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 5.486 5.363/6.258 5.62 ± 0.853
ea02 1342 1342/1342 1342 ± 0.00003752 5.405 5.174/6.272 5.54 ± 0.758
ea03 1342 1342/1342 1342 ± 0.000003531 5.208 4.993/5.922 5.443 ± 0.6221
ea04 1342 1342/1342 1342 ± 0.00004224 5.072 4.763/5.902 5.165 ± 0.6944
ea05 1342 1342/1342 1342 ± 0.00004379 5.298 5.043/6.217 5.411 ± 0.8163
ea06 1342 1342/1342 1342 ± 0.000009405 5.194 4.743/5.828 5.172 ± 0.6465
ea07 1342 1342/1342 1342 ± 0.00003746 5.096 4.876/6.158 5.382 ± 0.767
ea08 1342 1342/1342 1342 ± 0.00001159 5.51 5.186/6.644 5.698 ± 0.8974
ea09 1342 1342/1342 1342 ± 0.00003675 5.11 4.891/5.494 5.215 ± 0.6865
ea10 1342 1342/1342 1342 ± 0.00004274 4.463 4.134/4.942 4.417 ± 0.533
ea11 1342 1342/1342 1342 ± 0.00004657 5.53 4.937/6.41 5.505 ± 0.9383
ea12 1342 1342/1342 1342 ± 0.00003654 5.038 4.736/5.746 5.085 ± 0.7004
ea14 1342 1342/1342 1342 ± 0.00004272 5.386 5.091/6.347 5.528 ± 0.797
ea15 1342 1342/1342 1342 ± 0.00004483 5.355 5.302/6.368 5.551 ± 0.9146
ea16 1342 1342/1342 1342 ± 0.000009845 5.565 5.107/6.212 5.567 ± 0.7715
ea17 1342 1342/1342 1342 ± 0.00003919 5.642 5.167/6.492 5.743 ± 0.8853
ea18 1342 1342/1342 1342 ± 0.000009216 5.626 5.308/6.574 5.689 ± 0.8851
ea19 1342 1342/1342 1342 ± 0.00001752 5.301 5.107/6.175 5.39 ± 0.7891
ea20 1342 1342/1342 1342 ± 0.0000119 5.8 5.486/6.768 6.053 ± 0.752
ea21 1342 1342/1342 1342 ± 0.000004168 4.78 4.571/5.417 4.928 ± 0.5284
ea22 1342 1342/1342 1342 ± 0.00002391 5.435 5.014/6.254 5.462 ± 0.8088
ea23 1342 1342/1342 1342 ± 0.00004215 5.567 5.055/6.37 5.607 ± 0.8408
ea24 1342 1342/1342 1342 ± 0.000001887 5.18 4.917/6.173 5.48 ± 0.6979
ea25 1342 1342/1342 1342 ± 0.000006111 5.61 5.11/6.321 5.741 ± 0.7295
ea27 1342 1342/1342 1342 ± 0.000004811 5.081 4.91/6.168 5.261 ± 0.8072
ea28 1342 1342/1342 1342 ± 0.000006254 5.786 5.566/6.628 6.008 ± 0.6943
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 ± 0.00002354 5.113 4.915/5.301 5.1 ± 0.2984
5 1342 1342/1342 1342 ± 0.00002854 4.944 4.717/5.271 4.962 ± 0.3615
6 1342 1342/1342 1342 ± 0.00002354 5.056 4.922/5.396 5.101 ± 0.3118
7 1342 1342/1342 1342 ± 0.00002354 5.155 4.983/5.356 5.164 ± 0.3043
8 1342 1342/1342 1342 ± 0.00002354 5.12 4.941/5.385 5.159 ± 0.3572
9 1342 1342/1342 1342 ± 0.00002354 5.468 5.212/5.772 5.459 ± 0.3576
10 1342 1342/1342 1342 ± 0.00002354 5.935 5.741/6.146 5.911 ± 0.3667
11 1342 1342/1342 1342 ± 0.00002354 6.22 6.123/6.489 6.193 ± 0.3754
12 1342 1342/1342 1342 ± 0.00002354 6.441 6.204/6.536 6.352 ± 0.4176
13 1342 1342/1342 1342 ± 0.00002396 6.642 6.429/6.912 6.644 ± 0.4112
14 1342 1342/1342 1342 ± 0.00003066 5.219 4.99/5.661 5.449 ± 0.6882
15 1342 1342/1342 1342 ± 0.00002354 6.245 5.91/6.565 6.172 ± 0.5428
16 1342 1342/1342 1342 ± 0.00006089 4.173 3.999/4.387 4.282 ± 0.4547
17 1342 1342/1342 1342 ± 0.00006061 4.083 3.918/4.275 4.158 ± 0.3795
statwtmode
VLASS-SE
vis
VLASS3.2.sb45458712.eb46169388.60476.06293818287_split_split.ms
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-07-23 23:37:47.241
End
2025-07-24 00:28:21.316
Duration
0:50:34.075
Note, WebLog generation is not included in the time.

CASA logs for stage 8