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 2.5305e-03 Jy/beam
minimum 1.1088e-04 Jy/beam
mean 2.1471e-04 Jy/beam
median 1.5220e-04 Jy/beam
sigma 1.4311e-04 Jy/beam
MAD rms 3.8932e-05 Jy/beam

RMS images

VLASS3.2.sb45604475.eb46213502.60510.24079026621_split_split.ms

VLASS3.2.ql.T18t30.J220559_313000.10.2048.v1.I.iter1.image.pbcor.tt0.rms.I.mean.sky.png

vis
['VLASS3.2.sb45604475.eb46213502.60510.24079026621_split_split.ms']
output_dir
 
Start time
2024-08-24 08:27:59.864
End
2024-08-24 08:29:18.381
Duration
0:01:18.517
Note, WebLog generation is not included in the time.

CASA logs for stage 7