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

Statwt Summary Plot

VLASS2.1.sb38500385.eb38635359.59099.351010810184_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 5.684 5.178/6.134 5.635 ± 0.7633
ea02 1342 1342/1342 1342 ± 0.00004467 5.595 5.169/6.71 5.853 ± 0.9872
ea04 1342 1342/1342 1342 ± 0.00001862 5.453 4.923/5.982 5.438 ± 0.7688
ea05 1342 1342/1342 1342 ± 0.00002482 5.609 4.983/6.379 5.687 ± 0.8395
ea06 1342 1342/1342 1342 ± 0.00002198 4.748 4.302/5.327 4.822 ± 0.594
ea07 1342 1342/1342 1342 ± 0.00003408 5.788 5.249/6.336 5.837 ± 0.9491
ea08 1342 1342/1342 1342 ± 0.00003453 6.562 5.522/6.843 6.14 ± 0.99
ea09 1342 1342/1342 1342 ± 0.00003042 5.722 5.045/6.376 5.67 ± 0.8388
ea10 1342 1342/1342 1342 ± 0.00004145 5.8 5.189/6.773 5.863 ± 0.9882
ea11 1342 1342/1342 1342 ± 0.00003858 5.3 4.992/6.451 5.715 ± 0.9399
ea12 1342 1342/1342 1342 ± 0.00003089 5.822 5.196/6.528 5.758 ± 0.9778
ea13 1342 1342/1342 1342 ± 0.00002512 5.912 5.317/6.384 5.913 ± 0.8114
ea14 1342 1342/1342 1342 ± 0.00003213 5.474 5.135/6.474 5.721 ± 0.8917
ea15 1342 1342/1342 1342 ± 0.00001849 5.054 4.97/6.227 5.521 ± 0.8867
ea16 1342 1342/1342 1342 ± 0.00003042 5.899 5.42/6.909 6.055 ± 1.018
ea17 1342 1342/1342 1342 ± 0.00003492 6.016 5.514/7 6.04 ± 0.9402
ea18 1342 1342/1342 1342 ± 0.00003727 4.772 4.569/5.696 5.028 ± 0.6959
ea19 1342 1342/1342 1342 ± 0.00001651 5.975 5.479/6.918 6.086 ± 0.9485
ea20 1342 1342/1342 1342 ± 0.00003328 5.823 5.632/6.976 6.069 ± 1.029
ea21 1342 1342/1342 1342 ± 0.00003038 5.526 5.272/6.456 5.736 ± 0.8799
ea22 1342 1342/1342 1342 ± 0.00003841 5.15 4.916/6.371 5.549 ± 0.8465
ea23 1342 1342/1342 1342 ± 0.00003343 5.654 5.318/6.687 5.88 ± 1.046
ea25 1342 1342/1342 1342 ± 0.00004268 5.159 5.084/6.323 5.555 ± 0.9161
ea26 1342 1342/1342 1342 ± 0.00001651 5.82 5.65/6.877 6.096 ± 0.9284
ea27 1342 1342/1342 1342 ± 0.00003951 5.461 5.263/6.549 5.716 ± 0.8668
ea28 1342 1342/1342 1342 ± 0.00004322 5.682 5.291/6.616 5.819 ± 0.9472
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 5.422 5.15/5.739 5.402 ± 0.3308
5 1342 1342/1342 1342 ± 0.00002439 5.936 5.592/6.149 5.893 ± 0.4181
6 1342 1342/1342 1342 ± 0.00002349 5.212 4.965/5.336 5.153 ± 0.2937
7 1342 1342/1342 1342 ± 0.00002349 5.219 5.032/5.425 5.203 ± 0.2915
8 1342 1342/1342 1342 ± 0.00002349 5.249 5.037/5.362 5.18 ± 0.3115
9 1342 1342/1342 1342 ± 0.00002409 5.457 5.114/5.739 5.361 ± 0.3986
10 1342 1342/1342 1342 ± 0.00002349 6.063 5.914/6.232 6.013 ± 0.3272
11 1342 1342/1342 1342 ± 0.00002349 6.356 6.182/6.469 6.289 ± 0.3484
12 1342 1342/1342 1342 ± 0.00002349 6.525 6.334/6.707 6.494 ± 0.3843
13 1342 1342/1342 1342 ± 0.00002349 6.967 6.874/7.145 6.93 ± 0.4071
14 1342 1342/1342 1342 ± 0.00002349 7.106 6.924/7.344 7.08 ± 0.4599
15 1342 1342/1342 1342 ± 0.00002435 6.754 6.457/6.982 6.654 ± 0.4694
16 1342 1342/1342 1342 ± 0.00005999 4.199 4.045/4.364 4.203 ± 0.2133
17 1342 1342/1342 1342 ± 0.00006036 4.253 4.071/4.434 4.259 ± 0.2341
datacolumn
residual_data
vis
VLASS2.1.sb38500385.eb38635359.59099.351010810184_split_split.ms
output_dir
 
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-01-08 07:55:14.414
End
2025-01-08 08:24:00.721
Duration
0:28:46.307
Note, WebLog generation is not included in the time.

CASA logs for stage 8