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

Statwt Summary Plot

VLASS2.2.sb40493634.eb40941789.59520.06707907407_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 5.861 5.693/6.596 6.165 ± 0.6077
ea03 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0 5.839 5.298/6.631 5.98 ± 0.6672
ea06 1342 1342/1342 1342 ± 0 6.139 5.506/6.457 6.063 ± 0.5821
ea07 1342 1342/1342 1342 ± 0 6.164 5.527/6.447 6.103 ± 0.6276
ea08 1342 1342/1342 1342 ± 0.00003073 5.965 5.707/6.709 6.226 ± 0.6455
ea09 1342 1342/1342 1342 ± 0.00001978 5.899 5.386/6.714 6.028 ± 0.6899
ea10 1342 1342/1342 1342 ± 0.00001135 6.069 5.49/6.822 6.187 ± 0.6481
ea11 1342 1342/1342 1342 ± 0 6.081 5.435/6.659 6.132 ± 0.6824
ea12 1342 1342/1342 1342 ± 0 6.218 5.617/6.698 6.241 ± 0.6665
ea13 1342 1342/1342 1342 ± 0.00002425 5.886 5.781/6.433 6.132 ± 0.5097
ea14 1342 1342/1342 1342 ± 0 6.41 5.789/6.91 6.449 ± 0.7211
ea15 1342 1342/1342 1342 ± 0 5.706 5.098/6.089 5.647 ± 0.6434
ea16 1342 1342/1342 1342 ± 0 6.445 5.731/6.882 6.447 ± 0.7715
ea17 1342 1342/1342 1342 ± 0 6.584 5.923/7.353 6.64 ± 0.7283
ea18 1342 1342/1342 1342 ± 0 5.085 4.688/5.521 5.11 ± 0.5199
ea19 1342 1342/1342 1342 ± 0 6.57 5.832/7.109 6.531 ± 0.7025
ea20 1342 1342/1342 1342 ± 0.000001119 6.018 5.753/6.947 6.263 ± 0.6473
ea21 1342 1342/1342 1342 ± 0 6.183 5.582/6.624 6.183 ± 0.6383
ea22 1342 1342/1342 1342 ± 0 6.254 5.478/6.724 6.128 ± 0.6801
ea23 1342 1342/1342 1342 ± 0 6.112 5.726/6.786 6.317 ± 0.6954
ea24 1342 1342/1342 1342 ± 0 5.649 5.033/6.269 5.635 ± 0.6161
ea26 1342 1342/1342 1342 ± 0.00001109 6.199 5.683/7.034 6.337 ± 0.6964
ea27 1342 1342/1342 1342 ± 0.00001352 6.104 5.629/7.028 6.251 ± 0.7361
ea28 1342 1342/1342 1342 ± 0.0000176 6.025 5.791/6.974 6.409 ± 0.7341
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 ± 0.00002441 5.566 5.461/5.746 5.554 ± 0.2981
4 1342 1342/1342 1342 ± 0.00002888 5.369 5.142/5.526 5.269 ± 0.3659
5 1342 1342/1342 1342 ± 0.00002441 5.615 5.332/5.742 5.518 ± 0.3335
6 1342 1342/1342 1342 ± 0.00002441 5.556 5.349/5.692 5.486 ± 0.2813
7 1342 1342/1342 1342 ± 0.00002441 5.6 5.457/5.758 5.554 ± 0.2831
8 1342 1342/1342 1342 ± 0.00002441 5.504 5.411/5.782 5.496 ± 0.3225
9 1342 1342/1342 1342 ± 0.00002441 5.89 5.688/6.025 5.799 ± 0.3251
10 1342 1342/1342 1342 ± 0.00002441 6.347 6.227/6.453 6.259 ± 0.3349
11 1342 1342/1342 1342 ± 0.00002441 6.547 6.401/6.722 6.501 ± 0.3422
12 1342 1342/1342 1342 ± 0.00002441 6.711 6.403/6.94 6.657 ± 0.38
13 1342 1342/1342 1342 ± 0.00002441 7.133 6.942/7.415 7.124 ± 0.4126
14 1342 1342/1342 1342 ± 0.00002441 7.361 7.201/7.623 7.337 ± 0.4021
15 1342 1342/1342 1342 ± 0.00002441 7.009 6.814/7.351 6.984 ± 0.4024
16 1342 1342/1342 1342 ± 0.00002441 6.271 6.084/6.442 6.252 ± 0.391
17 1342 1342/1342 1342 ± 0.00004412 6.108 5.877/6.404 6.156 ± 0.3982
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
vis
VLASS2.2.sb40493634.eb40941789.59520.06707907407_split_split.ms
datacolumn
residual_data
Start time
2025-04-18 16:58:19.401
End
2025-04-18 18:03:19.884
Duration
1:05:00.483
Note, WebLog generation is not included in the time.

CASA logs for stage 8