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

Statwt Summary Plot

VLASS3.2.sb45489670.eb46132517.60459.18880607639_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 5.724 5.624/6.64 5.934 ± 0.7337
ea02 1342 1342/1342 1342 ± 0 6.023 5.583/6.501 6.062 ± 0.7673
ea03 1342 1342/1342 1342 ± 0 6.099 5.459/6.758 6.032 ± 0.7475
ea04 1342 1342/1342 1342 ± 0.00002428 5.331 5.027/6.001 5.428 ± 0.6173
ea05 1342 1342/1342 1342 ± 0.00002067 5.605 5.273/6.389 5.762 ± 0.7407
ea06 1342 1342/1342 1342 ± 0 5.642 5.125/6.119 5.675 ± 0.6735
ea07 1342 1342/1342 1342 ± 0 5.726 5.112/6.209 5.686 ± 0.7997
ea08 1342 1342/1342 1342 ± 0 6.006 5.46/6.664 6.042 ± 0.7589
ea09 1342 1342/1342 1342 ± 0 5.617 5.163/6.304 5.661 ± 0.652
ea10 1342 1342/1342 1342 ± 0 5.369 5.183/6.192 5.601 ± 0.6108
ea11 1342 1342/1342 1342 ± 0.00004406 5.558 5.006/6.424 5.591 ± 0.8534
ea12 1342 1342/1342 1342 ± 0.00003558 5.477 5.259/6.334 5.634 ± 0.6759
ea14 1342 1342/1342 1342 ± 0.000004835 5.729 5.532/6.525 5.947 ± 0.6492
ea15 1342 1342/1342 1342 ± 0.00003428 5.803 5.621/6.751 6.021 ± 0.825
ea16 1342 1342/1342 1342 ± 0.000007148 6.028 5.699/6.758 6.157 ± 0.7221
ea17 1342 1342/1342 1342 ± 0 6.002 5.682/7.099 6.198 ± 0.7302
ea18 1342 1342/1342 1342 ± 0 6.392 5.851/7.031 6.358 ± 0.791
ea19 1342 1342/1342 1342 ± 0.00001884 5.626 5.407/6.7 5.873 ± 0.7478
ea20 1342 1342/1342 1342 ± 0 6.256 5.915/7.012 6.361 ± 0.7888
ea22 1342 1342/1342 1342 ± 0 5.625 5.263/6.273 5.666 ± 0.6093
ea23 1342 1342/1342 1342 ± 0 5.694 5.446/6.434 5.908 ± 0.7228
ea24 1342 1342/1342 1342 ± 0 6.176 5.243/6.583 5.909 ± 0.7838
ea25 1342 1342/1342 1342 ± 0 6.515 5.626/6.956 6.342 ± 0.893
ea27 1342 1342/1342 1342 ± 0.000002163 5.637 5.447/6.526 5.823 ± 0.7079
ea28 1342 1342/1342 1342 ± 0 6.326 5.806/7.105 6.334 ± 0.8078
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 ± 0.00002392 5.469 5.286/5.701 5.506 ± 0.2776
3 1342 1342/1342 1342 ± 0.00002676 4.051 3.782/4.382 4.146 ± 0.4614
4 1342 1342/1342 1342 ± 0.00003612 4.661 4.418/4.849 4.656 ± 0.3012
5 1342 1342/1342 1342 ± 0.00002392 5.468 5.216/5.751 5.47 ± 0.3115
6 1342 1342/1342 1342 ± 0.00002392 5.435 5.183/5.608 5.381 ± 0.2508
7 1342 1342/1342 1342 ± 0.00002392 5.456 5.262/5.639 5.449 ± 0.2573
8 1342 1342/1342 1342 ± 0.00002392 5.448 5.217/5.641 5.44 ± 0.2941
9 1342 1342/1342 1342 ± 0.00002392 5.722 5.536/5.942 5.731 ± 0.2902
10 1342 1342/1342 1342 ± 0.00002392 6.23 6.051/6.328 6.211 ± 0.2646
11 1342 1342/1342 1342 ± 0.00002392 6.482 6.165/6.591 6.446 ± 0.2853
12 1342 1342/1342 1342 ± 0.00002392 6.619 6.412/6.76 6.615 ± 0.3252
13 1342 1342/1342 1342 ± 0.00002392 7.037 6.837/7.317 7.067 ± 0.352
14 1342 1342/1342 1342 ± 0.00002396 6.904 6.605/7.255 6.955 ± 0.4513
15 1342 1342/1342 1342 ± 0.00002392 6.858 6.552/7.089 6.817 ± 0.3361
16 1342 1342/1342 1342 ± 0.00004198 5.661 5.444/6.068 5.785 ± 0.4542
17 1342 1342/1342 1342 ± 0.00004427 5.705 5.549/6.105 5.811 ± 0.3787
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS3.2.sb45489670.eb46132517.60459.18880607639_split_split.ms
output_dir
 
overwrite_modelcol
False
Start time
2025-07-31 01:55:19.162
End
2025-07-31 02:43:31.781
Duration
0:48:12.619
Note, WebLog generation is not included in the time.

CASA logs for stage 8