPLAIN SECTION