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

Statwt Summary Plot

VLASS2.1.sb38610763.eb38659643.59111.9147512037_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 5.548 5.176/6.019 5.645 ± 0.5671
ea02 1342 1342/1342 1342 ± 0 5.52 5.161/6.186 5.713 ± 0.6458
ea04 1342 1342/1342 1342 ± 0 5.201 4.908/5.832 5.393 ± 0.5702
ea05 1342 1342/1342 1342 ± 0 5.491 5.017/5.911 5.528 ± 0.5796
ea06 1342 1342/1342 1342 ± 0 4.91 4.615/5.303 4.98 ± 0.4042
ea07 1342 1342/1342 1342 ± 0 5.893 5.36/6.125 5.872 ± 0.5913
ea08 1342 1342/1342 1342 ± 0 5.758 5.512/6.576 6.062 ± 0.6785
ea09 1342 1342/1342 1342 ± 0 5.271 4.788/5.876 5.368 ± 0.6314
ea10 1342 1342/1342 1342 ± 0 6.011 5.322/6.693 5.954 ± 0.7113
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.659 5.252/6.348 5.851 ± 0.6636
ea13 1342 1342/1342 1342 ± 0 5.858 5.165/6.109 5.674 ± 0.5859
ea14 1342 1342/1342 1342 ± 0 5.671 5.159/6.317 5.755 ± 0.7118
ea15 1342 1342/1342 1342 ± 0 5.397 5.004/6.051 5.584 ± 0.6495
ea16 1342 1342/1342 1342 ± 0 5.935 5.389/6.629 6.077 ± 0.7609
ea17 1342 1342/1342 1342 ± 0 5.898 5.547/6.464 6.051 ± 0.6476
ea18 1342 1342/1342 1342 ± 0 4.924 4.622/5.488 5.037 ± 0.5748
ea19 1342 1342/1342 1342 ± 0 5.751 5.294/6.446 5.934 ± 0.6745
ea20 1342 1342/1342 1342 ± 0 5.991 5.585/6.68 6.16 ± 0.6825
ea21 1342 1342/1342 1342 ± 0 5.572 5.175/6.124 5.687 ± 0.5951
ea22 1342 1342/1342 1342 ± 0 5.177 4.96/6.052 5.488 ± 0.6318
ea23 1342 1342/1342 1342 ± 0 5.95 5.388/6.367 6.014 ± 0.7009
ea25 1342 1342/1342 1342 ± 0 5.555 5.218/6.131 5.713 ± 0.5824
ea26 1342 1342/1342 1342 ± 0 5.706 5.012/6.337 5.627 ± 0.7103
ea27 1342 1342/1342 1342 ± 0 5.495 5.231/6.354 5.702 ± 0.6151
ea28 1342 1342/1342 1342 ± 0.000005908 5.736 5.386/6.421 5.904 ± 0.7004
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 5.123 5.022/5.403 5.181 ± 0.2673
3 1342 1342/1342 1342 ± 0.00002394 5.069 4.77/5.301 5.019 ± 0.3038
4 1342 1342/1342 1342 ± 0.00002454 5.099 4.801/5.336 5.056 ± 0.3248
5 1342 1342/1342 1342 ± 0.00002394 5.2 4.962/5.366 5.136 ± 0.3132
6 1342 1342/1342 1342 ± 0.00002394 5.168 4.992/5.276 5.097 ± 0.3059
7 1342 1342/1342 1342 ± 0.00002394 5.202 5.006/5.326 5.185 ± 0.2574
8 1342 1342/1342 1342 ± 0.00002394 5.187 4.927/5.352 5.152 ± 0.3067
9 1342 1342/1342 1342 ± 0.00002394 5.478 5.213/5.728 5.427 ± 0.3389
10 1342 1342/1342 1342 ± 0.00002394 5.9 5.709/6.061 5.866 ± 0.3337
11 1342 1342/1342 1342 ± 0.00002394 6.081 5.911/6.308 6.087 ± 0.3341
12 1342 1342/1342 1342 ± 0.00002442 6.301 6.084/6.542 6.267 ± 0.3688
13 1342 1342/1342 1342 ± 0.00002394 6.716 6.462/7.003 6.693 ± 0.3818
14 1342 1342/1342 1342 ± 0.00002394 6.904 6.647/7.157 6.863 ± 0.4215
15 1342 1342/1342 1342 ± 0.00002394 6.547 6.402/6.78 6.527 ± 0.4082
16 1342 1342/1342 1342 ± 0.00002397 5.941 5.556/6.175 5.905 ± 0.384
17 1342 1342/1342 1342 ± 0.00002434 5.884 5.714/6.122 5.915 ± 0.3515
vis
VLASS2.1.sb38610763.eb38659643.59111.9147512037_split_split.ms
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
Start time
2024-12-31 08:14:55.772
End
2024-12-31 09:21:55.557
Duration
1:06:59.785
Note, WebLog generation is not included in the time.

CASA logs for stage 8