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

Statwt Summary Plot

VLASS2.1.sb38490392.eb38577577.59079.6066271412_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 5.56 5.314/6.093 5.58 ± 0.749
ea02 1342 1342/1342 1342 ± 0.00004272 5.981 5.514/6.702 5.919 ± 0.9437
ea04 1342 1342/1342 1342 ± 0 4.927 4.735/5.61 5.099 ± 0.5929
ea05 1342 1342/1342 1342 ± 0.00001169 5.112 4.735/5.964 5.251 ± 0.6414
ea06 1342 1342/1342 1342 ± 0 4.786 4.631/5.24 4.885 ± 0.5345
ea07 1342 1342/1342 1342 ± 0.00004353 5.74 5.249/6.016 5.549 ± 0.7495
ea08 1342 1342/1342 1342 ± 0.00004272 6.102 5.697/6.89 6.078 ± 0.9854
ea09 1342 1342/1342 1342 ± 0 5.467 5.146/6.323 5.591 ± 0.6916
ea10 1342 1342/1342 1342 ± 0.00004284 5.724 5.285/6.378 5.662 ± 0.7546
ea11 1342 1342/1342 1342 ± 0.00002924 5.738 5.203/6.281 5.592 ± 0.8943
ea12 1342 1342/1342 1342 ± 0 5.29 5.023/6.212 5.489 ± 0.7798
ea13 1342 1342/1342 1342 ± 0.00001123 5.732 5.399/6.045 5.733 ± 0.6381
ea14 1342 1342/1342 1342 ± 0.00001063 5.524 5.136/6.274 5.564 ± 0.7188
ea15 1342 1342/1342 1342 ± 0 4.999 4.779/5.868 5.304 ± 0.7563
ea16 1342 1342/1342 1342 ± 0.00002016 5.564 5.177/6.344 5.592 ± 0.7346
ea17 1342 1342/1342 1342 ± 0.00004065 6.087 5.606/6.917 6.042 ± 0.9547
ea18 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea19 1342 1342/1342 1342 ± 0 5.386 5.14/6.283 5.549 ± 0.6888
ea20 1342 1342/1342 1342 ± 0 5.616 5.359/6.503 5.733 ± 0.8484
ea21 1342 1342/1342 1342 ± 0.00002009 5.206 5.004/5.922 5.291 ± 0.6982
ea22 1342 1342/1342 1342 ± 0.00003353 5.535 5.266/6.569 5.708 ± 0.8204
ea23 1342 1342/1342 1342 ± 0.00004161 5.568 5.244/6.351 5.623 ± 0.8111
ea25 1342 1342/1342 1342 ± 0.00003628 5.655 5.351/6.308 5.657 ± 0.8479
ea26 1342 1342/1342 1342 ± 0.00001095 5.561 5.502/6.403 5.742 ± 0.6732
ea27 1342 1342/1342 1342 ± 0.00004393 5.62 5.191/6.494 5.677 ± 0.8296
ea28 1342 1342/1342 1342 ± 0.00003309 6.077 5.63/6.704 6.011 ± 0.7929
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 ± 0.00002395 5.597 5.295/5.722 5.495 ± 0.3278
5 1342 1342/1342 1342 ± 0.00002442 5.314 5.089/5.412 5.267 ± 0.3129
6 1342 1342/1342 1342 ± 0.00002395 5.287 5.134/5.555 5.303 ± 0.333
7 1342 1342/1342 1342 ± 0.00002395 5.283 5.086/5.516 5.272 ± 0.3055
8 1342 1342/1342 1342 ± 0.00002395 5.189 5.086/5.423 5.214 ± 0.3238
9 1342 1342/1342 1342 ± 0.00002395 5.534 5.208/5.704 5.483 ± 0.3643
10 1342 1342/1342 1342 ± 0.00002395 5.914 5.614/6.057 5.877 ± 0.3587
11 1342 1342/1342 1342 ± 0.00002395 6.156 5.936/6.354 6.142 ± 0.3594
12 1342 1342/1342 1342 ± 0.00002395 6.347 6.039/6.537 6.306 ± 0.3788
13 1342 1342/1342 1342 ± 0.00002427 6.596 6.379/6.749 6.579 ± 0.3239
14 1342 1342/1342 1342 ± 0.00003084 6.482 6.176/6.74 6.456 ± 0.3665
15 1342 1342/1342 1342 ± 0.00002398 6.526 6.29/6.705 6.474 ± 0.4441
16 1342 1342/1342 1342 ± 0.00006074 4.021 3.861/4.174 4.032 ± 0.2248
17 1342 1342/1342 1342 ± 0.00006012 4.322 4.126/4.487 4.308 ± 0.2519
datacolumn
residual_data
vis
VLASS2.1.sb38490392.eb38577577.59079.6066271412_split_split.ms
overwrite_modelcol
False
output_dir
 
statwtmode
VLASS-SE
Start time
2024-12-13 05:40:33.522
End
2024-12-13 06:41:22.370
Duration
1:00:48.847
Note, WebLog generation is not included in the time.

CASA logs for stage 8