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

Statwt Summary Plot

VLASS3.2.sb45483556.eb45792768.60431.950518831014_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 4.784 4.732/5.373 5.015 ± 0.3636
ea02 1342 1342/1342 1342 ± 0.000006845 5.975 5.671/6.394 6.177 ± 0.5574
ea03 1342 1342/1342 1342 ± 0 5.956 5.421/6.549 6.021 ± 0.5868
ea04 1342 1342/1342 1342 ± 0.000002591 5.463 5.216/5.992 5.568 ± 0.4752
ea05 1342 1342/1342 1342 ± 0.000008277 5.574 5.309/6.38 5.809 ± 0.5627
ea06 1342 1342/1342 1342 ± 0.000007201 5.67 5.092/6.012 5.694 ± 0.5587
ea07 1342 1342/1342 1342 ± 0 5.7 5.283/6.187 5.843 ± 0.6348
ea08 1342 1342/1342 1342 ± 0 6.112 5.763/6.714 6.285 ± 0.5781
ea09 1342 1342/1342 1342 ± 0 5.603 5.152/6.306 5.706 ± 0.5649
ea10 1342 1342/1342 1342 ± 0 5.314 5.077/5.953 5.481 ± 0.5218
ea11 1342 1342/1342 1342 ± 0.00003258 5.436 4.891/6.083 5.479 ± 0.6131
ea12 1342 1342/1342 1342 ± 0.000009665 5.412 5.308/6.13 5.633 ± 0.5068
ea13 1342 1342/1342 1342 ± 0 5.929 5.612/6.344 6.001 ± 0.5822
ea14 1342 1342/1342 1342 ± 0.000002244 5.923 5.555/6.46 6.02 ± 0.5172
ea15 1342 1342/1342 1342 ± 0.00002185 5.825 5.577/6.618 6.111 ± 0.6473
ea17 1342 1342/1342 1342 ± 0 5.941 5.713/6.861 6.158 ± 0.6401
ea18 1342 1342/1342 1342 ± 0 6.293 5.917/6.962 6.427 ± 0.5804
ea19 1342 1342/1342 1342 ± 0.00002206 5.64 5.374/6.414 5.869 ± 0.5293
ea20 1342 1342/1342 1342 ± 0 5.884 5.554/6.562 6.057 ± 0.5419
ea21 1342 1342/1342 1342 ± 0 5.269 5.14/5.778 5.482 ± 0.4454
ea22 1342 1342/1342 1342 ± 0 6.056 5.817/6.766 6.228 ± 0.5788
ea23 1342 1342/1342 1342 ± 0.000002591 5.621 5.342/6.202 5.814 ± 0.602
ea24 1342 1342/1342 1342 ± 0 5.983 5.36/6.444 5.905 ± 0.5535
ea25 1342 1342/1342 1342 ± 0.000001296 6.333 5.641/6.764 6.368 ± 0.7123
ea28 1342 1342/1342 1342 ± 0 6.248 5.773/6.937 6.341 ± 0.6267
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 ± 0.00002444 5.465 5.218/5.632 5.446 ± 0.3078
5 1342 1342/1342 1342 ± 0.00002392 5.383 5.182/5.688 5.411 ± 0.3291
6 1342 1342/1342 1342 ± 0.00002392 5.193 4.943/5.405 5.207 ± 0.3501
7 1342 1342/1342 1342 ± 0.00002392 5.402 5.215/5.613 5.402 ± 0.2827
8 1342 1342/1342 1342 ± 0.00002392 5.323 5.13/5.572 5.34 ± 0.3066
9 1342 1342/1342 1342 ± 0.00002392 5.607 5.509/5.87 5.626 ± 0.3339
10 1342 1342/1342 1342 ± 0.00002392 6.052 5.916/6.26 6.022 ± 0.3145
11 1342 1342/1342 1342 ± 0.00002392 6.275 6.018/6.432 6.223 ± 0.3569
12 1342 1342/1342 1342 ± 0.00002392 6.414 6.126/6.577 6.371 ± 0.3762
13 1342 1342/1342 1342 ± 0.00002392 6.865 6.461/7.056 6.808 ± 0.4122
14 1342 1342/1342 1342 ± 0.00002392 6.851 6.444/7.203 6.804 ± 0.4859
15 1342 1342/1342 1342 ± 0.00002392 6.625 6.337/6.956 6.594 ± 0.4129
16 1342 1342/1342 1342 ± 0.00003135 5.735 5.44/6.011 5.727 ± 0.4402
17 1342 1342/1342 1342 ± 0.00003608 5.628 5.367/5.957 5.616 ± 0.429
output_dir
 
datacolumn
residual_data
vis
VLASS3.2.sb45483556.eb45792768.60431.950518831014_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-07-19 03:59:25.717
End
2025-07-19 04:45:34.967
Duration
0:46:09.250
Note, WebLog generation is not included in the time.

CASA logs for stage 8