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

Statwt Summary Plot

VLASS2.1.sb38642060.eb38643748.59104.02058106482_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 5.726 5.401/6.206 5.83 ± 0.572
ea02 1342 1342/1342 1342 ± 0 6.025 5.517/6.71 6.112 ± 0.6288
ea04 1342 1342/1342 1342 ± 0 5.353 5.044/6.009 5.568 ± 0.5823
ea05 1342 1342/1342 1342 ± 0 5.921 5.388/6.453 5.885 ± 0.601
ea06 1342 1342/1342 1342 ± 0 5.202 4.83/5.493 5.183 ± 0.4076
ea07 1342 1342/1342 1342 ± 0 5.954 5.538/6.302 6.037 ± 0.5474
ea08 1342 1342/1342 1342 ± 0 6.081 5.735/6.843 6.287 ± 0.682
ea09 1342 1342/1342 1342 ± 0 5.877 5.319/6.392 5.914 ± 0.6414
ea10 1342 1342/1342 1342 ± 0.000003024 5.973 5.433/6.743 6.061 ± 0.6881
ea11 1342 1342/1342 1342 ± 0 6.125 5.335/6.63 6.065 ± 0.7311
ea12 1342 1342/1342 1342 ± 0 5.35 5.311/5.545 5.457 ± 0.2138
ea13 1342 1342/1342 1342 ± 0 6.142 5.843/6.424 6.21 ± 0.5061
ea14 1342 1342/1342 1342 ± 0 6.025 5.315/6.434 5.886 ± 0.6369
ea15 1342 1342/1342 1342 ± 0 5.785 5.109/6.283 5.817 ± 0.7147
ea16 1342 1342/1342 1342 ± 0 6.2 5.61/6.73 6.214 ± 0.6957
ea17 1342 1342/1342 1342 ± 0.000004768 6.117 5.71/6.633 6.27 ± 0.6367
ea18 1342 1342/1342 1342 ± 0 5.172 4.787/5.638 5.228 ± 0.5128
ea19 1342 1342/1342 1342 ± 0 6.17 5.496/6.735 6.132 ± 0.6626
ea20 1342 1342/1342 1342 ± 0 6.119 5.731/6.761 6.246 ± 0.6431
ea21 1342 1342/1342 1342 ± 0 5.702 5.413/6.361 5.877 ± 0.5768
ea22 1342 1342/1342 1342 ± 0 5.502 5.245/6.301 5.785 ± 0.6247
ea23 1342 1342/1342 1342 ± 0 6.009 5.595/6.538 6.145 ± 0.6679
ea25 1342 1342/1342 1342 ± 0 5.873 5.56/6.418 6.032 ± 0.5957
ea26 1342 1342/1342 1342 ± 0 6.371 5.775/7.017 6.303 ± 0.6757
ea27 1342 1342/1342 1342 ± 0.00003778 5.757 5.395/6.535 5.9 ± 0.6029
ea28 1342 1342/1342 1342 ± 0 5.873 5.537/6.603 6.047 ± 0.6669
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 ± 0.00002348 5.597 5.312/5.778 5.534 ± 0.2695
3 1342 1342/1342 1342 ± 0.00002375 5.313 5.066/5.457 5.255 ± 0.2746
4 1342 1342/1342 1342 ± 0.00002543 5.284 5.199/5.475 5.327 ± 0.3006
5 1342 1342/1342 1342 ± 0.00002348 5.434 5.194/5.611 5.415 ± 0.3325
6 1342 1342/1342 1342 ± 0.00002392 5.431 5.155/5.538 5.379 ± 0.3048
7 1342 1342/1342 1342 ± 0.00002348 5.441 5.313/5.602 5.419 ± 0.2699
8 1342 1342/1342 1342 ± 0.00002348 5.467 5.201/5.57 5.388 ± 0.3019
9 1342 1342/1342 1342 ± 0.00002348 5.737 5.502/5.972 5.683 ± 0.3376
10 1342 1342/1342 1342 ± 0.00002348 6.179 5.981/6.358 6.119 ± 0.3415
11 1342 1342/1342 1342 ± 0.00002392 6.409 6.243/6.537 6.351 ± 0.3482
12 1342 1342/1342 1342 ± 0.00002439 6.582 6.382/6.74 6.511 ± 0.3732
13 1342 1342/1342 1342 ± 0.00002392 7.021 6.875/7.235 6.97 ± 0.381
14 1342 1342/1342 1342 ± 0.00002392 7.254 6.952/7.37 7.112 ± 0.4159
15 1342 1342/1342 1342 ± 0.00002392 6.73 6.581/6.923 6.682 ± 0.3661
16 1342 1342/1342 1342 ± 0.00003299 6.084 5.929/6.228 6.071 ± 0.2875
17 1342 1342/1342 1342 ± 0.00003109 6.072 5.994/6.292 6.081 ± 0.2857
overwrite_modelcol
False
vis
VLASS2.1.sb38642060.eb38643748.59104.02058106482_split_split.ms
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
Start time
2024-05-01 08:45:54.142
End
2024-05-01 09:57:58.867
Duration
1:12:04.724
Note, WebLog generation is not included in the time.

CASA logs for stage 7