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 6.9280e-04 Jy/beam
minimum 1.1202e-04 Jy/beam
mean 1.7913e-04 Jy/beam
median 1.3541e-04 Jy/beam
sigma 9.4050e-05 Jy/beam
MAD rms 1.2633e-05 Jy/beam

RMS images

VLASS3.2.sb45765605.eb46170645.60480.40723210648_split_split.ms

VLASS3.2.ql.T20t06.J042214_363000.10.2048.v1.I.iter1.image.pbcor.tt0.rms.I.mean.sky.png

vis
['VLASS3.2.sb45765605.eb46170645.60480.40723210648_split_split.ms']
output_dir
 
Start time
2024-07-09 20:29:12.774
End
2024-07-09 20:30:40.354
Duration
0:01:27.581
Note, WebLog generation is not included in the time.

CASA logs for stage 7