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 8.8817e-04 Jy/beam
minimum 1.3199e-04 Jy/beam
mean 2.1740e-04 Jy/beam
median 1.5886e-04 Jy/beam
sigma 1.2329e-04 Jy/beam
MAD rms 1.7028e-05 Jy/beam

RMS images

VLASS3.2.sb45620914.eb45877486.60435.49343803241_split_split.ms

VLASS3.2.ql.T18t03.J020939_313000.10.2048.v4.I.iter1.image.pbcor.tt0.rms.I.mean.sky.png

vis
['VLASS3.2.sb45620914.eb45877486.60435.49343803241_split_split.ms']
output_dir
 
Start time
2024-08-31 10:29:28.694
End
2024-08-31 10:30:49.147
Duration
0:01:20.453
Note, WebLog generation is not included in the time.

CASA logs for stage 7