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 7.8643e-04 Jy/beam
minimum 1.1187e-04 Jy/beam
mean 1.8777e-04 Jy/beam
median 1.3565e-04 Jy/beam
sigma 9.9152e-05 Jy/beam
MAD rms 1.7952e-05 Jy/beam

RMS images

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

VLASS3.2.ql.T18t30.J214715_283000.10.2048.v1.I.iter1.image.pbcor.tt0.rms.I.mean.sky.png

output_dir
 
vis
['VLASS3.2.sb45604475.eb46213502.60510.24079026621_split_split.ms']
Start time
2024-08-03 13:47:28.431
End
2024-08-03 13:48:19.975
Duration
0:00:51.544
Note, WebLog generation is not included in the time.

CASA logs for stage 7