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 5.236 5.068/6.422 5.725 ± 0.7314
ea02 1342 1342/1342 1342 ± 0.00004292 5.587 5.194/6.449 5.82 ± 0.6802
ea03 1342 1342/1342 1342 ± 0.00001191 5.035 4.881/6.372 5.582 ± 0.8288
ea04 1342 1342/1342 1342 ± 0.00004265 5.209 5.025/6.174 5.54 ± 0.6858
ea05 1342 1342/1342 1342 ± 0.00004571 5.353 5.053/6.402 5.715 ± 0.7873
ea06 1342 1342/1342 1342 ± 0.00000936 4.829 4.536/5.803 5.257 ± 0.7915
ea07 1342 1342/1342 1342 ± 0.00004257 5.344 4.99/6.321 5.663 ± 0.7222
ea08 1342 1342/1342 1342 ± 0.00004073 5.713 5.33/6.638 5.904 ± 0.7562
ea09 1342 1342/1342 1342 ± 0.00004138 4.883 4.613/5.717 5.124 ± 0.6153
ea10 1342 1342/1342 1342 ± 0.00004516 4.67 4.492/5.334 4.818 ± 0.416
ea11 1342 1342/1342 1342 ± 0.00004306 5.584 4.756/6.534 5.706 ± 0.9103
ea12 1342 1342/1342 1342 ± 0.00003951 5.212 4.849/6.045 5.465 ± 0.724
ea14 1342 1342/1342 1342 ± 0.00004299 5.896 5.287/6.558 5.842 ± 0.7439
ea15 1342 1342/1342 1342 ± 0.00004336 5.352 4.987/6.255 5.678 ± 0.7945
ea16 1342 1342/1342 1342 ± 0.00001684 5.53 5.141/6.289 5.702 ± 0.7437
ea17 1342 1342/1342 1342 ± 0.00004288 5.762 5.303/6.788 6.063 ± 0.808
ea18 1342 1342/1342 1342 ± 0.00003997 5.666 5.215/6.542 5.842 ± 0.7425
ea19 1342 1342/1342 1342 ± 0.00003104 5.259 5.072/6.208 5.664 ± 0.7497
ea20 1342 1342/1342 1342 ± 0.00002374 5.401 5.104/6.425 5.753 ± 0.7434
ea21 1342 1342/1342 1342 ± 0.000006873 4.987 4.749/5.79 5.281 ± 0.6368
ea22 1342 1342/1342 1342 ± 0.00004128 5.516 5.106/6.358 5.719 ± 0.6773
ea23 1342 1342/1342 1342 ± 0.00004259 5.751 5.108/6.505 5.853 ± 0.7639
ea24 1342 1342/1342 1342 ± 0.000003465 5.101 4.679/5.915 5.311 ± 0.6347
ea25 1342 1342/1342 1342 ± 0 5.525 5.211/6.694 5.941 ± 0.9503
ea27 1342 1342/1342 1342 ± 0.00001331 5.18 4.797/6.128 5.438 ± 0.7312
ea28 1342 1342/1342 1342 ± 0.00001907 5.33 5.076/6.559 5.74 ± 0.7619
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 ± 0.00002379 4.974 4.698/5.16 4.908 ± 0.289
5 1342 1342/1342 1342 ± 0.00002885 4.983 4.754/5.233 4.995 ± 0.34
6 1342 1342/1342 1342 ± 0.0000237 4.851 4.697/5.137 4.913 ± 0.2894
7 1342 1342/1342 1342 ± 0.0000237 5.034 4.912/5.234 5.04 ± 0.2737
8 1342 1342/1342 1342 ± 0.0000237 5.091 4.846/5.326 5.098 ± 0.3298
9 1342 1342/1342 1342 ± 0.0000243 5.344 5.156/5.555 5.297 ± 0.3463
10 1342 1342/1342 1342 ± 0.00002357 5.938 5.679/6.215 5.934 ± 0.3306
11 1342 1342/1342 1342 ± 0.00002357 6.248 6.037/6.438 6.199 ± 0.33
12 1342 1342/1342 1342 ± 0.00002357 6.437 6.196/6.581 6.358 ± 0.3634
13 1342 1342/1342 1342 ± 0.00002385 6.901 6.669/7.06 6.839 ± 0.3809
14 1342 1342/1342 1342 ± 0.00002402 6.685 6.535/7.023 6.745 ± 0.3666
15 1342 1342/1342 1342 ± 0.00004326 6.113 5.87/6.331 6.102 ± 0.3907
16 1342 1342/1342 1342 ± 0.00005792 4.813 4.664/4.991 4.828 ± 0.2571
17 1342 1342/1342 1342 ± 0.00005871 4.882 4.727/5.059 4.889 ± 0.2534
overwrite_modelcol
False
vis
VLASS3.2.sb45458712.eb46169388.60476.06293818287_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
output_dir
 
Start time
2025-07-26 14:55:52.899
End
2025-07-26 15:50:57.951
Duration
0:55:05.052
Note, WebLog generation is not included in the time.

CASA logs for stage 8