Calculate data weights based on st. dev. within each spw.

Statwt Summary Plot

VLASS3.2.sb45486206.eb46169366.60475.03141015046_split_split.ms

Plot of antenna-based weight vs. antenna or spectral window (before re-weight)

Plot of antenna-based weight vs. antenna or spectral window (after re-weight)

Statwt Summary

Summary of before/after-statwt antenna-based weights (Wi) for each antenna. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Antenna Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
ea01 1342 1342/1342 1342 ± 0 5.236 4.696/6.003 5.152 ± 1.08
ea02 1342 1342/1342 1342 ± 0.00003725 5.02 4.744/6.094 5.12 ± 1.097
ea03 1342 1342/1342 1342 ± 0.00000686 5.142 5.01/6.152 5.312 ± 0.7655
ea04 1342 1342/1342 1342 ± 0.00004808 4.882 4.39/5.705 4.808 ± 0.8824
ea05 1342 1342/1342 1342 ± 0.0000509 5.104 4.74/6.047 5.083 ± 0.9988
ea06 1342 1342/1342 1342 ± 0.00002513 4.697 4.554/5.587 4.836 ± 0.7919
ea07 1342 1342/1342 1342 ± 0.00004061 4.818 4.521/5.788 4.883 ± 0.9949
ea08 1342 1342/1342 1342 ± 0.00001854 5.385 4.941/6.416 5.369 ± 1.1
ea09 1342 1342/1342 1342 ± 0.00004657 4.855 4.539/5.708 4.794 ± 0.8951
ea10 1342 1342/1342 1342 ± 0.00002937 2.661 2.539/2.891 2.691 ± 0.2469
ea11 1342 1342/1342 1342 ± 0.0000526 5.009 4.233/5.921 4.865 ± 1.061
ea12 1342 1342/1342 1342 ± 0.00004548 4.878 4.473/5.665 4.81 ± 0.9293
ea14 1342 1342/1342 1342 ± 0.00004976 5.148 4.823/6.116 5.124 ± 1.03
ea15 1342 1342/1342 1342 ± 0.00005084 5.19 4.712/6.309 5.212 ± 1.065
ea16 1342 1342/1342 1342 ± 0.00002337 5.34 5.022/6.207 5.364 ± 0.9555
ea17 1342 1342/1342 1342 ± 0.00004263 5.366 4.846/6.25 5.256 ± 1.14
ea18 1342 1342/1342 1342 ± 0.00001313 5.398 5.155/6.396 5.421 ± 1.066
ea19 1342 1342/1342 1342 ± 0.00004054 5.141 4.742/6.071 5.094 ± 1.029
ea20 1342 1342/1342 1342 ± 0.00003664 5.518 5.074/6.523 5.502 ± 1.017
ea21 1342 1342/1342 1342 ± 0.000008603 4.87 4.649/5.401 4.922 ± 0.6117
ea22 1342 1342/1342 1342 ± 0.00002948 5.212 4.775/6.122 5.158 ± 1.048
ea23 1342 1342/1342 1342 ± 0.00004811 5.383 4.756/6.128 5.179 ± 1.051
ea24 1342 1342/1342 1342 ± 0.00001225 4.835 4.631/5.822 5.114 ± 0.7329
ea25 1342 1342/1342 1342 ± 0.0000143 5.51 5.12/6.338 5.637 ± 0.8434
ea27 1342 1342/1342 1342 ± 0.00001794 5.032 4.589/5.95 5.03 ± 0.9493
ea28 1342 1342/1342 1342 ± 0.000004781 5.469 5.337/6.491 5.572 ± 0.872
Summary of before/after-statwt antenna-based weights (Wi) for each spectral window. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Spw Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
2 1342 1342/1342 1342 ± 0.00002352 4.944 4.711/5.092 4.827 ± 0.5163
5 1342 1342/1342 1342 ± 0.00003493 4.761 4.549/5.081 4.758 ± 0.5431
6 1342 1342/1342 1342 ± 0.00002396 4.983 4.729/5.167 4.872 ± 0.5185
7 1342 1342/1342 1342 ± 0.00002352 5.104 4.862/5.244 4.985 ± 0.5242
8 1342 1342/1342 1342 ± 0.00002352 5.02 4.824/5.179 4.935 ± 0.545
9 1342 1342/1342 1342 ± 0.00002352 5.206 4.982/5.418 5.13 ± 0.5513
10 1342 1342/1342 1342 ± 0.00002349 5.854 5.638/5.945 5.697 ± 0.6174
11 1342 1342/1342 1342 ± 0.00002349 6.114 5.788/6.25 5.97 ± 0.6489
12 1342 1342/1342 1342 ± 0.00002349 6.23 5.959/6.416 6.128 ± 0.674
13 1342 1342/1342 1342 ± 0.00002389 6.27 5.978/6.502 6.157 ± 0.7555
14 1342 1342/1342 1342 ± 0.00005518 4.346 4.064/4.882 4.459 ± 0.7031
15 1342 1342/1342 1342 ± 0.00002349 6.273 5.93/6.609 6.126 ± 0.8524
16 1342 1342/1342 1342 ± 0.00006027 3.189 3.022/3.653 3.352 ± 0.4996
17 1342 1342/1342 1342 ± 0.00006008 3.244 3.056/3.546 3.321 ± 0.3767
output_dir
 
datacolumn
residual_data
vis
VLASS3.2.sb45486206.eb46169366.60475.03141015046_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-07-22 22:49:59.700
End
2025-07-22 23:54:17.723
Duration
1:04:18.023
Note, WebLog generation is not included in the time.

CASA logs for stage 8