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

Statwt Summary Plot

VLASS3.2.sb45665927.eb46086746.60447.529309328704_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 6.277 5.627/6.729 6.264 ± 0.6727
ea02 1342 1342/1342 1342 ± 0 6.361 5.583/6.587 6.289 ± 0.6436
ea03 1342 1342/1342 1342 ± 0 6.386 5.6/7.049 6.405 ± 0.776
ea04 1342 1342/1342 1342 ± 0 5.729 5.173/6.154 5.754 ± 0.6084
ea05 1342 1342/1342 1342 ± 0 6.21 5.392/6.797 6.116 ± 0.7051
ea06 1342 1342/1342 1342 ± 0 6.31 5.368/6.51 6.063 ± 0.6886
ea07 1342 1342/1342 1342 ± 0 6.275 5.407/6.628 6.148 ± 0.7869
ea08 1342 1342/1342 1342 ± 0 6.747 5.768/6.95 6.522 ± 0.6958
ea09 1342 1342/1342 1342 ± 0 5.756 5.174/6.516 5.882 ± 0.7075
ea10 1342 1342/1342 1342 ± 0 5.993 5.264/6.401 5.881 ± 0.6456
ea11 1342 1342/1342 1342 ± 0 5.823 5.443/6.625 5.98 ± 0.7275
ea12 1342 1342/1342 1342 ± 0 5.781 5.254/6.4 5.877 ± 0.6353
ea13 1342 1342/1342 1342 ± 0 6.204 5.571/6.341 6.042 ± 0.5696
ea14 1342 1342/1342 1342 ± 0 6.305 5.6/6.664 6.229 ± 0.6202
ea15 1342 1342/1342 1342 ± 0 6.296 5.593/6.675 6.248 ± 0.7482
ea16 1342 1342/1342 1342 ± 0 6.425 5.905/6.932 6.505 ± 0.706
ea17 1342 1342/1342 1342 ± 0 6.351 5.841/7.241 6.501 ± 0.7684
ea18 1342 1342/1342 1342 ± 0 6.539 5.902/7.225 6.535 ± 0.7189
ea19 1342 1342/1342 1342 ± 0 6.282 5.548/6.764 6.228 ± 0.6667
ea20 1342 1342/1342 1342 ± 0 6.709 5.983/7.199 6.575 ± 0.7299
ea21 1342 1342/1342 1342 ± 0 5.602 5.233/6.089 5.709 ± 0.5334
ea22 1342 1342/1342 1342 ± 0 6.308 5.613/6.703 6.178 ± 0.6621
ea23 1342 1342/1342 1342 ± 0 6.198 5.477/6.401 6.096 ± 0.705
ea24 1342 1342/1342 1342 ± 0 6.347 5.384/6.766 6.051 ± 0.7554
ea25 1342 1342/1342 1342 ± 0 6.814 5.955/7.325 6.759 ± 0.8332
ea27 1342 1342/1342 1342 ± 0 6.22 5.38/6.664 6.1 ± 0.6988
ea28 1342 1342/1342 1342 ± 0 6.551 5.851/7.122 6.487 ± 0.7201
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 ± 0.00002305 5.535 5.334/5.707 5.543 ± 0.247
4 1342 1342/1342 1342 ± 0.00002317 5.403 5.164/5.549 5.405 ± 0.3195
5 1342 1342/1342 1342 ± 0.00002305 5.542 5.329/5.817 5.558 ± 0.2997
6 1342 1342/1342 1342 ± 0.00002305 5.407 5.028/5.564 5.361 ± 0.2925
7 1342 1342/1342 1342 ± 0.00002305 5.57 5.392/5.818 5.572 ± 0.2433
8 1342 1342/1342 1342 ± 0.00002305 5.563 5.326/5.675 5.536 ± 0.2724
9 1342 1342/1342 1342 ± 0.00002305 5.827 5.75/6.017 5.858 ± 0.2923
10 1342 1342/1342 1342 ± 0.00002305 6.336 6.268/6.421 6.322 ± 0.2594
11 1342 1342/1342 1342 ± 0.00002305 6.537 6.342/6.725 6.552 ± 0.2833
12 1342 1342/1342 1342 ± 0.00002305 6.669 6.411/6.932 6.692 ± 0.3282
13 1342 1342/1342 1342 ± 0.00002305 7.174 6.965/7.533 7.202 ± 0.3421
14 1342 1342/1342 1342 ± 0.00002305 7.432 7.182/7.67 7.414 ± 0.3413
15 1342 1342/1342 1342 ± 0.00002305 7.059 6.742/7.331 7.076 ± 0.3525
16 1342 1342/1342 1342 ± 0.00002305 6.513 6.206/6.815 6.491 ± 0.37
17 1342 1342/1342 1342 ± 0.00002305 6.494 6.236/6.698 6.423 ± 0.3657
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS3.2.sb45665927.eb46086746.60447.529309328704_split_split.ms
overwrite_modelcol
False
Start time
2025-07-29 04:26:47.223
End
2025-07-29 05:26:23.179
Duration
0:59:35.955
Note, WebLog generation is not included in the time.

CASA logs for stage 8