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 6.5112e-04 Jy/beam
minimum 1.2130e-04 Jy/beam
mean 1.9060e-04 Jy/beam
median 1.4568e-04 Jy/beam
sigma 9.1786e-05 Jy/beam
MAD rms 1.3579e-05 Jy/beam

RMS images

VLASS3.2.sb45464760.eb46184640.60488.09602216435_split_split.ms

VLASS3.2.ql.T13t19.J123420_083000.10.2048.v1.I.iter1.image.pbcor.tt0.rms.I.mean.sky.png

vis
['VLASS3.2.sb45464760.eb46184640.60488.09602216435_split_split.ms']
output_dir
 
Start time
2024-07-03 18:06:58.601
End
2024-07-03 18:08:27.646
Duration
0:01:29.045
Note, WebLog generation is not included in the time.

CASA logs for stage 7