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 8.1147e-04 Jy/beam
minimum 1.3371e-04 Jy/beam
mean 2.1808e-04 Jy/beam
median 1.7327e-04 Jy/beam
sigma 9.8511e-05 Jy/beam
MAD rms 2.9076e-05 Jy/beam

RMS images

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

VLASS3.2.ql.T07t21.J135047_133000.10.2048.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
2024-08-08 09:24:27.659
End
2024-08-08 09:26:01.208
Duration
0:01:33.550
Note, WebLog generation is not included in the time.

CASA logs for stage 7