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 5.721 5.566/6.529 5.849 ± 0.7568
ea02 1342 1342/1342 1342 ± 0 5.991 5.517/6.439 5.982 ± 0.7959
ea03 1342 1342/1342 1342 ± 0 6.02 5.408/6.696 5.952 ± 0.7188
ea04 1342 1342/1342 1342 ± 0.000004074 5.273 4.928/5.909 5.308 ± 0.6601
ea05 1342 1342/1342 1342 ± 0.000002436 5.546 5.183/6.279 5.625 ± 0.7652
ea06 1342 1342/1342 1342 ± 0 5.6 5.049/6.008 5.555 ± 0.6607
ea07 1342 1342/1342 1342 ± 0 5.697 5.06/6.114 5.592 ± 0.811
ea08 1342 1342/1342 1342 ± 0 5.924 5.397/6.522 5.941 ± 0.7466
ea09 1342 1342/1342 1342 ± 0 5.621 5.055/6.253 5.623 ± 0.6789
ea10 1342 1342/1342 1342 ± 0 5.273 5.011/6.061 5.423 ± 0.6582
ea11 1342 1342/1342 1342 ± 0.00003337 5.488 4.843/6.271 5.456 ± 0.87
ea12 1342 1342/1342 1342 ± 0.00001382 5.382 5.134/6.211 5.512 ± 0.7207
ea14 1342 1342/1342 1342 ± 0 5.632 5.407/6.409 5.788 ± 0.6981
ea15 1342 1342/1342 1342 ± 0.0000175 5.865 5.512/6.623 5.942 ± 0.8576
ea16 1342 1342/1342 1342 ± 0 5.997 5.578/6.625 6.032 ± 0.7006
ea17 1342 1342/1342 1342 ± 0 5.98 5.632/6.96 6.068 ± 0.7488
ea18 1342 1342/1342 1342 ± 0 6.376 5.795/6.992 6.273 ± 0.7853
ea19 1342 1342/1342 1342 ± 0.000002882 5.619 5.319/6.496 5.776 ± 0.753
ea20 1342 1342/1342 1342 ± 0 6.392 5.811/6.948 6.265 ± 0.8058
ea22 1342 1342/1342 1342 ± 0 5.514 5.174/6.101 5.532 ± 0.5959
ea23 1342 1342/1342 1342 ± 0.000007668 5.575 5.36/6.326 5.757 ± 0.768
ea24 1342 1342/1342 1342 ± 0 6.124 5.072/6.517 5.778 ± 0.8049
ea25 1342 1342/1342 1342 ± 0 6.405 5.578/6.864 6.26 ± 0.8661
ea27 1342 1342/1342 1342 ± 0.000001887 5.581 5.27/6.425 5.706 ± 0.7232
ea28 1342 1342/1342 1342 ± 0 6.402 5.752/7.041 6.266 ± 0.8441
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 ± 0.00002394 5.429 5.255/5.685 5.467 ± 0.3038
3 1342 1342/1342 1342 ± 0.00002618 3.811 3.563/4.308 3.969 ± 0.5474
4 1342 1342/1342 1342 ± 0.00003133 4.545 4.305/4.717 4.527 ± 0.2999
5 1342 1342/1342 1342 ± 0.00002394 5.411 5.083/5.681 5.409 ± 0.3245
6 1342 1342/1342 1342 ± 0.00002394 5.259 5.036/5.457 5.225 ± 0.258
7 1342 1342/1342 1342 ± 0.00002394 5.369 5.156/5.562 5.365 ± 0.261
8 1342 1342/1342 1342 ± 0.00002394 5.373 5.124/5.518 5.352 ± 0.2998
9 1342 1342/1342 1342 ± 0.00002394 5.629 5.459/5.877 5.641 ± 0.2933
10 1342 1342/1342 1342 ± 0.00002394 6.12 5.927/6.235 6.103 ± 0.2593
11 1342 1342/1342 1342 ± 0.00002394 6.372 6.061/6.483 6.334 ± 0.2801
12 1342 1342/1342 1342 ± 0.00002394 6.503 6.31/6.65 6.506 ± 0.3257
13 1342 1342/1342 1342 ± 0.00002394 6.91 6.743/7.145 6.946 ± 0.3514
14 1342 1342/1342 1342 ± 0.00002394 6.747 6.508/7.114 6.819 ± 0.4582
15 1342 1342/1342 1342 ± 0.00002394 6.743 6.424/6.995 6.701 ± 0.3389
16 1342 1342/1342 1342 ± 0.00002794 5.82 5.443/6.123 5.822 ± 0.4852
17 1342 1342/1342 1342 ± 0.00003093 5.722 5.443/6.024 5.758 ± 0.4128
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
vis
VLASS3.2.sb45489670.eb46132517.60459.18880607639_split_split.ms
overwrite_modelcol
False
Start time
2025-07-31 05:33:40.895
End
2025-07-31 06:43:12.776
Duration
1:09:31.881
Note, WebLog generation is not included in the time.

CASA logs for stage 8