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

Statwt Summary Plot

VLASS3.2.sb45458712.eb46169388.60476.06293818287_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 5.574 5.337/6.231 5.77 ± 0.7338
ea02 1342 1342/1342 1342 ± 0.00003368 5.661 5.186/6.304 5.685 ± 0.6017
ea03 1342 1342/1342 1342 ± 0.000002396 5.25 5.066/6.112 5.61 ± 0.6412
ea04 1342 1342/1342 1342 ± 0.00003917 5.141 4.909/5.855 5.305 ± 0.563
ea05 1342 1342/1342 1342 ± 0.00004239 5.403 5.065/6.142 5.578 ± 0.7076
ea06 1342 1342/1342 1342 ± 0.000005865 5.307 4.745/5.863 5.369 ± 0.6185
ea07 1342 1342/1342 1342 ± 0.00003159 5.388 4.953/6.156 5.529 ± 0.6571
ea08 1342 1342/1342 1342 ± 0.00003015 5.918 5.35/6.576 5.866 ± 0.6761
ea09 1342 1342/1342 1342 ± 0.0000362 5.17 4.78/5.889 5.366 ± 0.6087
ea10 1342 1342/1342 1342 ± 0.00004116 4.38 4.088/4.873 4.469 ± 0.3967
ea11 1342 1342/1342 1342 ± 0.00004405 5.748 4.906/6.356 5.702 ± 0.8098
ea12 1342 1342/1342 1342 ± 0.00003443 5.163 4.888/5.774 5.283 ± 0.6075
ea14 1342 1342/1342 1342 ± 0.00004088 5.678 5.231/6.342 5.658 ± 0.6734
ea15 1342 1342/1342 1342 ± 0.00004386 5.658 5.287/6.45 5.755 ± 0.8197
ea16 1342 1342/1342 1342 ± 0.000006748 5.589 5.144/6.232 5.758 ± 0.7157
ea17 1342 1342/1342 1342 ± 0.00003429 5.812 5.284/6.502 5.899 ± 0.7112
ea18 1342 1342/1342 1342 ± 0.00003217 5.799 5.464/6.55 5.889 ± 0.6951
ea19 1342 1342/1342 1342 ± 0.00002136 5.401 5.16/6.123 5.587 ± 0.7185
ea20 1342 1342/1342 1342 ± 0.00001195 5.951 5.597/6.748 6.155 ± 0.7516
ea21 1342 1342/1342 1342 ± 0 4.797 4.627/5.422 5.021 ± 0.5132
ea22 1342 1342/1342 1342 ± 0.00003098 5.527 5.015/6.265 5.652 ± 0.6337
ea23 1342 1342/1342 1342 ± 0.00003903 5.763 5.176/6.298 5.738 ± 0.6873
ea24 1342 1342/1342 1342 ± 0.000002075 5.311 4.968/6.123 5.553 ± 0.6054
ea25 1342 1342/1342 1342 ± 0 5.678 5.238/6.242 5.906 ± 0.7266
ea27 1342 1342/1342 1342 ± 0.000006977 5.392 4.935/6.196 5.454 ± 0.7556
ea28 1342 1342/1342 1342 ± 0.000006444 5.722 5.551/6.606 6.04 ± 0.6722
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 ± 0.00002348 5.135 4.922/5.283 5.103 ± 0.2876
5 1342 1342/1342 1342 ± 0.00004272 4.819 4.533/5.215 4.8 ± 0.4109
6 1342 1342/1342 1342 ± 0.00002403 5.02 4.756/5.316 5.027 ± 0.3181
7 1342 1342/1342 1342 ± 0.00002348 5.191 5.001/5.378 5.169 ± 0.3027
8 1342 1342/1342 1342 ± 0.00002348 5.177 4.935/5.355 5.158 ± 0.3634
9 1342 1342/1342 1342 ± 0.00002348 5.535 5.248/5.724 5.451 ± 0.3546
10 1342 1342/1342 1342 ± 0.00002348 5.957 5.745/6.118 5.903 ± 0.3684
11 1342 1342/1342 1342 ± 0.00002348 6.233 6.101/6.451 6.179 ± 0.3767
12 1342 1342/1342 1342 ± 0.00002348 6.427 6.178/6.518 6.337 ± 0.4247
13 1342 1342/1342 1342 ± 0.00002389 6.799 6.532/6.977 6.746 ± 0.3685
14 1342 1342/1342 1342 ± 0.00002404 6.103 5.909/6.509 6.237 ± 0.4926
15 1342 1342/1342 1342 ± 0.00002561 6.176 5.832/6.424 6.084 ± 0.5012
16 1342 1342/1342 1342 ± 0.00006097 4.693 4.487/4.964 4.727 ± 0.4107
17 1342 1342/1342 1342 ± 0.00006003 4.781 4.507/5.012 4.762 ± 0.3611
datacolumn
residual_data
vis
VLASS3.2.sb45458712.eb46169388.60476.06293818287_split_split.ms
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-07-23 18:36:16.963
End
2025-07-23 19:49:23.203
Duration
1:13:06.240
Note, WebLog generation is not included in the time.

CASA logs for stage 8