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

Statwt Summary Plot

VLASS2.1.sb38501480.eb38632936.59097.386918425924_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 5.294 4.975/5.866 5.464 ± 0.6522
ea02 1342 1342/1342 1342 ± 0.000022 5.382 5.072/6.552 5.791 ± 0.846
ea04 1342 1342/1342 1342 ± 0.00003371 5.396 4.833/5.86 5.38 ± 0.6961
ea05 1342 1342/1342 1342 ± 0.00000337 5.963 5.051/6.557 5.827 ± 0.8029
ea06 1342 1342/1342 1342 ± 0.00003163 4.759 4.327/5.187 4.769 ± 0.4973
ea07 1342 1342/1342 1342 ± 0.00004356 5.688 5.101/6.153 5.76 ± 0.8038
ea08 1342 1342/1342 1342 ± 0.00004276 5.476 5.292/6.623 5.941 ± 0.8893
ea09 1342 1342/1342 1342 ± 0 5.642 5.045/6.473 5.726 ± 0.7825
ea10 1342 1342/1342 1342 ± 0.00004544 5.617 4.899/6.592 5.714 ± 0.9231
ea11 1342 1342/1342 1342 ± 0.00004727 5.207 4.906/6.384 5.643 ± 0.8827
ea12 1342 1342/1342 1342 ± 0.00003465 5.786 5.012/6.165 5.697 ± 0.8109
ea13 1342 1342/1342 1342 ± 0 5.882 5.346/6.295 5.951 ± 0.7476
ea14 1342 1342/1342 1342 ± 0.00002808 5.366 5.087/6.297 5.657 ± 0.7757
ea15 1342 1342/1342 1342 ± 0.00001952 5.143 4.858/6.151 5.474 ± 0.8128
ea16 1342 1342/1342 1342 ± 0.000006643 5.687 5.318/6.82 6.01 ± 0.9318
ea17 1342 1342/1342 1342 ± 0.00004793 5.493 5.267/6.397 5.856 ± 0.8651
ea18 1342 1342/1342 1342 ± 0.00004592 5.012 4.545/5.417 5.041 ± 0.5916
ea19 1342 1342/1342 1342 ± 0.000009404 6.058 5.395/6.67 6.081 ± 0.8296
ea20 1342 1342/1342 1342 ± 0.00004144 5.751 5.229/6.666 5.954 ± 0.8771
ea21 1342 1342/1342 1342 ± 0.00001328 5.498 5.157/6.37 5.738 ± 0.7811
ea22 1342 1342/1342 1342 ± 0.000002548 5.152 4.791/6.206 5.521 ± 0.7587
ea23 1342 1342/1342 1342 ± 0.00003616 5.473 5.289/6.355 5.831 ± 0.8783
ea25 1342 1342/1342 1342 ± 0.00004624 5.288 5.048/6.072 5.532 ± 0.765
ea26 1342 1342/1342 1342 ± 0 5.791 5.496/6.94 6.12 ± 0.8477
ea27 1342 1342/1342 1342 ± 0.00004573 5.371 5.053/6.382 5.612 ± 0.7598
ea28 1342 1342/1342 1342 ± 0.00004438 5.596 5.135/6.342 5.727 ± 0.8213
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 ± 0.00002351 5.43 5.128/5.749 5.428 ± 0.3512
5 1342 1342/1342 1342 ± 0.00003653 5.524 5.159/5.686 5.461 ± 0.4108
6 1342 1342/1342 1342 ± 0.00002351 5.043 4.869/5.207 5.01 ± 0.2832
7 1342 1342/1342 1342 ± 0.00002351 5.074 4.904/5.294 5.094 ± 0.2691
8 1342 1342/1342 1342 ± 0.00002351 5.127 4.911/5.247 5.078 ± 0.2882
9 1342 1342/1342 1342 ± 0.00002396 5.245 4.982/5.376 5.167 ± 0.3116
10 1342 1342/1342 1342 ± 0.00002348 5.981 5.8/6.172 5.927 ± 0.3237
11 1342 1342/1342 1342 ± 0.00002348 6.288 6.136/6.393 6.219 ± 0.3411
12 1342 1342/1342 1342 ± 0.00002348 6.487 6.282/6.626 6.424 ± 0.3685
13 1342 1342/1342 1342 ± 0.00002348 6.937 6.81/7.137 6.89 ± 0.4111
14 1342 1342/1342 1342 ± 0.00002348 7.144 6.935/7.349 7.086 ± 0.4498
15 1342 1342/1342 1342 ± 0.00003978 6.094 5.804/6.579 6.167 ± 0.59
16 1342 1342/1342 1342 ± 0.00006057 4.528 4.402/4.652 4.533 ± 0.2024
17 1342 1342/1342 1342 ± 0.00006103 4.922 4.746/5.106 4.923 ± 0.2867
vis
VLASS2.1.sb38501480.eb38632936.59097.386918425924_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
Start time
2024-11-02 19:13:29.123
End
2024-11-02 20:08:49.487
Duration
0:55:20.364
Note, WebLog generation is not included in the time.

CASA logs for stage 8