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

Statwt Summary Plot

VLASS2.2.sb40528187.eb40882891.59510.17895375_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 6.087 5.764/6.668 6.293 ± 0.598
ea02 1342 1342/1342 1342 ± 0.00002955 6.18 5.546/6.721 6.102 ± 0.8785
ea03 1342 1342/1342 1342 ± 0 5.548 5.223/6.463 5.744 ± 0.8172
ea04 1342 1342/1342 1342 ± 0 5.824 5.392/6.554 5.934 ± 0.6305
ea06 1342 1342/1342 1342 ± 0.000004017 6.101 5.694/6.6 6.209 ± 0.5892
ea07 1342 1342/1342 1342 ± 0 6.102 5.56/6.49 6.133 ± 0.6165
ea08 1342 1342/1342 1342 ± 0.00000116 6.182 5.803/6.869 6.371 ± 0.7068
ea09 1342 1342/1342 1342 ± 0 6.058 5.541/6.81 6.169 ± 0.6922
ea10 1342 1342/1342 1342 ± 0 6.272 5.637/6.83 6.162 ± 0.7041
ea11 1342 1342/1342 1342 ± 0 6.273 5.505/6.734 6.206 ± 0.7515
ea12 1342 1342/1342 1342 ± 0 6.156 5.646/6.712 6.229 ± 0.7738
ea13 1342 1342/1342 1342 ± 0 6.039 5.768/6.509 6.164 ± 0.5786
ea14 1342 1342/1342 1342 ± 0 6.422 5.823/6.871 6.454 ± 0.6675
ea15 1342 1342/1342 1342 ± 0 5.647 5.081/5.997 5.585 ± 0.7029
ea16 1342 1342/1342 1342 ± 0 6.224 5.782/6.82 6.341 ± 0.7312
ea17 1342 1342/1342 1342 ± 0 6.575 6.232/7.311 6.792 ± 0.6656
ea18 1342 1342/1342 1342 ± 0 4.549 4.29/4.923 4.619 ± 0.4348
ea19 1342 1342/1342 1342 ± 0 6.386 5.904/6.988 6.496 ± 0.7161
ea20 1342 1342/1342 1342 ± 0 6.067 5.741/6.747 6.187 ± 0.7361
ea21 1342 1342/1342 1342 ± 0 6.052 5.703/6.659 6.201 ± 0.6085
ea22 1342 1342/1342 1342 ± 0 6.387 5.6/6.807 6.249 ± 0.7151
ea23 1342 1342/1342 1342 ± 0 6.269 5.788/6.72 6.304 ± 0.7878
ea24 1342 1342/1342 1342 ± 0 6.016 5.263/6.431 5.863 ± 0.5879
ea25 1342 1342/1342 1342 ± 0 6.664 5.818/7.158 6.588 ± 0.7949
ea26 1342 1342/1342 1342 ± 0 6.455 5.945/7.232 6.547 ± 0.7149
ea27 1342 1342/1342 1342 ± 0 5.976 5.631/6.904 6.182 ± 0.7656
ea28 1342 1342/1342 1342 ± 0 6.198 5.873/7.025 6.437 ± 0.7778
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 ± 0.00002306 5.755 5.532/5.995 5.695 ± 0.3578
3 1342 1342/1342 1342 ± 0.00002661 4.957 4.606/5.335 4.953 ± 0.6063
4 1342 1342/1342 1342 ± 0.00002466 5.524 5.169/5.705 5.422 ± 0.4917
5 1342 1342/1342 1342 ± 0.00002306 5.764 5.426/5.879 5.645 ± 0.416
6 1342 1342/1342 1342 ± 0.00002306 5.662 5.404/5.835 5.584 ± 0.3436
7 1342 1342/1342 1342 ± 0.00002306 5.714 5.491/5.814 5.628 ± 0.3461
8 1342 1342/1342 1342 ± 0.00002306 5.624 5.365/5.824 5.57 ± 0.3797
9 1342 1342/1342 1342 ± 0.00002306 5.985 5.76/6.121 5.888 ± 0.4106
10 1342 1342/1342 1342 ± 0.00002306 6.441 6.26/6.537 6.317 ± 0.4239
11 1342 1342/1342 1342 ± 0.00002306 6.633 6.457/6.776 6.545 ± 0.4283
12 1342 1342/1342 1342 ± 0.00002306 6.792 6.547/6.844 6.688 ± 0.4646
13 1342 1342/1342 1342 ± 0.00002306 7.251 7.017/7.492 7.183 ± 0.4968
14 1342 1342/1342 1342 ± 0.00002306 7.485 7.314/7.741 7.414 ± 0.506
15 1342 1342/1342 1342 ± 0.00002306 7.099 6.936/7.346 7.056 ± 0.472
16 1342 1342/1342 1342 ± 0.00002325 6.399 6.197/6.701 6.377 ± 0.4547
17 1342 1342/1342 1342 ± 0.00002308 6.457 6.08/6.603 6.32 ± 0.4779
overwrite_modelcol
False
statwtmode
VLASS-SE
vis
VLASS2.2.sb40528187.eb40882891.59510.17895375_split_split.ms
datacolumn
residual_data
output_dir
 
Start time
2025-05-23 17:13:55.041
End
2025-05-23 18:16:38.118
Duration
1:02:43.077
Note, WebLog generation is not included in the time.

CASA logs for stage 8