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 5.317 5.049/5.994 5.327 ± 0.8436
ea02 1342 1342/1342 1342 ± 0.00003445 5.006 4.769/6.111 5.235 ± 0.8833
ea03 1342 1342/1342 1342 ± 0.000001557 5.152 4.979/5.819 5.34 ± 0.6719
ea04 1342 1342/1342 1342 ± 0.00004174 4.891 4.48/5.666 4.896 ± 0.7118
ea05 1342 1342/1342 1342 ± 0.00004322 5.137 4.802/5.991 5.203 ± 0.8478
ea06 1342 1342/1342 1342 ± 0.00001409 4.745 4.567/5.559 4.889 ± 0.6669
ea07 1342 1342/1342 1342 ± 0.00003806 4.801 4.584/5.793 4.991 ± 0.786
ea08 1342 1342/1342 1342 ± 0.0000195 5.323 5.023/6.41 5.434 ± 0.9504
ea09 1342 1342/1342 1342 ± 0.00003933 4.834 4.625/5.306 4.918 ± 0.6865
ea10 1342 1342/1342 1342 ± 0.00001416 2.683 2.591/2.925 2.736 ± 0.2126
ea11 1342 1342/1342 1342 ± 0.00004705 5.006 4.358/5.847 4.977 ± 0.9
ea12 1342 1342/1342 1342 ± 0.00003891 4.846 4.399/5.51 4.801 ± 0.7199
ea14 1342 1342/1342 1342 ± 0.00004212 5.181 4.758/6.062 5.21 ± 0.8395
ea15 1342 1342/1342 1342 ± 0.00004467 5.256 4.979/6.325 5.397 ± 0.9121
ea16 1342 1342/1342 1342 ± 0.00001315 5.449 4.998/6.193 5.42 ± 0.8268
ea17 1342 1342/1342 1342 ± 0.00003788 5.349 4.834/6.269 5.394 ± 0.9205
ea18 1342 1342/1342 1342 ± 0.00001324 5.34 5.106/6.216 5.409 ± 0.9348
ea19 1342 1342/1342 1342 ± 0.00002183 5.104 4.686/6.041 5.177 ± 0.8331
ea20 1342 1342/1342 1342 ± 0.00001537 5.5 5.225/6.244 5.701 ± 0.717
ea21 1342 1342/1342 1342 ± 0.000005609 4.881 4.64/5.397 4.952 ± 0.5468
ea22 1342 1342/1342 1342 ± 0.00002558 5.212 4.729/6.094 5.199 ± 0.8752
ea23 1342 1342/1342 1342 ± 0.00004182 5.342 4.847/6.126 5.3 ± 0.8881
ea24 1342 1342/1342 1342 ± 0.000004667 5.098 4.896/6.029 5.353 ± 0.6702
ea25 1342 1342/1342 1342 ± 0.000009815 5.716 5.056/6.353 5.712 ± 0.7648
ea27 1342 1342/1342 1342 ± 0.000005827 4.981 4.582/5.843 5.065 ± 0.8098
ea28 1342 1342/1342 1342 ± 0.000008076 5.528 5.396/6.481 5.784 ± 0.6995
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 4.901 4.665/5.109 4.824 ± 0.5002
5 1342 1342/1342 1342 ± 0.00002433 4.862 4.528/5.059 4.77 ± 0.5313
6 1342 1342/1342 1342 ± 0.00002393 4.999 4.738/5.228 4.9 ± 0.5234
7 1342 1342/1342 1342 ± 0.00002348 5.086 4.858/5.25 4.975 ± 0.5189
8 1342 1342/1342 1342 ± 0.00002348 5.001 4.79/5.166 4.915 ± 0.5365
9 1342 1342/1342 1342 ± 0.00002348 5.34 5.125/5.499 5.206 ± 0.5602
10 1342 1342/1342 1342 ± 0.00002348 5.865 5.619/5.921 5.687 ± 0.6209
11 1342 1342/1342 1342 ± 0.00002348 6.101 5.792/6.269 5.953 ± 0.653
12 1342 1342/1342 1342 ± 0.00002348 6.245 5.894/6.417 6.116 ± 0.6771
13 1342 1342/1342 1342 ± 0.00002348 6.311 6.042/6.643 6.236 ± 0.7657
14 1342 1342/1342 1342 ± 0.00003265 4.714 4.471/5.225 4.902 ± 0.8511
15 1342 1342/1342 1342 ± 0.0000235 5.979 5.607/6.334 5.842 ± 0.8126
16 1342 1342/1342 1342 ± 0.00006093 3.765 3.661/4.143 3.941 ± 0.4826
17 1342 1342/1342 1342 ± 0.00006101 3.641 3.503/3.918 3.778 ± 0.3937
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
vis
VLASS3.2.sb45486206.eb46169366.60475.03141015046_split_split.ms
datacolumn
residual_data
Start time
2025-08-03 07:48:17.885
End
2025-08-03 08:19:59.044
Duration
0:31:41.159
Note, WebLog generation is not included in the time.

CASA logs for stage 8