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

Statwt Summary Plot

VLASS3.2.sb45657603.eb46099145.60450.330123067135_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 6.102 5.76/6.735 6.202 ± 0.7626
ea02 1342 1342/1342 1342 ± 0 6.267 5.784/6.621 6.251 ± 0.7261
ea03 1342 1342/1342 1342 ± 0 5.962 5.485/6.657 6.099 ± 0.7821
ea04 1342 1342/1342 1342 ± 0.000004997 5.585 5.116/6.122 5.626 ± 0.7396
ea05 1342 1342/1342 1342 ± 0.000003618 5.907 5.416/6.527 5.969 ± 0.7505
ea06 1342 1342/1342 1342 ± 0 5.844 5.205/6.19 5.753 ± 0.7383
ea07 1342 1342/1342 1342 ± 0 6.297 5.402/6.681 6.112 ± 0.7996
ea08 1342 1342/1342 1342 ± 0 6.828 5.857/7.021 6.545 ± 0.7007
ea09 1342 1342/1342 1342 ± 0.000005114 5.767 5.237/6.478 5.742 ± 1.031
ea10 1342 1342/1342 1342 ± 0.000002673 5.782 5.17/6.241 5.697 ± 0.7721
ea11 1342 1342/1342 1342 ± 0.000001952 5.887 5.438/6.57 5.931 ± 0.7963
ea12 1342 1342/1342 1342 ± 0.000004497 5.583 5.254/6.253 5.741 ± 0.7438
ea13 1342 1342/1342 1342 ± 0 6.311 5.639/6.451 5.956 ± 0.994
ea14 1342 1342/1342 1342 ± 0.000004224 6.128 5.686/6.662 6.138 ± 0.7567
ea15 1342 1342/1342 1342 ± 0 6.84 6.798/7.444 7.044 ± 0.431
ea17 1342 1342/1342 1342 ± 0 6.282 5.85/7.027 6.375 ± 0.8214
ea18 1342 1342/1342 1342 ± 0 6.39 5.949/7.012 6.501 ± 0.6773
ea19 1342 1342/1342 1342 ± 0.000004362 5.992 5.581/6.633 6.047 ± 0.7697
ea20 1342 1342/1342 1342 ± 0.000004497 6.562 6.029/7.14 6.602 ± 0.7471
ea21 1342 1342/1342 1342 ± 0 5.482 5.215/6 5.582 ± 0.5861
ea22 1342 1342/1342 1342 ± 0 6.138 5.652/6.586 6.157 ± 0.6468
ea23 1342 1342/1342 1342 ± 0.000006165 6.193 5.504/6.531 6.113 ± 0.831
ea24 1342 1342/1342 1342 ± 0 6.287 5.284/6.665 6.03 ± 0.6592
ea25 1342 1342/1342 1342 ± 0 6.444 5.794/7.094 6.504 ± 0.8919
ea27 1342 1342/1342 1342 ± 0.000002673 5.651 5.178/6.39 5.732 ± 0.7579
ea28 1342 1342/1342 1342 ± 0.000002182 6.385 5.876/7.163 6.506 ± 0.7335
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 ± 0.00002553 5.479 5.303/5.683 5.53 ± 0.2739
3 1342 1342/1342 1342 ± 0.00002439 4.387 3.987/4.793 4.413 ± 0.7647
4 1342 1342/1342 1342 ± 0.00002565 5.436 5.155/5.679 5.407 ± 0.3184
5 1342 1342/1342 1342 ± 0.00002405 5.553 5.268/5.823 5.559 ± 0.3048
6 1342 1342/1342 1342 ± 0.00002392 5.491 5.281/5.757 5.511 ± 0.2905
7 1342 1342/1342 1342 ± 0.00002394 5.622 5.43/5.806 5.599 ± 0.2624
8 1342 1342/1342 1342 ± 0.00002392 5.51 5.253/5.821 5.531 ± 0.3109
9 1342 1342/1342 1342 ± 0.00002392 5.802 5.613/6.066 5.832 ± 0.3077
10 1342 1342/1342 1342 ± 0.00002348 6.349 6.167/6.458 6.321 ± 0.2807
11 1342 1342/1342 1342 ± 0.00002348 6.525 6.301/6.692 6.533 ± 0.285
12 1342 1342/1342 1342 ± 0.00002348 6.681 6.422/6.802 6.67 ± 0.3299
13 1342 1342/1342 1342 ± 0.00002348 7.153 6.842/7.481 7.148 ± 0.3572
14 1342 1342/1342 1342 ± 0.00002348 7.316 7.01/7.667 7.323 ± 0.3645
15 1342 1342/1342 1342 ± 0.00002348 7.024 6.629/7.346 6.992 ± 0.3787
16 1342 1342/1342 1342 ± 0.00002372 6.423 6.097/6.835 6.437 ± 0.4254
17 1342 1342/1342 1342 ± 0.00002348 6.437 6.062/6.779 6.392 ± 0.4078
overwrite_modelcol
False
output_dir
 
vis
VLASS3.2.sb45657603.eb46099145.60450.330123067135_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2025-07-29 11:00:03.293
End
2025-07-29 12:06:04.058
Duration
1:06:00.765
Note, WebLog generation is not included in the time.

CASA logs for stage 8