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AIPS HELP file for PIXSTD in 31DEC24

#### As of Sat Jun 15 9:16:08 2024

### HELP SECTION

PIXSTD
Type: Adverb (Real)
Use: An RMS deviation about the mean image value in the units
specified in the image header.
Null value: none.
Verbs:
ACTNOISE.....Puts estimate of actual image uncertainty and zero in
header.
IMSTAT.......Determine image statistics in rectangular area and
return results in adverbs.
TVSTAT.......Determine image statistics in polygonal areas set with
the TV cursor and return results in adverbs.
Tasks:
AVGWT........Computes the average visibility weight of the included
data.
CUBIT........Model a galaxy's density and velocity distribution from
full cube.
DCONV........Deconvolves a Gaussian from an image. PIXSTD is the rms
level to stop the iterations.
GAL..........Determine parameters from a velocity field.
IMEAN........Displays the mean & extrema and plots histogram of an
image.
POLCO........Task to correct polarization maps for Ricean bias.
SERCH........Finds line signals in transposed data cube.
UVRMS........Computes statistics of a selected subset of a uv data
set.
WARP.........Model warps in Galaxies.

### EXPLAIN SECTION