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 1.0285e-03 Jy/beam
minimum 1.2048e-04 Jy/beam
mean 1.8951e-04 Jy/beam
median 1.4732e-04 Jy/beam
sigma 8.8588e-05 Jy/beam
MAD rms 1.5716e-05 Jy/beam

RMS images

VLASS3.2.sb45485121.eb46138419.60465.288844282404_split_split.ms

VLASS3.2.ql.T09t24.J155407_053000.10.2048.v1.I.iter1.image.pbcor.tt0.rms.I.mean.sky.png

vis
['VLASS3.2.sb45485121.eb46138419.60465.288844282404_split_split.ms']
output_dir
 
Start time
2024-07-18 10:54:58.282
End
2024-07-18 10:56:36.874
Duration
0:01:38.593
Note, WebLog generation is not included in the time.

CASA logs for stage 7