AIPS HELP file for CCFND in 31DEC21
As of Sat Oct 23 21:30:46 2021
CCFND: Task to find negative clean components
INNAME Image name (name)
INCLASS Image name (class)
INSEQ 0.0 9999.0 Image name (seq. #)
INDISK 0.0 9.0 Disk drive #
INVERS -5.0 46655.0 CC file ver. #
ECOUNT 0.0 Last row number
FLUX Flux density limit
FACTOR 0.0 32767. Factor for second flux pass
Use: CCFND prints on the line printer or terminal the rows of
extension files containing clean components in the
tables format. CCFND gives a running total of the flux
and tells the number of first negative component. For
gaussian models "type" GAUS means the deconvolved
gaussian and CGAU means the size of the source convolved
with the instrumental response.
INNAME......Image name (name). Standard defaults.
INCLASS.....Image name (class). Standard defaults.
INSEQ.......Image name (seq. #). 0 => highest.
INDISK......Disk drive # of image. 0 => any.
INVERS......Extension file version # 0 => highest.
ECOUNT......Last component to examine.
FLUX........Flux density limit for CC for first pass
FACTOR......Factor to Multiply Negative flux in second pass
CCFND: Task to find Clean Components in a CC table
DOCUMENTOR: W. Cotton
RELATED PROGRAMS: APCLN, IMAGR, IMFIT, UVFIT
CCFND is to list the contents of Clean component files in
a useable form. Both CLEAN point components and extended model
components may be contained in the table. CCFND needs little
explanation except for how to obtain proper scaling of sizes
and positions for model files associated with uv data files.
>INDISK=2; GETN(23); IMHEAD
>KEYWORD='CDELT4'; KEYVALUE=1.0 / 3600., 0.
KEYWORD='CDELT4' indicates the increment on the fourth
axis. Angle like values are stored in the header as degrees so
KEYVALUE=1.0/3600.0,0 sets the first word of KEYVALUE to 1
second in degrees and 0 in the second word. The axis order can
be determined by IMHEAD or QMHEAD. After using PUTHEAD, IMHEAD
or QMHEAD should be used to verify that the desired results
were obtained. These verbs will give the RA and Dec increments