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 1.6719e-03 Jy/beam
minimum 1.1473e-04 Jy/beam
mean 1.8720e-04 Jy/beam
median 1.4105e-04 Jy/beam
sigma 9.7056e-05 Jy/beam
MAD rms 1.7078e-05 Jy/beam

RMS images

VLASS3.2.sb45581971.eb46277724.60524.308668645834_split_split.ms

VLASS3.2.ql.T18t28.J204039_313000.10.2048.v1.I.iter1.image.pbcor.tt0.rms.I.mean.sky.png

output_dir
 
vis
['VLASS3.2.sb45581971.eb46277724.60524.308668645834_split_split.ms']
Start time
2024-08-07 16:43:20.728
End
2024-08-07 16:44:41.522
Duration
0:01:20.793
Note, WebLog generation is not included in the time.

CASA logs for stage 7