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

Statwt Summary Plot

VLASS2.1.sb38610195.eb38638028.59101.102248043986_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 5.741 5.424/6.23 5.869 ± 0.6401
ea02 1342 1342/1342 1342 ± 0 5.952 5.525/6.627 6.149 ± 0.7152
ea04 1342 1342/1342 1342 ± 0 5.678 5.159/6.242 5.779 ± 0.6185
ea05 1342 1342/1342 1342 ± 0 6.003 5.382/6.533 5.925 ± 0.647
ea06 1342 1342/1342 1342 ± 0 4.939 4.759/5.301 5.023 ± 0.3619
ea07 1342 1342/1342 1342 ± 0 6.273 5.606/6.44 6.212 ± 0.6275
ea08 1342 1342/1342 1342 ± 0 5.968 5.663/6.77 6.235 ± 0.725
ea09 1342 1342/1342 1342 ± 0 5.857 5.34/6.456 5.968 ± 0.6826
ea10 1342 1342/1342 1342 ± 0 6.142 5.41/6.68 6.101 ± 0.7173
ea11 1342 1342/1342 1342 ± 0 6.103 5.321/6.552 6.04 ± 0.7248
ea12 1342 1342/1342 1342 ± 0 5.793 5.461/6.602 6.122 ± 0.7219
ea13 1342 1342/1342 1342 ± 0 6.519 5.962/6.65 6.398 ± 0.5511
ea14 1342 1342/1342 1342 ± 0 6.103 5.39/6.59 6.06 ± 0.7201
ea15 1342 1342/1342 1342 ± 0 5.877 5.216/6.406 5.925 ± 0.7298
ea16 1342 1342/1342 1342 ± 0 6.367 5.808/7.025 6.496 ± 0.7946
ea17 1342 1342/1342 1342 ± 0 6.105 5.733/6.734 6.3 ± 0.7199
ea18 1342 1342/1342 1342 ± 0 5.205 4.803/5.686 5.292 ± 0.5459
ea19 1342 1342/1342 1342 ± 0 6.401 5.731/6.995 6.455 ± 0.7336
ea20 1342 1342/1342 1342 ± 0 6.459 5.856/7.087 6.461 ± 0.6769
ea21 1342 1342/1342 1342 ± 0 6.033 5.495/6.472 6.049 ± 0.6091
ea22 1342 1342/1342 1342 ± 0 5.511 5.296/6.241 5.816 ± 0.6817
ea23 1342 1342/1342 1342 ± 0 6.31 5.602/6.745 6.301 ± 0.7397
ea25 1342 1342/1342 1342 ± 0 5.56 5.275/6.292 5.803 ± 0.6097
ea26 1342 1342/1342 1342 ± 0 6.432 5.783/7.122 6.428 ± 0.707
ea27 1342 1342/1342 1342 ± 0.00001381 5.795 5.414/6.569 5.924 ± 0.6604
ea28 1342 1342/1342 1342 ± 0.00002566 5.83 5.522/6.589 6.052 ± 0.7073
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 ± 0.00002349 5.477 5.279/5.754 5.491 ± 0.2865
3 1342 1342/1342 1342 ± 0.00003841 5.088 4.965/5.224 5.078 ± 0.2059
4 1342 1342/1342 1342 ± 0.00002437 5.415 5.132/5.594 5.342 ± 0.3385
5 1342 1342/1342 1342 ± 0.00002349 5.486 5.239/5.651 5.452 ± 0.3428
6 1342 1342/1342 1342 ± 0.00002349 5.441 5.226/5.594 5.412 ± 0.313
7 1342 1342/1342 1342 ± 0.00002349 5.459 5.301/5.617 5.458 ± 0.2845
8 1342 1342/1342 1342 ± 0.00002349 5.497 5.189/5.633 5.419 ± 0.3149
9 1342 1342/1342 1342 ± 0.00002349 5.742 5.498/5.999 5.707 ± 0.3492
10 1342 1342/1342 1342 ± 0.00002349 6.194 6.002/6.397 6.144 ± 0.3427
11 1342 1342/1342 1342 ± 0.00002349 6.495 6.273/6.586 6.379 ± 0.3549
12 1342 1342/1342 1342 ± 0.00002393 6.571 6.297/6.767 6.494 ± 0.4996
13 1342 1342/1342 1342 ± 0.00002349 7.107 6.922/7.252 7.06 ± 0.4318
14 1342 1342/1342 1342 ± 0.00002349 7.372 7.077/7.638 7.291 ± 0.4702
15 1342 1342/1342 1342 ± 0.00002352 6.986 6.75/7.249 6.909 ± 0.479
16 1342 1342/1342 1342 ± 0.00002773 6.254 5.919/6.558 6.219 ± 0.4391
17 1342 1342/1342 1342 ± 0.00002864 6.236 5.985/6.461 6.198 ± 0.4119
datacolumn
residual_data
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38610195.eb38638028.59101.102248043986_split_split.ms
statwtmode
VLASS-SE
Start time
2025-01-08 10:27:30.733
End
2025-01-08 11:38:54.545
Duration
1:11:23.812
Note, WebLog generation is not included in the time.

CASA logs for stage 8