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 6.33 5.897/6.928 6.414 ± 0.8017
ea03 1342 1342/1342 1342 ± 0.000004657 5.687 5.166/6.58 5.787 ± 0.871
ea04 1342 1342/1342 1342 ± 0 5.784 5.3/6.488 5.868 ± 0.81
ea05 1342 1342/1342 1342 ± 0 6.266 5.728/7.076 6.296 ± 0.8837
ea06 1342 1342/1342 1342 ± 0 6.193 5.71/6.657 6.181 ± 0.7484
ea07 1342 1342/1342 1342 ± 0 6.301 5.502/6.529 6.126 ± 0.7298
ea08 1342 1342/1342 1342 ± 0 6.2 5.537/6.86 6.206 ± 0.8369
ea09 1342 1342/1342 1342 ± 0 6.147 5.596/6.847 6.215 ± 0.9021
ea10 1342 1342/1342 1342 ± 0 6.276 5.712/7.096 6.308 ± 0.9065
ea11 1342 1342/1342 1342 ± 0 6.397 5.477/6.834 6.176 ± 0.909
ea12 1342 1342/1342 1342 ± 0 6.571 5.767/6.949 6.407 ± 0.9094
ea13 1342 1342/1342 1342 ± 0 5.864 5.797/6.416 6.107 ± 0.5017
ea14 1342 1342/1342 1342 ± 0 6.361 5.766/7.035 6.384 ± 0.9013
ea15 1342 1342/1342 1342 ± 0 5.893 5.433/6.487 5.958 ± 0.7591
ea16 1342 1342/1342 1342 ± 0 6.534 5.92/7.06 6.516 ± 0.8536
ea17 1342 1342/1342 1342 ± 0 6.845 6.305/7.844 6.977 ± 0.8673
ea18 1342 1342/1342 1342 ± 0 5.27 4.845/5.673 5.332 ± 0.507
ea19 1342 1342/1342 1342 ± 0 6.775 5.927/7.302 6.579 ± 0.8375
ea20 1342 1342/1342 1342 ± 0 5.985 5.651/6.724 6.132 ± 0.8177
ea21 1342 1342/1342 1342 ± 0 5.512 5.205/6.073 5.627 ± 0.5821
ea22 1342 1342/1342 1342 ± 0.00001098 6.412 5.491/6.76 6.154 ± 0.8001
ea23 1342 1342/1342 1342 ± 0 6.461 5.851/6.908 6.479 ± 0.7519
ea24 1342 1342/1342 1342 ± 0 6.186 5.388/6.634 5.98 ± 0.7241
ea25 1342 1342/1342 1342 ± 0 6.753 5.809/7.229 6.518 ± 0.954
ea26 1342 1342/1342 1342 ± 0 6.744 6.089/7.517 6.625 ± 1.045
ea27 1342 1342/1342 1342 ± 0 6.175 5.674/7.008 6.213 ± 0.8665
ea28 1342 1342/1342 1342 ± 0 6.211 5.892/7.115 6.442 ± 0.8323
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 5.722 5.428/5.891 5.664 ± 0.3364
3 1342 1342/1342 1342 ± 0.00002514 5.309 5.067/5.429 5.272 ± 0.3091
4 1342 1342/1342 1342 ± 0.00002713 4.368 4.209/4.45 4.406 ± 0.2784
5 1342 1342/1342 1342 ± 0.00002305 5.776 5.426/5.867 5.675 ± 0.347
6 1342 1342/1342 1342 ± 0.00002305 5.682 5.466/5.859 5.63 ± 0.3078
7 1342 1342/1342 1342 ± 0.00002305 5.717 5.49/5.867 5.672 ± 0.3107
8 1342 1342/1342 1342 ± 0.00002305 5.574 5.347/5.841 5.595 ± 0.3447
9 1342 1342/1342 1342 ± 0.00002305 5.925 5.666/6.143 5.893 ± 0.3389
10 1342 1342/1342 1342 ± 0.00002305 6.582 6.292/6.697 6.462 ± 0.3484
11 1342 1342/1342 1342 ± 0.00002305 6.768 6.53/6.969 6.7 ± 0.3603
12 1342 1342/1342 1342 ± 0.00002305 6.903 6.609/7.066 6.833 ± 0.4346
13 1342 1342/1342 1342 ± 0.00002305 7.409 7.136/7.775 7.387 ± 0.466
14 1342 1342/1342 1342 ± 0.00002305 7.655 7.216/7.927 7.589 ± 0.4742
15 1342 1342/1342 1342 ± 0.00002305 7.201 6.881/7.492 7.187 ± 0.4411
16 1342 1342/1342 1342 ± 0.00002305 6.469 6.308/6.939 6.536 ± 0.4432
17 1342 1342/1342 1342 ± 0.00002305 6.521 6.23/6.82 6.48 ± 0.4468
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
vis
VLASS2.2.sb41027522.eb41031268.59557.25108456019_split_split.ms
datacolumn
residual_data
Start time
2025-06-11 08:02:45.452
End
2025-06-11 09:05:46.776
Duration
1:03:01.324
Note, WebLog generation is not included in the time.

CASA logs for stage 8