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 6.3994e-04 Jy/beam
minimum 1.0000e-04 Jy/beam
mean 1.6106e-04 Jy/beam
median 1.2203e-04 Jy/beam
sigma 8.2287e-05 Jy/beam
MAD rms 1.2550e-05 Jy/beam

RMS images

VLASS3.2.sb45623055.eb46200180.60504.33565158564_split_split.ms

VLASS3.2.ql.T19t04.J024956_323000.10.2048.v1.I.iter1.image.pbcor.tt0.rms.I.mean.sky.png

vis
['VLASS3.2.sb45623055.eb46200180.60504.33565158564_split_split.ms']
output_dir
 
Start time
2024-07-21 05:59:39.795
End
2024-07-21 06:01:06.145
Duration
0:01:26.351
Note, WebLog generation is not included in the time.

CASA logs for stage 7