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

Statwt Summary Plot

VLASS2.2.sb40233904.eb40478968.59488.05569084491_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 6.061 5.78/6.853 6.344 ± 0.6728
ea02 1342 1342/1342 1342 ± 0.000006687 6.312 5.754/7.043 6.454 ± 0.7286
ea03 1342 1342/1342 1342 ± 0.00002839 5.603 5.186/6.716 5.867 ± 0.786
ea04 1342 1342/1342 1342 ± 0 6.005 5.454/6.837 6.132 ± 0.7122
ea06 1342 1342/1342 1342 ± 0 6.605 5.652/6.784 6.301 ± 0.7014
ea07 1342 1342/1342 1342 ± 0 6.11 5.457/6.281 6.031 ± 0.5785
ea08 1342 1342/1342 1342 ± 0.00002156 6.287 5.789/7.089 6.507 ± 0.7088
ea09 1342 1342/1342 1342 ± 0 6.048 5.592/7.021 6.235 ± 0.7312
ea10 1342 1342/1342 1342 ± 0.000008884 6.159 5.557/6.887 6.261 ± 0.666
ea11 1342 1342/1342 1342 ± 0 6.583 5.633/7.162 6.517 ± 0.8049
ea12 1342 1342/1342 1342 ± 0 6.382 5.77/7.037 6.483 ± 0.7502
ea13 1342 1342/1342 1342 ± 0.000002472 6.187 6.026/6.875 6.478 ± 0.6044
ea14 1342 1342/1342 1342 ± 0 6.452 5.655/6.999 6.397 ± 0.7976
ea15 1342 1342/1342 1342 ± 0 6.311 5.588/6.803 6.269 ± 0.7673
ea16 1342 1342/1342 1342 ± 0 6.443 5.82/6.914 6.471 ± 0.7343
ea17 1342 1342/1342 1342 ± 0 6.735 6.23/7.723 6.943 ± 0.7594
ea18 1342 1342/1342 1342 ± 0 5.061 4.664/5.46 5.069 ± 0.4942
ea19 1342 1342/1342 1342 ± 0 6.66 5.913/7.215 6.608 ± 0.7401
ea20 1342 1342/1342 1342 ± 0 6.318 5.787/7.259 6.465 ± 0.7339
ea21 1342 1342/1342 1342 ± 0 6.285 5.672/6.828 6.296 ± 0.6798
ea22 1342 1342/1342 1342 ± 0 6.671 5.741/7.08 6.496 ± 0.7571
ea23 1342 1342/1342 1342 ± 0 6.407 5.889/7.011 6.54 ± 0.7709
ea24 1342 1342/1342 1342 ± 0 6.106 5.395/6.871 6.135 ± 0.7208
ea25 1342 1342/1342 1342 ± 0 6.336 5.447/6.766 6.234 ± 0.8074
ea26 1342 1342/1342 1342 ± 0 6.287 5.824/7.215 6.463 ± 0.729
ea27 1342 1342/1342 1342 ± 0.000003837 6.166 5.606/7.136 6.36 ± 0.7566
ea28 1342 1342/1342 1342 ± 0 6.207 5.795/6.99 6.41 ± 0.7286
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 ± 0.00002309 5.62 5.504/5.771 5.591 ± 0.3033
4 1342 1342/1342 1342 ± 0.00002362 5.52 5.254/5.584 5.44 ± 0.3957
5 1342 1342/1342 1342 ± 0.00002309 5.681 5.454/5.912 5.653 ± 0.3468
6 1342 1342/1342 1342 ± 0.00002309 5.619 5.502/5.817 5.613 ± 0.3004
7 1342 1342/1342 1342 ± 0.00002309 5.719 5.521/5.855 5.69 ± 0.2948
8 1342 1342/1342 1342 ± 0.00002309 5.692 5.457/5.849 5.67 ± 0.3231
9 1342 1342/1342 1342 ± 0.00002309 6.015 5.89/6.174 5.991 ± 0.3397
10 1342 1342/1342 1342 ± 0.00002309 6.541 6.316/6.67 6.471 ± 0.3584
11 1342 1342/1342 1342 ± 0.00002309 6.806 6.617/6.962 6.719 ± 0.3715
12 1342 1342/1342 1342 ± 0.00002309 6.919 6.748/7.08 6.88 ± 0.3965
13 1342 1342/1342 1342 ± 0.00002309 7.413 7.184/7.6 7.376 ± 0.4125
14 1342 1342/1342 1342 ± 0.00002309 7.708 7.467/7.845 7.614 ± 0.4083
15 1342 1342/1342 1342 ± 0.00002309 7.359 7.111/7.462 7.236 ± 0.3956
16 1342 1342/1342 1342 ± 0.00002309 6.472 6.37/6.761 6.494 ± 0.4038
17 1342 1342/1342 1342 ± 0.00003505 6.356 6.131/6.732 6.388 ± 0.4252
vis
VLASS2.2.sb40233904.eb40478968.59488.05569084491_split_split.ms
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-06-03 21:23:32.735
End
2025-06-03 21:51:27.958
Duration
0:27:55.223
Note, WebLog generation is not included in the time.

CASA logs for stage 8