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

Statwt Summary Plot

VLASS2.1.sb38545507.eb38638815.59102.13461381945_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 5.608 5.28/5.976 5.638 ± 0.4312
ea02 1342 1342/1342 1342 ± 0 5.72 5.382/6.303 5.873 ± 0.5162
ea04 1342 1342/1342 1342 ± 0 5.545 5.241/6.045 5.689 ± 0.5022
ea05 1342 1342/1342 1342 ± 0 5.38 5.12/5.732 5.429 ± 0.397
ea06 1342 1342/1342 1342 ± 0 4.906 4.793/5.246 4.99 ± 0.2771
ea07 1342 1342/1342 1342 ± 0 5.48 5.242/5.805 5.564 ± 0.3983
ea08 1342 1342/1342 1342 ± 0 5.515 5.254/6.003 5.629 ± 0.4127
ea09 1342 1342/1342 1342 ± 0 5.161 5.009/5.591 5.29 ± 0.3639
ea10 1342 1342/1342 1342 ± 0 5.101 4.959/5.774 5.324 ± 0.4064
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.511 5.27/5.819 5.583 ± 0.3718
ea13 1342 1342/1342 1342 ± 0 5.908 5.728/6.204 6.016 ± 0.4075
ea14 1342 1342/1342 1342 ± 0 5.492 5.085/6.017 5.544 ± 0.5147
ea15 1342 1342/1342 1342 ± 0 5.654 5.226/5.956 5.606 ± 0.4906
ea16 1342 1342/1342 1342 ± 0 5.508 5.295/5.889 5.617 ± 0.4101
ea17 1342 1342/1342 1342 ± 0.000002015 5.371 5.273/5.659 5.495 ± 0.3154
ea18 1342 1342/1342 1342 ± 0 4.571 4.399/4.785 4.631 ± 0.2568
ea19 1342 1342/1342 1342 ± 0 5.526 5.179/5.898 5.546 ± 0.3671
ea20 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea21 1342 1342/1342 1342 ± 0 5.602 5.422/6.254 5.816 ± 0.477
ea22 1342 1342/1342 1342 ± 0 4.895 4.739/5.428 5.014 ± 0.4295
ea23 1342 1342/1342 1342 ± 0 6.053 5.638/6.613 6.195 ± 0.6448
ea25 1342 1342/1342 1342 ± 0 5.595 5.412/6.134 5.781 ± 0.5101
ea26 1342 1342/1342 1342 ± 0 5.535 5.453/6.034 5.725 ± 0.3809
ea27 1342 1342/1342 1342 ± 0.00003041 5.213 5.073/5.708 5.338 ± 0.3812
ea28 1342 1342/1342 1342 ± 0 5.77 5.557/6.5 6.018 ± 0.5751
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 ± 0.0000244 5.352 5.162/5.515 5.343 ± 0.2802
3 1342 1342/1342 1342 ± 0.00002445 5.266 5.027/5.421 5.209 ± 0.3104
4 1342 1342/1342 1342 ± 0.00002765 5.077 4.957/5.343 5.121 ± 0.2987
5 1342 1342/1342 1342 ± 0.0000244 5.283 4.981/5.498 5.244 ± 0.3193
6 1342 1342/1342 1342 ± 0.0000244 5.181 5.064/5.353 5.177 ± 0.2817
7 1342 1342/1342 1342 ± 0.0000244 5.239 5.095/5.372 5.202 ± 0.2848
8 1342 1342/1342 1342 ± 0.0000244 5.193 4.939/5.393 5.151 ± 0.3177
9 1342 1342/1342 1342 ± 0.0000244 5.382 5.191/5.59 5.357 ± 0.3514
10 1342 1342/1342 1342 ± 0.0000244 5.71 5.523/6.018 5.706 ± 0.3602
11 1342 1342/1342 1342 ± 0.0000244 5.835 5.726/6.1 5.87 ± 0.3759
12 1342 1342/1342 1342 ± 0.0000244 5.96 5.817/6.21 5.912 ± 0.5206
13 1342 1342/1342 1342 ± 0.0000244 6.271 6.013/6.594 6.29 ± 0.4724
14 1342 1342/1342 1342 ± 0.0000244 6.419 6.07/6.634 6.359 ± 0.5035
15 1342 1342/1342 1342 ± 0.0000244 6.071 5.62/6.239 5.969 ± 0.4857
16 1342 1342/1342 1342 ± 0.0000313 5.564 5.225/5.761 5.476 ± 0.3797
17 1342 1342/1342 1342 ± 0.00002829 5.419 5.213/5.722 5.435 ± 0.4174
output_dir
 
vis
VLASS2.1.sb38545507.eb38638815.59102.13461381945_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2024-12-03 07:54:17.435
End
2024-12-03 08:42:36.023
Duration
0:48:18.588
Note, WebLog generation is not included in the time.

CASA logs for stage 8