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

Statwt Summary Plot

VLASS2.2.sb40528187.eb40882891.59510.17895375_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 6.26 5.62/6.586 6.156 ± 0.6168
ea02 1342 1342/1342 1342 ± 0.00002955 6.114 5.397/6.593 5.979 ± 0.8631
ea03 1342 1342/1342 1342 ± 0 5.566 5.063/6.381 5.659 ± 0.8214
ea04 1342 1342/1342 1342 ± 0 5.671 5.115/6.333 5.75 ± 0.6058
ea06 1342 1342/1342 1342 ± 0 6.377 5.549/6.573 6.115 ± 0.6291
ea07 1342 1342/1342 1342 ± 0 6.019 5.456/6.406 6.052 ± 0.6339
ea08 1342 1342/1342 1342 ± 0 6.165 5.599/6.761 6.243 ± 0.7313
ea09 1342 1342/1342 1342 ± 0 5.948 5.345/6.71 6.029 ± 0.6968
ea10 1342 1342/1342 1342 ± 0 6.001 5.381/6.681 5.977 ± 0.7443
ea11 1342 1342/1342 1342 ± 0 6.188 5.366/6.644 6.091 ± 0.7781
ea12 1342 1342/1342 1342 ± 0 5.954 5.432/6.594 6.101 ± 0.7372
ea13 1342 1342/1342 1342 ± 0 5.815 5.759/6.365 6.01 ± 0.5388
ea14 1342 1342/1342 1342 ± 0 6.313 5.555/6.754 6.27 ± 0.7125
ea15 1342 1342/1342 1342 ± 0 5.57 4.965/5.934 5.513 ± 0.7057
ea16 1342 1342/1342 1342 ± 0 6.103 5.578/6.72 6.2 ± 0.7572
ea17 1342 1342/1342 1342 ± 0 6.485 6.056/7.268 6.649 ± 0.7048
ea18 1342 1342/1342 1342 ± 0 4.488 4.2/4.904 4.583 ± 0.4463
ea19 1342 1342/1342 1342 ± 0.000009059 6.185 5.66/6.809 6.298 ± 0.7256
ea20 1342 1342/1342 1342 ± 0 5.946 5.53/6.645 6.033 ± 0.7665
ea21 1342 1342/1342 1342 ± 0 5.912 5.495/6.53 6.039 ± 0.6454
ea22 1342 1342/1342 1342 ± 0 6.297 5.451/6.719 6.138 ± 0.7438
ea23 1342 1342/1342 1342 ± 0 6.09 5.604/6.608 6.149 ± 0.7818
ea24 1342 1342/1342 1342 ± 0 5.859 5.08/6.312 5.709 ± 0.6006
ea25 1342 1342/1342 1342 ± 0 6.542 5.637/7.031 6.423 ± 0.8393
ea26 1342 1342/1342 1342 ± 0 6.332 5.714/7.118 6.401 ± 0.7116
ea27 1342 1342/1342 1342 ± 0 5.868 5.422/6.769 6.026 ± 0.7901
ea28 1342 1342/1342 1342 ± 0 6.119 5.692/6.833 6.297 ± 0.7715
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 ± 0.00002308 5.531 5.335/5.759 5.477 ± 0.3291
3 1342 1342/1342 1342 ± 0.00002664 4.952 4.506/5.289 4.883 ± 0.5889
4 1342 1342/1342 1342 ± 0.00002416 5.357 5.06/5.508 5.291 ± 0.4135
5 1342 1342/1342 1342 ± 0.00002308 5.542 5.196/5.616 5.417 ± 0.3795
6 1342 1342/1342 1342 ± 0.00002308 5.433 5.247/5.616 5.386 ± 0.3202
7 1342 1342/1342 1342 ± 0.00002308 5.549 5.323/5.633 5.462 ± 0.323
8 1342 1342/1342 1342 ± 0.00002308 5.45 5.263/5.677 5.425 ± 0.361
9 1342 1342/1342 1342 ± 0.00002308 5.845 5.631/6.01 5.752 ± 0.3877
10 1342 1342/1342 1342 ± 0.00002308 6.325 6.141/6.436 6.209 ± 0.4051
11 1342 1342/1342 1342 ± 0.00002308 6.541 6.332/6.677 6.443 ± 0.4118
12 1342 1342/1342 1342 ± 0.00002308 6.708 6.499/6.74 6.586 ± 0.4427
13 1342 1342/1342 1342 ± 0.00002308 7.122 6.909/7.367 7.06 ± 0.479
14 1342 1342/1342 1342 ± 0.00002308 7.343 7.191/7.574 7.274 ± 0.486
15 1342 1342/1342 1342 ± 0.00002308 6.98 6.836/7.192 6.942 ± 0.4483
16 1342 1342/1342 1342 ± 0.00002308 6.304 6.116/6.604 6.308 ± 0.4396
17 1342 1342/1342 1342 ± 0.00002404 6.338 6.083/6.502 6.259 ± 0.4174
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
vis
VLASS2.2.sb40528187.eb40882891.59510.17895375_split_split.ms
overwrite_modelcol
False
Start time
2025-05-23 18:49:11.971
End
2025-05-23 19:45:54.714
Duration
0:56:42.743
Note, WebLog generation is not included in the time.

CASA logs for stage 8