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 6.4785e-04 Jy/beam
minimum 9.9554e-05 Jy/beam
mean 1.5623e-04 Jy/beam
median 1.1863e-04 Jy/beam
sigma 7.6452e-05 Jy/beam
MAD rms 1.0607e-05 Jy/beam

RMS images

TSKY0001.sb45340916.eb45735590.60430.21186149305_split_split.ms

VLASS3.2.ql.T25t10.J121821_573000.10.2048.v1.I.iter1.image.pbcor.tt0.rms.I.mean.sky.png

output_dir
 
vis
['TSKY0001.sb45340916.eb45735590.60430.21186149305_split_split.ms']
Start time
2024-05-05 02:08:28.632
End
2024-05-05 02:09:56.410
Duration
0:01:27.777
Note, WebLog generation is not included in the time.

CASA logs for stage 7