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 5.618 5.312/5.978 5.678 ± 0.4158
ea02 1342 1342/1342 1342 ± 0 5.853 5.461/6.389 5.981 ± 0.519
ea04 1342 1342/1342 1342 ± 0 5.563 5.257/6.063 5.7 ± 0.5017
ea05 1342 1342/1342 1342 ± 0 5.34 5.025/5.663 5.352 ± 0.3949
ea06 1342 1342/1342 1342 ± 0 4.917 4.786/5.241 4.99 ± 0.2835
ea07 1342 1342/1342 1342 ± 0 5.661 5.36/6.003 5.738 ± 0.4263
ea08 1342 1342/1342 1342 ± 0 5.694 5.404/6.278 5.824 ± 0.4655
ea09 1342 1342/1342 1342 ± 0 5.501 5.094/5.874 5.502 ± 0.4486
ea10 1342 1342/1342 1342 ± 0.000002363 5.221 5.06/5.92 5.454 ± 0.4409
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.758 5.428/6.064 5.826 ± 0.4413
ea13 1342 1342/1342 1342 ± 0 5.942 5.648/6.166 5.974 ± 0.4305
ea14 1342 1342/1342 1342 ± 0 5.494 5.097/5.995 5.538 ± 0.5271
ea15 1342 1342/1342 1342 ± 0 5.875 5.372/6.287 5.898 ± 0.5706
ea16 1342 1342/1342 1342 ± 0 5.603 5.356/6.017 5.731 ± 0.4647
ea17 1342 1342/1342 1342 ± 0 5.47 5.351/5.829 5.598 ± 0.3614
ea18 1342 1342/1342 1342 ± 0 4.809 4.574/5.106 4.847 ± 0.3323
ea19 1342 1342/1342 1342 ± 0 5.436 5.105/5.774 5.462 ± 0.357
ea20 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea21 1342 1342/1342 1342 ± 0 5.552 5.365/6.17 5.732 ± 0.4785
ea22 1342 1342/1342 1342 ± 0 4.998 4.826/5.573 5.145 ± 0.4698
ea23 1342 1342/1342 1342 ± 0 6.027 5.663/6.764 6.189 ± 0.6457
ea25 1342 1342/1342 1342 ± 0 5.644 5.371/6.145 5.771 ± 0.528
ea26 1342 1342/1342 1342 ± 0 5.735 5.471/6.301 5.901 ± 0.4813
ea27 1342 1342/1342 1342 ± 0.00003942 5.328 5.137/5.944 5.483 ± 0.4271
ea28 1342 1342/1342 1342 ± 0 5.741 5.533/6.525 5.963 ± 0.6055
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 ± 0.0000245 5.403 5.262/5.542 5.386 ± 0.2565
3 1342 1342/1342 1342 ± 0.0000245 5.323 5.112/5.465 5.289 ± 0.2839
4 1342 1342/1342 1342 ± 0.00002656 5.167 4.906/5.434 5.129 ± 0.3001
5 1342 1342/1342 1342 ± 0.0000245 5.351 5.028/5.491 5.283 ± 0.3112
6 1342 1342/1342 1342 ± 0.0000245 5.168 5.056/5.382 5.188 ± 0.2662
7 1342 1342/1342 1342 ± 0.0000245 5.309 5.098/5.377 5.243 ± 0.268
8 1342 1342/1342 1342 ± 0.0000245 5.259 5.019/5.388 5.19 ± 0.3011
9 1342 1342/1342 1342 ± 0.0000245 5.489 5.241/5.656 5.413 ± 0.3395
10 1342 1342/1342 1342 ± 0.0000245 5.808 5.545/6.052 5.776 ± 0.3371
11 1342 1342/1342 1342 ± 0.0000245 5.961 5.794/6.175 5.955 ± 0.3403
12 1342 1342/1342 1342 ± 0.0000245 6.069 5.998/6.228 6.009 ± 0.4995
13 1342 1342/1342 1342 ± 0.0000245 6.466 6.153/6.686 6.415 ± 0.4331
14 1342 1342/1342 1342 ± 0.0000245 6.616 6.21/6.827 6.492 ± 0.4653
15 1342 1342/1342 1342 ± 0.0000245 6.239 5.838/6.426 6.147 ± 0.4395
16 1342 1342/1342 1342 ± 0.0000335 5.674 5.367/5.896 5.6 ± 0.3502
17 1342 1342/1342 1342 ± 0.00003347 5.558 5.299/5.806 5.553 ± 0.364
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.1.sb38545507.eb38638815.59102.13461381945_split_split.ms
statwtmode
VLASS-SE
Start time
2024-12-03 08:45:26.528
End
2024-12-03 09:38:44.836
Duration
0:53:18.308
Note, WebLog generation is not included in the time.

CASA logs for stage 8