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 7.7646e-04 Jy/beam
minimum 1.2647e-04 Jy/beam
mean 2.0366e-04 Jy/beam
median 1.5481e-04 Jy/beam
sigma 9.9499e-05 Jy/beam
MAD rms 1.6409e-05 Jy/beam

RMS images

VLASS3.2.sb45402433.eb46233696.60512.00178947917_split_split.ms

VLASS3.2.ql.T07t20.J131040_123000.10.2048.v1.I.iter1.image.pbcor.tt0.rms.I.mean.sky.png

output_dir
 
vis
['VLASS3.2.sb45402433.eb46233696.60512.00178947917_split_split.ms']
Start time
2024-08-02 07:49:38.228
End
2024-08-02 07:50:56.087
Duration
0:01:17.858
Note, WebLog generation is not included in the time.

CASA logs for stage 7