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 7.3400e-04 Jy/beam
minimum 1.1521e-04 Jy/beam
mean 1.8898e-04 Jy/beam
median 1.4340e-04 Jy/beam
sigma 9.5202e-05 Jy/beam
MAD rms 1.6876e-05 Jy/beam

RMS images

VLASS3.2.sb45621986.eb46268733.60517.296862511575_split_split.ms

VLASS3.2.ql.T18t06.J042817_303000.10.2048.v1.I.iter1.image.pbcor.tt0.rms.I.mean.sky.png

output_dir
 
vis
['VLASS3.2.sb45621986.eb46268733.60517.296862511575_split_split.ms']
Start time
2024-08-20 18:35:36.169
End
2024-08-20 18:36:47.828
Duration
0:01:11.659
Note, WebLog generation is not included in the time.

CASA logs for stage 7