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 5.185 5.023/6.033 5.473 ± 0.71
ea02 1342 1342/1342 1342 ± 0.00004006 5.765 5.178/6.576 5.853 ± 0.8171
ea04 1342 1342/1342 1342 ± 0.00001515 5.242 4.875/5.78 5.332 ± 0.6747
ea05 1342 1342/1342 1342 ± 0.000007963 5.424 5.004/6.253 5.668 ± 0.7313
ea06 1342 1342/1342 1342 ± 0.0000121 4.762 4.535/5.431 4.945 ± 0.6228
ea07 1342 1342/1342 1342 ± 0.00004361 5.757 5.229/6.184 5.713 ± 0.8503
ea08 1342 1342/1342 1342 ± 0.00004408 5.831 5.337/6.715 5.98 ± 0.9128
ea09 1342 1342/1342 1342 ± 0.00001894 5.539 5.087/6.308 5.697 ± 0.6882
ea10 1342 1342/1342 1342 ± 0.00004388 5.728 5.059/6.599 5.722 ± 0.9
ea11 1342 1342/1342 1342 ± 0.00004337 5.566 4.971/6.272 5.604 ± 0.84
ea12 1342 1342/1342 1342 ± 0.00001929 5.512 5.147/6.382 5.679 ± 0.8386
ea13 1342 1342/1342 1342 ± 0.000009356 5.648 5.488/6.272 5.901 ± 0.6129
ea14 1342 1342/1342 1342 ± 0.00003804 5.47 5.127/6.353 5.654 ± 0.8366
ea15 1342 1342/1342 1342 ± 0.000007173 5.283 4.977/6.109 5.499 ± 0.8049
ea16 1342 1342/1342 1342 ± 0.00001758 5.804 5.355/6.765 5.965 ± 0.9696
ea17 1342 1342/1342 1342 ± 0.00004398 5.76 5.19/6.71 5.858 ± 0.8941
ea18 1342 1342/1342 1342 ± 0.00004372 4.754 4.564/5.5 4.953 ± 0.5982
ea19 1342 1342/1342 1342 ± 0.00002316 5.683 5.451/6.769 6.005 ± 0.8329
ea20 1342 1342/1342 1342 ± 0.00003572 5.779 5.595/6.659 5.99 ± 0.9082
ea21 1342 1342/1342 1342 ± 0.00003027 5.473 5.183/6.253 5.622 ± 0.7786
ea22 1342 1342/1342 1342 ± 0.0000276 5.248 4.927/6.356 5.63 ± 0.731
ea23 1342 1342/1342 1342 ± 0.00004379 5.676 5.283/6.498 5.783 ± 0.9389
ea25 1342 1342/1342 1342 ± 0.0000438 5.376 4.983/6.111 5.484 ± 0.7848
ea26 1342 1342/1342 1342 ± 0.00001981 5.797 5.571/6.772 6.079 ± 0.7472
ea27 1342 1342/1342 1342 ± 0.0000439 5.376 5.01/6.287 5.535 ± 0.8028
ea28 1342 1342/1342 1342 ± 0.00004414 5.487 5.24/6.443 5.755 ± 0.8616
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 ± 0.00002358 5.193 4.999/5.503 5.222 ± 0.2865
5 1342 1342/1342 1342 ± 0.00003845 5.514 5.214/5.763 5.516 ± 0.3518
6 1342 1342/1342 1342 ± 0.00002358 5.189 4.977/5.382 5.147 ± 0.2862
7 1342 1342/1342 1342 ± 0.00002358 5.184 5.031/5.405 5.198 ± 0.2689
8 1342 1342/1342 1342 ± 0.00002358 5.224 5.008/5.321 5.158 ± 0.2824
9 1342 1342/1342 1342 ± 0.00002358 5.472 5.283/5.755 5.455 ± 0.3104
10 1342 1342/1342 1342 ± 0.00002358 5.957 5.844/6.139 5.931 ± 0.3096
11 1342 1342/1342 1342 ± 0.00002358 6.262 6.107/6.368 6.19 ± 0.3193
12 1342 1342/1342 1342 ± 0.00002358 6.382 6.181/6.577 6.368 ± 0.3548
13 1342 1342/1342 1342 ± 0.00002358 6.786 6.64/7.024 6.772 ± 0.3703
14 1342 1342/1342 1342 ± 0.00002358 6.99 6.799/7.255 6.966 ± 0.4055
15 1342 1342/1342 1342 ± 0.00002615 6.361 6.077/6.671 6.312 ± 0.4715
16 1342 1342/1342 1342 ± 0.00006002 4.382 4.225/4.673 4.449 ± 0.2953
17 1342 1342/1342 1342 ± 0.00006085 4.455 4.314/4.707 4.537 ± 0.3608
vis
VLASS2.1.sb38500385.eb38635359.59099.351010810184_split_split.ms
output_dir
 
overwrite_modelcol
False
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2024-11-02 16:05:59.342
End
2024-11-02 17:01:15.786
Duration
0:55:16.444
Note, WebLog generation is not included in the time.

CASA logs for stage 8