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 2.6328e-03 Jy/beam
minimum 1.2248e-04 Jy/beam
mean 2.2773e-04 Jy/beam
median 1.6256e-04 Jy/beam
sigma 1.4009e-04 Jy/beam
MAD rms 3.6747e-05 Jy/beam

RMS images

VLASS3.2.sb45495367.eb46130723.60456.3862030787_split_split.ms

VLASS3.2.ql.T16t26.J192855_213000.10.2048.v1.I.iter1.image.pbcor.tt0.rms.I.mean.sky.png

vis
['VLASS3.2.sb45495367.eb46130723.60456.3862030787_split_split.ms']
output_dir
 
Start time
2024-06-28 13:44:19.527
End
2024-06-28 13:45:01.233
Duration
0:00:41.705
Note, WebLog generation is not included in the time.

CASA logs for stage 7