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

Statwt Summary Plot

VLASS3.2.sb45460397.eb46168936.60474.13114186343_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 5.478 5.232/6.29 5.622 ± 0.8757
ea02 1342 1342/1342 1342 ± 0.00001307 5.632 5.186/6.345 5.623 ± 0.888
ea03 1342 1342/1342 1342 ± 0.000003718 5.194 5.1/6.586 5.696 ± 0.8511
ea04 1342 1342/1342 1342 ± 0.00004709 5.116 4.91/6.03 5.232 ± 0.7327
ea05 1342 1342/1342 1342 ± 0.0000489 5.303 5.043/6.309 5.476 ± 0.8395
ea06 1342 1342/1342 1342 ± 0.00001881 4.874 4.791/5.876 5.274 ± 0.7255
ea07 1342 1342/1342 1342 ± 0.000009646 5.125 4.836/6.099 5.355 ± 0.8853
ea08 1342 1342/1342 1342 ± 0 5.712 5.225/6.626 5.803 ± 0.8619
ea09 1342 1342/1342 1342 ± 0.00004654 5.074 4.784/6.025 5.219 ± 0.7541
ea10 1342 1342/1342 1342 ± 0.00004417 4.88 4.441/5.875 5.012 ± 0.831
ea11 1342 1342/1342 1342 ± 0.00005005 5.175 4.509/6.274 5.256 ± 0.9125
ea12 1342 1342/1342 1342 ± 0.0000434 5.079 4.911/5.865 5.224 ± 0.7592
ea14 1342 1342/1342 1342 ± 0.00004847 5.443 5.223/6.399 5.535 ± 0.8466
ea15 1342 1342/1342 1342 ± 0.00004986 5.313 5.241/6.468 5.536 ± 0.9032
ea16 1342 1342/1342 1342 ± 0.00001983 5.643 5.139/6.562 5.782 ± 0.8284
ea17 1342 1342/1342 1342 ± 0.00002573 5.444 5.135/6.386 5.641 ± 0.9619
ea18 1342 1342/1342 1342 ± 0 5.624 5.397/6.708 5.889 ± 0.8436
ea19 1342 1342/1342 1342 ± 0.0000422 5.386 5.155/6.248 5.531 ± 0.8088
ea21 1342 1342/1342 1342 ± 0.000004798 4.923 4.799/5.761 5.184 ± 0.6506
ea22 1342 1342/1342 1342 ± 0 5.5 4.993/6.29 5.581 ± 0.7789
ea23 1342 1342/1342 1342 ± 0.00004752 5.473 5.115/6.299 5.561 ± 0.8976
ea24 1342 1342/1342 1342 ± 0.000006361 5.287 5.1/6.21 5.603 ± 0.6682
ea25 1342 1342/1342 1342 ± 0.00001126 5.571 5.263/6.759 5.995 ± 0.9348
ea27 1342 1342/1342 1342 ± 0.000005719 5.265 4.939/6.358 5.515 ± 0.7768
ea28 1342 1342/1342 1342 ± 0.000007003 5.666 5.541/6.761 5.94 ± 0.8088
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 5.129 4.941/5.236 5.065 ± 0.3012
4 1342 1342/1342 1342 ± 0.00005478 3.398 3.314/3.497 3.452 ± 0.2574
5 1342 1342/1342 1342 ± 0.00002436 5.106 4.814/5.298 5.087 ± 0.3299
6 1342 1342/1342 1342 ± 0.00002392 5.123 4.916/5.363 5.126 ± 0.2685
7 1342 1342/1342 1342 ± 0.00002392 5.185 5.065/5.304 5.161 ± 0.2347
8 1342 1342/1342 1342 ± 0.00002392 5.136 4.937/5.276 5.107 ± 0.2582
9 1342 1342/1342 1342 ± 0.00002392 5.458 5.264/5.652 5.427 ± 0.2629
10 1342 1342/1342 1342 ± 0.00002392 6.02 5.876/6.173 5.989 ± 0.2566
11 1342 1342/1342 1342 ± 0.00002392 6.309 6.096/6.402 6.275 ± 0.2628
12 1342 1342/1342 1342 ± 0.00002392 6.471 6.306/6.619 6.44 ± 0.3013
13 1342 1342/1342 1342 ± 0.00002392 6.719 6.394/7.051 6.723 ± 0.348
14 1342 1342/1342 1342 ± 0.00005309 5.885 5.521/6.282 5.984 ± 0.6285
15 1342 1342/1342 1342 ± 0.00002392 6.566 6.259/6.9 6.593 ± 0.3714
16 1342 1342/1342 1342 ± 0.00006097 4.123 3.886/4.541 4.227 ± 0.4218
17 1342 1342/1342 1342 ± 0.00006089 4.13 3.956/4.438 4.219 ± 0.3583
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS3.2.sb45460397.eb46168936.60474.13114186343_split_split.ms
output_dir
 
statwtmode
VLASS-SE
Start time
2025-07-22 17:39:44.768
End
2025-07-22 18:34:40.212
Duration
0:54:55.444
Note, WebLog generation is not included in the time.

CASA logs for stage 8