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 2.5915e-03 Jy/beam
minimum 1.1409e-04 Jy/beam
mean 1.8270e-04 Jy/beam
median 1.3885e-04 Jy/beam
sigma 9.3074e-05 Jy/beam
MAD rms 1.5893e-05 Jy/beam

RMS images

VLASS3.2.sb45648243.eb46185103.60489.41377829861_split_split.ms

VLASS3.2.ql.T15t05.J030614_163000.10.2048.v1.I.iter1.image.pbcor.tt0.rms.I.mean.sky.png

vis
['VLASS3.2.sb45648243.eb46185103.60489.41377829861_split_split.ms']
output_dir
 
Start time
2024-07-07 09:53:50.094
End
2024-07-07 09:55:08.354
Duration
0:01:18.260
Note, WebLog generation is not included in the time.

CASA logs for stage 7