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

Statwt Summary Plot

VLASS2.1.sb38452360.eb38575738.59077.463367233795_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 5.135 5.035/5.774 5.193 ± 0.8773
ea02 1342 1342/1342 1342 ± 0.00004746 5.774 5.184/6.445 5.587 ± 1.029
ea04 1342 1342/1342 1342 ± 0.00004173 5.161 4.824/5.843 5.054 ± 0.917
ea05 1342 1342/1342 1342 ± 0.00001105 5.363 4.951/6.065 5.369 ± 0.8458
ea06 1342 1342/1342 1342 ± 0.00004288 4.6 4.404/5.557 4.797 ± 0.9021
ea07 1342 1342/1342 1342 ± 0.00004217 5.423 5.095/5.888 5.298 ± 0.8782
ea08 1342 1342/1342 1342 ± 0.00004287 5.861 5.348/6.634 5.76 ± 1.123
ea09 1342 1342/1342 1342 ± 0.00002283 5.439 4.992/6.137 5.353 ± 0.8746
ea10 1342 1342/1342 1342 ± 0.00004461 5.266 4.882/6.126 5.225 ± 0.9408
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00004243 5.392 5.086/6.295 5.394 ± 1.025
ea13 1342 1342/1342 1342 ± 0.00001758 5.536 5.377/6.108 5.597 ± 0.8789
ea14 1342 1342/1342 1342 ± 0.00001773 5.584 5.187/6.341 5.469 ± 0.9739
ea15 1342 1342/1342 1342 ± 0.00004151 5.304 4.977/6.076 5.271 ± 1.09
ea16 1342 1342/1342 1342 ± 0.00002022 5.524 5.192/6.09 5.432 ± 0.9673
ea17 1342 1342/1342 1342 ± 0.00004637 5.807 5.217/6.379 5.617 ± 1.057
ea18 1342 1342/1342 1342 ± 0.00004377 4.766 4.574/5.304 4.744 ± 0.7496
ea19 1342 1342/1342 1342 ± 0.000002071 5.535 5.223/6.307 5.582 ± 0.8697
ea20 1342 1342/1342 1342 ± 0.00004317 5.63 5.521/6.53 5.666 ± 1.072
ea21 1342 1342/1342 1342 ± 0.00001669 5.388 5.11/6.015 5.282 ± 0.8735
ea22 1342 1342/1342 1342 ± 0.00003218 5.346 5.008/6.373 5.455 ± 0.9541
ea23 1342 1342/1342 1342 ± 0.00003944 5.602 5.215/6.153 5.425 ± 0.997
ea25 1342 1342/1342 1342 ± 0.00004348 5.39 4.958/5.979 5.245 ± 0.9164
ea27 1342 1342/1342 1342 ± 0.00004421 5.317 4.951/6.189 5.265 ± 0.9411
ea28 1342 1342/1342 1342 ± 0.00004403 5.436 5.217/6.264 5.481 ± 1.002
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 ± 0.0000244 5.201 5.029/5.41 5.184 ± 0.2701
5 1342 1342/1342 1342 ± 0.00003293 5.144 4.959/5.288 5.144 ± 0.2574
6 1342 1342/1342 1342 ± 0.0000244 5.109 4.999/5.228 5.078 ± 0.2624
7 1342 1342/1342 1342 ± 0.0000244 5.135 4.97/5.223 5.094 ± 0.2471
8 1342 1342/1342 1342 ± 0.0000244 5.155 4.952/5.277 5.092 ± 0.2741
9 1342 1342/1342 1342 ± 0.0000244 5.408 5.319/5.62 5.39 ± 0.3148
10 1342 1342/1342 1342 ± 0.0000244 5.87 5.7/5.929 5.808 ± 0.2873
11 1342 1342/1342 1342 ± 0.0000244 6.1 5.991/6.264 6.089 ± 0.2935
12 1342 1342/1342 1342 ± 0.0000244 6.325 6.096/6.43 6.259 ± 0.3035
13 1342 1342/1342 1342 ± 0.0000244 6.529 6.179/6.606 6.39 ± 0.3221
14 1342 1342/1342 1342 ± 0.00003258 6.069 5.67/6.387 6.057 ± 0.4916
15 1342 1342/1342 1342 ± 0.00002562 6.419 6.149/6.652 6.368 ± 0.4079
16 1342 1342/1342 1342 ± 0.00005421 3.312 3.152/3.549 3.34 ± 0.3021
17 1342 1342/1342 1342 ± 0.00005673 3.482 3.331/3.714 3.532 ± 0.2912
vis
VLASS2.1.sb38452360.eb38575738.59077.463367233795_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
Start time
2024-11-02 08:28:12.583
End
2024-11-02 09:25:58.262
Duration
0:57:45.679
Note, WebLog generation is not included in the time.

CASA logs for stage 8