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 5.384/6.25 5.689 ± 0.7782
ea02 1342 1342/1342 1342 ± 0.00003094 5.458 5.28/6.293 5.626 ± 0.6799
ea03 1342 1342/1342 1342 ± 0 5.241 5.05/6.14 5.537 ± 0.607
ea04 1342 1342/1342 1342 ± 0.0000374 5.11 4.779/5.908 5.234 ± 0.6342
ea05 1342 1342/1342 1342 ± 0.00004164 5.311 5.062/6.215 5.468 ± 0.7615
ea06 1342 1342/1342 1342 ± 0.000002731 5.304 4.762/5.755 5.261 ± 0.5726
ea07 1342 1342/1342 1342 ± 0.00002811 5.348 4.911/6.161 5.46 ± 0.7033
ea08 1342 1342/1342 1342 ± 0.00001019 5.524 5.332/6.64 5.76 ± 0.8071
ea09 1342 1342/1342 1342 ± 0.00002627 5.17 4.854/5.657 5.304 ± 0.6117
ea10 1342 1342/1342 1342 ± 0.00003892 4.469 4.146/4.959 4.47 ± 0.4707
ea11 1342 1342/1342 1342 ± 0.00004466 5.567 4.977/6.422 5.597 ± 0.88
ea12 1342 1342/1342 1342 ± 0.00002744 5.077 4.75/5.765 5.165 ± 0.6381
ea14 1342 1342/1342 1342 ± 0.00003994 5.429 5.265/6.352 5.607 ± 0.7169
ea15 1342 1342/1342 1342 ± 0.00004354 5.556 5.337/6.351 5.642 ± 0.8268
ea16 1342 1342/1342 1342 ± 0.000001707 5.606 5.139/6.237 5.686 ± 0.6926
ea17 1342 1342/1342 1342 ± 0.00003331 5.644 5.188/6.512 5.834 ± 0.8066
ea18 1342 1342/1342 1342 ± 0.0000121 5.659 5.348/6.575 5.748 ± 0.8196
ea19 1342 1342/1342 1342 ± 0.00001006 5.339 5.126/6.191 5.474 ± 0.7227
ea20 1342 1342/1342 1342 ± 0.00000405 5.878 5.58/6.799 6.138 ± 0.7298
ea21 1342 1342/1342 1342 ± 0 4.801 4.628/5.424 4.993 ± 0.5282
ea22 1342 1342/1342 1342 ± 0.0000148 5.479 5.043/6.279 5.55 ± 0.7065
ea23 1342 1342/1342 1342 ± 0.00003683 5.594 5.114/6.368 5.687 ± 0.769
ea24 1342 1342/1342 1342 ± 0 5.343 4.989/6.151 5.535 ± 0.6441
ea25 1342 1342/1342 1342 ± 0 5.637 5.189/6.288 5.841 ± 0.7423
ea27 1342 1342/1342 1342 ± 0 5.116 4.934/6.075 5.335 ± 0.7463
ea28 1342 1342/1342 1342 ± 0 5.794 5.612/6.637 6.056 ± 0.6817
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 5.19 4.944/5.328 5.14 ± 0.2985
5 1342 1342/1342 1342 ± 0.0000283 4.997 4.731/5.264 5.023 ± 0.3435
6 1342 1342/1342 1342 ± 0.00002348 5.079 4.93/5.433 5.12 ± 0.3148
7 1342 1342/1342 1342 ± 0.00002348 5.189 5.029/5.383 5.195 ± 0.3056
8 1342 1342/1342 1342 ± 0.00002348 5.152 4.964/5.383 5.182 ± 0.3593
9 1342 1342/1342 1342 ± 0.00002348 5.494 5.244/5.797 5.483 ± 0.3557
10 1342 1342/1342 1342 ± 0.00002348 5.951 5.73/6.156 5.926 ± 0.3688
11 1342 1342/1342 1342 ± 0.00002348 6.238 6.144/6.493 6.204 ± 0.3775
12 1342 1342/1342 1342 ± 0.00002348 6.444 6.202/6.546 6.362 ± 0.4187
13 1342 1342/1342 1342 ± 0.00002388 6.713 6.473/6.974 6.709 ± 0.4048
14 1342 1342/1342 1342 ± 0.00002548 5.556 5.289/5.973 5.75 ± 0.6568
15 1342 1342/1342 1342 ± 0.00002348 6.215 5.864/6.555 6.147 ± 0.5341
16 1342 1342/1342 1342 ± 0.00005874 4.469 4.24/4.721 4.553 ± 0.4701
17 1342 1342/1342 1342 ± 0.00005731 4.376 4.184/4.637 4.432 ± 0.3659
statwtmode
VLASS-SE
vis
VLASS3.2.sb45458712.eb46169388.60476.06293818287_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
Start time
2025-07-23 19:33:35.465
End
2025-07-23 20:36:01.684
Duration
1:02:26.219
Note, WebLog generation is not included in the time.

CASA logs for stage 8