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 5.7550e-04 Jy/beam
minimum 1.0626e-04 Jy/beam
mean 1.7079e-04 Jy/beam
median 1.3012e-04 Jy/beam
sigma 8.2805e-05 Jy/beam
MAD rms 1.2717e-05 Jy/beam

RMS images

VLASS3.2.sb45475438.eb46170878.60481.14940084491_split_split.ms

VLASS3.2.ql.T14t21.J133838_153000.10.2048.v1.I.iter1.image.pbcor.tt0.rms.I.mean.sky.png

vis
['VLASS3.2.sb45475438.eb46170878.60481.14940084491_split_split.ms']
output_dir
 
Start time
2024-06-28 09:21:37.699
End
2024-06-28 09:23:01.378
Duration
0:01:23.679
Note, WebLog generation is not included in the time.

CASA logs for stage 7