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

Statwt Summary Plot

VLASS2.1.sb38541375.eb38627613.59093.84554634259_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 5.582 5.242/6.036 5.673 ± 0.5433
ea02 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0 5.475 5.074/6.057 5.627 ± 0.5705
ea05 1342 1342/1342 1342 ± 0 5.717 5.31/6.28 5.813 ± 0.59
ea06 1342 1342/1342 1342 ± 0 5.059 4.803/5.463 5.122 ± 0.4042
ea07 1342 1342/1342 1342 ± 0 5.893 5.411/6.218 5.944 ± 0.5684
ea08 1342 1342/1342 1342 ± 0 5.904 5.45/6.548 6.023 ± 0.6566
ea09 1342 1342/1342 1342 ± 0 5.656 5.119/6.318 5.704 ± 0.6111
ea10 1342 1342/1342 1342 ± 0 5.753 5.265/6.491 5.825 ± 0.6687
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.776 5.319/6.345 5.922 ± 0.6421
ea13 1342 1342/1342 1342 ± 0 5.903 5.631/6.261 5.995 ± 0.4905
ea14 1342 1342/1342 1342 ± 0 5.742 5.216/6.294 5.78 ± 0.6506
ea15 1342 1342/1342 1342 ± 0 5.548 5.057/6.114 5.648 ± 0.6762
ea16 1342 1342/1342 1342 ± 0 6.088 5.604/6.557 6.173 ± 0.7176
ea17 1342 1342/1342 1342 ± 0.000001848 5.954 5.56/6.454 6.071 ± 0.625
ea18 1342 1342/1342 1342 ± 0 5.017 4.744/5.463 5.122 ± 0.5135
ea19 1342 1342/1342 1342 ± 0 5.938 5.525/6.559 6.101 ± 0.6327
ea20 1342 1342/1342 1342 ± 0 6.098 5.686/6.716 6.192 ± 0.6508
ea21 1342 1342/1342 1342 ± 0 5.596 5.322/6.21 5.753 ± 0.5473
ea22 1342 1342/1342 1342 ± 0 5.637 5.169/6.267 5.73 ± 0.6448
ea23 1342 1342/1342 1342 ± 0 5.937 5.412/6.491 5.993 ± 0.6691
ea25 1342 1342/1342 1342 ± 0 5.537 5.18/6.125 5.649 ± 0.5687
ea26 1342 1342/1342 1342 ± 0 5.891 5.499/6.502 5.99 ± 0.6467
ea27 1342 1342/1342 1342 ± 0.00002356 5.571 5.211/6.334 5.707 ± 0.619
ea28 1342 1342/1342 1342 ± 0 5.576 5.313/6.307 5.79 ± 0.629
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 ± 0.00002439 5.346 5.15/5.529 5.336 ± 0.2383
3 1342 1342/1342 1342 ± 0.00002604 5.04 4.871/5.31 5.072 ± 0.2727
4 1342 1342/1342 1342 ± 0.00002485 5.128 4.88/5.24 5.066 ± 0.2998
5 1342 1342/1342 1342 ± 0.00002439 5.326 5.067/5.463 5.295 ± 0.2961
6 1342 1342/1342 1342 ± 0.00002439 5.27 5.065/5.423 5.245 ± 0.2664
7 1342 1342/1342 1342 ± 0.00002439 5.324 5.19/5.481 5.326 ± 0.2314
8 1342 1342/1342 1342 ± 0.00002439 5.341 5.116/5.485 5.284 ± 0.2642
9 1342 1342/1342 1342 ± 0.00002439 5.559 5.406/5.82 5.56 ± 0.2958
10 1342 1342/1342 1342 ± 0.00002439 6.01 5.871/6.183 5.978 ± 0.2913
11 1342 1342/1342 1342 ± 0.00002439 6.25 6.118/6.379 6.199 ± 0.3097
12 1342 1342/1342 1342 ± 0.00002439 6.371 6.189/6.516 6.339 ± 0.3337
13 1342 1342/1342 1342 ± 0.00002439 6.761 6.648/6.931 6.759 ± 0.3515
14 1342 1342/1342 1342 ± 0.00002439 6.915 6.737/7.201 6.919 ± 0.3756
15 1342 1342/1342 1342 ± 0.00002439 6.626 6.429/6.807 6.552 ± 0.3575
16 1342 1342/1342 1342 ± 0.00002835 5.95 5.769/6.132 5.939 ± 0.3149
17 1342 1342/1342 1342 ± 0.00002709 5.933 5.748/6.092 5.908 ± 0.2988
datacolumn
residual_data
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38541375.eb38627613.59093.84554634259_split_split.ms
statwtmode
VLASS-SE
Start time
2024-05-01 15:24:32.849
End
2024-05-01 16:32:22.514
Duration
1:07:49.664
Note, WebLog generation is not included in the time.

CASA logs for stage 7