AIPS HELP file for IN5SEQ in 31DEC26

As of Tue Feb 10 14:00:19 2026

HELP SECTION

IN5SEQ
Type: Adverb  (Real)
Use:  Data files are stored in AIPS under logical names which
      have 4 parts: a 12-character "name" field, a 6-character
      "class" field, and a numeric "sequence number" field.
      IN5SEQ is used to specify the "sequence number" field for
      the 5th of the input data files used by a verb or task.
      It is used as an integer number between 0 and 9999.
Null value:  0
      Null value means take the image having the highest
      sequence number which is consistent with the other adverb
      name parameters unless explicitly stated otherwise in the
      Help file for the verb or task.
Tasks:
   BLPCL.........Do divide by I,Q,U models for circular polarization
                 BLCHN.  The 3th file is the optional V model.
   RMFIT.........Fits 1-dimensional polarization spectrum to Q/U cube.
                 The 5th image is the imaginary part of the FARS output.
Verbs:
   CAT5LOG.......List one or more entries in the user's data directory:
                 #5 file name.
   CLR5NAME......Clears adverbs specifying the fifth input image.
   GET5NAME......Fills 5th input image name parameters by catalog slot
                 number.
   IM5HEAD.......Displays the image 5 header contents to terminal,
                 message file.
   Q5HEADER......Verb to summarize the image 5 header: positions at
                 center.
Procedures:
   BLPOLCAL......Do BLCHN for I, Q, U, V models.  5th is V model.

EXPLAIN SECTION