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 5.465 5.186/5.894 5.604 ± 0.4939
ea02 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0 5.533 5.177/6.024 5.638 ± 0.5208
ea05 1342 1342/1342 1342 ± 0 5.6 5.271/6.201 5.75 ± 0.559
ea06 1342 1342/1342 1342 ± 0 4.967 4.78/5.336 5.055 ± 0.357
ea07 1342 1342/1342 1342 ± 0 5.763 5.45/6.19 5.919 ± 0.5387
ea08 1342 1342/1342 1342 ± 0 5.739 5.467/6.489 5.96 ± 0.6398
ea09 1342 1342/1342 1342 ± 0 5.597 5.112/6.294 5.695 ± 0.5861
ea10 1342 1342/1342 1342 ± 0 5.631 5.305/6.528 5.845 ± 0.6617
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.833 5.365/6.25 5.913 ± 0.5976
ea13 1342 1342/1342 1342 ± 0 6.021 5.644/6.174 5.975 ± 0.4359
ea14 1342 1342/1342 1342 ± 0 5.706 5.212/6.279 5.754 ± 0.6221
ea15 1342 1342/1342 1342 ± 0 5.576 5.098/6.131 5.677 ± 0.6399
ea16 1342 1342/1342 1342 ± 0 6.097 5.582/6.53 6.164 ± 0.698
ea17 1342 1342/1342 1342 ± 0.000004529 5.917 5.566/6.382 6.02 ± 0.6109
ea18 1342 1342/1342 1342 ± 0 5.052 4.799/5.465 5.138 ± 0.4839
ea19 1342 1342/1342 1342 ± 0 5.945 5.546/6.549 6.077 ± 0.6189
ea20 1342 1342/1342 1342 ± 0 6.101 5.784/6.73 6.21 ± 0.6364
ea21 1342 1342/1342 1342 ± 0 5.563 5.349/6.203 5.758 ± 0.5324
ea22 1342 1342/1342 1342 ± 0 5.524 5.151/6.22 5.67 ± 0.61
ea23 1342 1342/1342 1342 ± 0 5.885 5.49/6.536 6.037 ± 0.6507
ea25 1342 1342/1342 1342 ± 0.000001068 5.497 5.211/5.981 5.609 ± 0.5476
ea26 1342 1342/1342 1342 ± 0 5.89 5.548/6.569 6.051 ± 0.6283
ea27 1342 1342/1342 1342 ± 0.00003864 5.51 5.211/6.303 5.702 ± 0.5734
ea28 1342 1342/1342 1342 ± 0 5.527 5.312/6.272 5.73 ± 0.6236
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 ± 0.00002443 5.426 5.213/5.58 5.399 ± 0.2545
3 1342 1342/1342 1342 ± 0.0000265 4.998 4.856/5.241 5.04 ± 0.2448
4 1342 1342/1342 1342 ± 0.00002443 5.238 4.997/5.367 5.179 ± 0.2972
5 1342 1342/1342 1342 ± 0.00002443 5.313 5.104/5.464 5.295 ± 0.297
6 1342 1342/1342 1342 ± 0.00002458 5.227 5.068/5.383 5.213 ± 0.2715
7 1342 1342/1342 1342 ± 0.00002443 5.352 5.214/5.505 5.363 ± 0.2468
8 1342 1342/1342 1342 ± 0.00002443 5.342 5.132/5.534 5.305 ± 0.2766
9 1342 1342/1342 1342 ± 0.00002443 5.564 5.432/5.848 5.562 ± 0.3046
10 1342 1342/1342 1342 ± 0.00002443 5.957 5.887/6.179 5.966 ± 0.2975
11 1342 1342/1342 1342 ± 0.00002443 6.182 6.097/6.439 6.182 ± 0.3268
12 1342 1342/1342 1342 ± 0.00002443 6.331 6.128/6.573 6.323 ± 0.3527
13 1342 1342/1342 1342 ± 0.00002443 6.748 6.574/6.99 6.737 ± 0.3688
14 1342 1342/1342 1342 ± 0.00002443 6.875 6.707/7.156 6.867 ± 0.3906
15 1342 1342/1342 1342 ± 0.00002443 6.529 6.36/6.693 6.452 ± 0.3816
16 1342 1342/1342 1342 ± 0.00003269 5.825 5.668/6.112 5.844 ± 0.321
17 1342 1342/1342 1342 ± 0.00003328 5.756 5.615/6.018 5.796 ± 0.3116
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.1.sb38541375.eb38627613.59093.84554634259_split_split.ms
statwtmode
VLASS-SE
Start time
2024-05-01 10:21:46.949
End
2024-05-01 11:26:33.087
Duration
1:04:46.138
Note, WebLog generation is not included in the time.

CASA logs for stage 7