RMS Images are meant to represent the root-mean-square deviation from the mean (rmsd) appropriate to measure the noise level in a Gaussian distribution.

maximum 4.0135e-03 Jy/beam
minimum 1.3188e-04 Jy/beam
mean 2.7231e-04 Jy/beam
median 2.0764e-04 Jy/beam
sigma 1.7586e-04 Jy/beam
MAD rms 7.7607e-05 Jy/beam

RMS images

VLASS3.2.sb45404898.eb46234400.60513.04696903935_split_split.ms

VLASS3.2.ql.T07t30.J193838_153000.10.2048.v1.I.iter1.image.pbcor.tt0.rms.I.mean.sky.png

vis
['VLASS3.2.sb45404898.eb46234400.60513.04696903935_split_split.ms']
output_dir
 
Start time
2024-09-28 16:33:28.148
End
2024-09-28 16:34:57.213
Duration
0:01:29.065
Note, WebLog generation is not included in the time.

CASA logs for stage 7