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

Statwt Summary Plot

VLASS2.1.sb38523814.eb38632964.59098.28982543982_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 5.851 5.531/6.308 5.935 ± 0.5544
ea02 1342 1342/1342 1342 ± 0 5.87 5.411/6.704 6.057 ± 0.6859
ea04 1342 1342/1342 1342 ± 0 5.365 4.822/5.95 5.405 ± 0.6543
ea05 1342 1342/1342 1342 ± 0.000008547 5.775 4.953/6.328 5.598 ± 0.6801
ea06 1342 1342/1342 1342 ± 0 4.721 4.305/5.116 4.723 ± 0.4447
ea07 1342 1342/1342 1342 ± 0 6.193 5.507/6.494 6.153 ± 0.6482
ea08 1342 1342/1342 1342 ± 0.000009664 5.923 5.591/6.899 6.242 ± 0.736
ea09 1342 1342/1342 1342 ± 0 5.413 5.016/6.396 5.629 ± 0.6838
ea10 1342 1342/1342 1342 ± 0 6.092 5.342/6.826 6.103 ± 0.7656
ea11 1342 1342/1342 1342 ± 0 6.075 5.323/6.544 6.026 ± 0.7059
ea12 1342 1342/1342 1342 ± 0 5.808 5.16/6.334 5.825 ± 0.6746
ea13 1342 1342/1342 1342 ± 0 5.849 5.313/6.169 5.823 ± 0.611
ea14 1342 1342/1342 1342 ± 0 5.995 5.201/6.378 5.89 ± 0.6861
ea15 1342 1342/1342 1342 ± 0 5.492 4.688/6.015 5.428 ± 0.7646
ea16 1342 1342/1342 1342 ± 0 6.09 5.449/6.687 6.193 ± 0.7771
ea17 1342 1342/1342 1342 ± 0.000008836 6.216 5.573/7.052 6.276 ± 0.7548
ea18 1342 1342/1342 1342 ± 0 5.192 4.708/5.775 5.256 ± 0.5488
ea19 1342 1342/1342 1342 ± 0 6.025 5.252/6.616 6.008 ± 0.7581
ea20 1342 1342/1342 1342 ± 0 6.285 5.562/6.839 6.179 ± 0.6937
ea21 1342 1342/1342 1342 ± 0 5.718 5.065/6.245 5.684 ± 0.6589
ea22 1342 1342/1342 1342 ± 0 5.436 5.071/6.268 5.654 ± 0.6448
ea23 1342 1342/1342 1342 ± 0 6.182 5.536/6.768 6.209 ± 0.7425
ea25 1342 1342/1342 1342 ± 0 5.881 5.325/6.424 5.89 ± 0.6567
ea26 1342 1342/1342 1342 ± 0 5.756 5.271/6.722 5.956 ± 0.7436
ea27 1342 1342/1342 1342 ± 0.00002881 5.721 5.524/6.7 5.966 ± 0.6765
ea28 1342 1342/1342 1342 ± 0.00002566 5.882 5.57/6.816 6.145 ± 0.7104
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 ± 0.00002352 5.248 5.012/5.508 5.226 ± 0.3403
3 1342 1342/1342 1342 ± 0.00002495 5.213 5.054/5.402 5.179 ± 0.3047
4 1342 1342/1342 1342 ± 0.00002752 5.14 4.773/5.412 5.087 ± 0.377
5 1342 1342/1342 1342 ± 0.00002352 5.2 5.015/5.515 5.219 ± 0.3936
6 1342 1342/1342 1342 ± 0.00002352 5.225 5.015/5.478 5.181 ± 0.3629
7 1342 1342/1342 1342 ± 0.00002352 5.336 5.093/5.479 5.229 ± 0.3262
8 1342 1342/1342 1342 ± 0.00002352 5.3 5.015/5.497 5.219 ± 0.3479
9 1342 1342/1342 1342 ± 0.00002352 5.611 5.317/5.882 5.532 ± 0.417
10 1342 1342/1342 1342 ± 0.00002352 6.091 5.813/6.318 6.023 ± 0.3899
11 1342 1342/1342 1342 ± 0.00002352 6.361 6.078/6.545 6.26 ± 0.403
12 1342 1342/1342 1342 ± 0.00002352 6.51 6.27/6.728 6.442 ± 0.4183
13 1342 1342/1342 1342 ± 0.00002352 7.048 6.716/7.169 6.915 ± 0.4394
14 1342 1342/1342 1342 ± 0.00002352 7.193 6.803/7.456 7.1 ± 0.502
15 1342 1342/1342 1342 ± 0.00002352 6.756 6.444/6.974 6.664 ± 0.4573
16 1342 1342/1342 1342 ± 0.00003233 5.948 5.745/6.216 5.939 ± 0.3784
17 1342 1342/1342 1342 ± 0.00003141 5.943 5.703/6.184 5.912 ± 0.3754
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.1.sb38523814.eb38632964.59098.28982543982_split_split.ms
output_dir
 
Start time
2025-01-07 09:54:10.287
End
2025-01-07 11:00:53.810
Duration
1:06:43.524
Note, WebLog generation is not included in the time.

CASA logs for stage 8