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

Statwt Summary Plot

VLASS2.1.sb38664748.eb38688475.59125.74132475695_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 5.151 5.025/5.804 5.266 ± 0.6936
ea02 1342 1342/1342 1342 ± 0.00004405 5.544 5.249/6.363 5.619 ± 0.8556
ea03 1342 1342/1342 1342 ± 0.000009148 4.762 4.582/5.729 5.051 ± 0.6721
ea04 1342 1342/1342 1342 ± 0.000029 5.199 5.012/6.03 5.288 ± 0.8235
ea05 1342 1342/1342 1342 ± 0.00002052 5.388 5.016/6.089 5.518 ± 0.7216
ea06 1342 1342/1342 1342 ± 0.00003252 4.918 4.785/5.518 4.965 ± 0.6984
ea07 1342 1342/1342 1342 ± 0.00004437 5.425 5.231/6.186 5.553 ± 0.8131
ea08 1342 1342/1342 1342 ± 0.00004575 5.771 5.47/6.625 5.863 ± 0.9322
ea09 1342 1342/1342 1342 ± 0.00001674 5.3 5.12/6.149 5.43 ± 0.7744
ea10 1342 1342/1342 1342 ± 0.0000421 5.668 5.07/6.396 5.543 ± 0.8735
ea11 1342 1342/1342 1342 ± 0.0000452 5.395 4.977/6.249 5.418 ± 0.8528
ea12 1342 1342/1342 1342 ± 0.00003602 5.327 5.13/6.348 5.513 ± 0.8896
ea13 1342 1342/1342 1342 ± 0.00001937 5.778 5.605/6.398 5.81 ± 0.7607
ea14 1342 1342/1342 1342 ± 0.00002975 5.286 5.059/6.314 5.495 ± 0.8175
ea15 1342 1342/1342 1342 ± 0.00002549 5.182 5.062/6.244 5.477 ± 0.9418
ea16 1342 1342/1342 1342 ± 0.0000265 5.707 5.419/6.701 5.82 ± 0.9192
ea17 1342 1342/1342 1342 ± 0.00005068 5.85 5.411/6.582 5.878 ± 0.9482
ea18 1342 1342/1342 1342 ± 0.000045 4.659 4.479/5.332 4.775 ± 0.6061
ea19 1342 1342/1342 1342 ± 0.00001735 5.45 5.237/6.241 5.635 ± 0.7077
ea21 1342 1342/1342 1342 ± 0.00002187 5.503 5.105/6.195 5.555 ± 0.7447
ea22 1342 1342/1342 1342 ± 0.00004113 5.336 4.925/6.221 5.435 ± 0.8112
ea23 1342 1342/1342 1342 ± 0.00004107 5.414 5.228/6.484 5.65 ± 0.8985
ea25 1342 1342/1342 1342 ± 0.0000483 5.249 5.089/6.065 5.38 ± 0.7993
ea26 1342 1342/1342 1342 ± 0.00002872 5.622 5.423/6.495 5.786 ± 0.8573
ea27 1342 1342/1342 1342 ± 0.00004878 5.355 5.019/6.302 5.443 ± 0.821
ea28 1342 1342/1342 1342 ± 0.00004805 5.332 5.065/6.083 5.38 ± 0.7699
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 ± 0.00002348 5.111 5.018/5.334 5.139 ± 0.2402
3 1342 1342/1342 1342 ± 0.00006103 4.889 4.625/5.239 4.939 ± 0.4655
5 1342 1342/1342 1342 ± 0.00002348 5.168 4.986/5.386 5.187 ± 0.3187
6 1342 1342/1342 1342 ± 0.00002348 5.18 5.001/5.345 5.171 ± 0.2904
7 1342 1342/1342 1342 ± 0.00002348 5.165 5.1/5.297 5.196 ± 0.2489
8 1342 1342/1342 1342 ± 0.00002348 5.198 5.021/5.393 5.187 ± 0.2759
9 1342 1342/1342 1342 ± 0.00002348 5.493 5.35/5.762 5.499 ± 0.3119
10 1342 1342/1342 1342 ± 0.00002348 5.908 5.738/6.08 5.871 ± 0.3111
11 1342 1342/1342 1342 ± 0.00002348 6.226 6.061/6.363 6.164 ± 0.3058
12 1342 1342/1342 1342 ± 0.00002348 6.363 6.195/6.487 6.329 ± 0.3185
13 1342 1342/1342 1342 ± 0.00002379 6.496 6.332/6.663 6.462 ± 0.356
14 1342 1342/1342 1342 ± 0.00004183 6.319 5.939/6.556 6.251 ± 0.4272
15 1342 1342/1342 1342 ± 0.00002762 6.479 6.257/6.736 6.452 ± 0.4467
16 1342 1342/1342 1342 ± 0.00005712 3.837 3.653/4.003 3.82 ± 0.2614
17 1342 1342/1342 1342 ± 0.00006007 4.002 3.791/4.187 4.004 ± 0.3219
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38664748.eb38688475.59125.74132475695_split_split.ms
Start time
2025-01-04 10:22:19.504
End
2025-01-04 11:33:21.259
Duration
1:11:01.755
Note, WebLog generation is not included in the time.

CASA logs for stage 8