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

Statwt Summary Plot

VLASS2.2.sb41027522.eb41031268.59557.25108456019_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 6.332 5.853/6.901 6.377 ± 0.7959
ea03 1342 1342/1342 1342 ± 0.000001645 5.654 5.114/6.557 5.751 ± 0.8947
ea04 1342 1342/1342 1342 ± 0 5.776 5.274/6.467 5.865 ± 0.8208
ea05 1342 1342/1342 1342 ± 0 6.292 5.67/7.061 6.262 ± 0.9218
ea06 1342 1342/1342 1342 ± 0 6.143 5.641/6.622 6.144 ± 0.7532
ea07 1342 1342/1342 1342 ± 0 6.282 5.437/6.48 6.093 ± 0.7387
ea08 1342 1342/1342 1342 ± 0 6.117 5.483/6.856 6.15 ± 0.8454
ea09 1342 1342/1342 1342 ± 0 6.106 5.536/6.843 6.185 ± 0.912
ea10 1342 1342/1342 1342 ± 0 6.284 5.621/7.094 6.261 ± 0.9354
ea11 1342 1342/1342 1342 ± 0.000001167 6.382 5.423/6.817 6.146 ± 0.9214
ea12 1342 1342/1342 1342 ± 0 6.541 5.695/6.92 6.361 ± 0.9045
ea13 1342 1342/1342 1342 ± 0 5.81 5.755/6.416 6.068 ± 0.529
ea14 1342 1342/1342 1342 ± 0 6.342 5.714/6.987 6.346 ± 0.91
ea15 1342 1342/1342 1342 ± 0 5.862 5.389/6.475 5.913 ± 0.7703
ea16 1342 1342/1342 1342 ± 0 6.529 5.878/7.061 6.495 ± 0.8485
ea17 1342 1342/1342 1342 ± 0 6.828 6.266/7.811 6.941 ± 0.8674
ea18 1342 1342/1342 1342 ± 0 5.255 4.808/5.655 5.3 ± 0.5229
ea19 1342 1342/1342 1342 ± 0 6.731 5.86/7.288 6.532 ± 0.8493
ea20 1342 1342/1342 1342 ± 0 5.969 5.577/6.722 6.105 ± 0.8349
ea21 1342 1342/1342 1342 ± 0 5.481 5.174/6.078 5.603 ± 0.5881
ea22 1342 1342/1342 1342 ± 0.000003499 6.416 5.437/6.777 6.123 ± 0.8246
ea23 1342 1342/1342 1342 ± 0 6.384 5.809/6.9 6.426 ± 0.7638
ea24 1342 1342/1342 1342 ± 0 6.103 5.343/6.623 5.943 ± 0.7196
ea25 1342 1342/1342 1342 ± 0 6.736 5.743/7.173 6.485 ± 0.952
ea26 1342 1342/1342 1342 ± 0 6.727 6.033/7.508 6.573 ± 1.044
ea27 1342 1342/1342 1342 ± 0 6.074 5.604/7.024 6.17 ± 0.8767
ea28 1342 1342/1342 1342 ± 0 6.254 5.855/7.096 6.416 ± 0.8417
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 ± 0.00002305 5.649 5.367/5.833 5.597 ± 0.3275
3 1342 1342/1342 1342 ± 0.00002388 5.269 5.023/5.408 5.257 ± 0.3356
4 1342 1342/1342 1342 ± 0.00002718 4.339 4.134/4.448 4.351 ± 0.2798
5 1342 1342/1342 1342 ± 0.00002305 5.724 5.345/5.829 5.61 ± 0.3448
6 1342 1342/1342 1342 ± 0.00002305 5.612 5.416/5.804 5.563 ± 0.3007
7 1342 1342/1342 1342 ± 0.00002305 5.677 5.436/5.825 5.629 ± 0.3074
8 1342 1342/1342 1342 ± 0.00002305 5.522 5.316/5.789 5.56 ± 0.3422
9 1342 1342/1342 1342 ± 0.00002305 5.904 5.632/6.122 5.861 ± 0.3329
10 1342 1342/1342 1342 ± 0.00002305 6.56 6.288/6.677 6.45 ± 0.344
11 1342 1342/1342 1342 ± 0.00002305 6.766 6.513/6.953 6.69 ± 0.3598
12 1342 1342/1342 1342 ± 0.00002305 6.901 6.603/7.064 6.828 ± 0.4305
13 1342 1342/1342 1342 ± 0.00002305 7.402 7.098/7.748 7.371 ± 0.4617
14 1342 1342/1342 1342 ± 0.00002305 7.614 7.206/7.89 7.57 ± 0.4685
15 1342 1342/1342 1342 ± 0.00002305 7.161 6.827/7.45 7.149 ± 0.4316
16 1342 1342/1342 1342 ± 0.00002305 6.412 6.225/6.856 6.48 ± 0.43
17 1342 1342/1342 1342 ± 0.00002305 6.459 6.217/6.744 6.436 ± 0.439
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.2.sb41027522.eb41031268.59557.25108456019_split_split.ms
statwtmode
VLASS-SE
output_dir
 
Start time
2025-06-11 06:55:11.642
End
2025-06-11 07:56:01.017
Duration
1:00:49.376
Note, WebLog generation is not included in the time.

CASA logs for stage 8