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

Statwt Summary Plot

VLASS2.1.sb38450628.eb38515240.59049.50130047454_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 5.407 5.279/6.026 5.483 ± 0.8451
ea02 1342 1342/1342 1342 ± 0.00004614 6.009 5.462/6.726 5.862 ± 1.02
ea04 1342 1342/1342 1342 ± 0.00004529 5.454 5.077/6.128 5.332 ± 0.9221
ea05 1342 1342/1342 1342 ± 0.00001401 5.407 5.026/6.141 5.449 ± 0.8162
ea06 1342 1342/1342 1342 ± 0.00004404 5.284 4.985/5.999 5.221 ± 0.8746
ea07 1342 1342/1342 1342 ± 0.00004082 5.818 5.333/6.109 5.57 ± 0.8522
ea09 1342 1342/1342 1342 ± 0.00002881 5.452 5.06/6.062 5.395 ± 0.7776
ea10 1342 1342/1342 1342 ± 0.00004224 5.159 4.81/5.805 5.12 ± 0.7584
ea11 1342 1342/1342 1342 ± 0.00004237 6.011 5.455/6.578 5.751 ± 0.966
ea12 1342 1342/1342 1342 ± 0.00004277 5.894 5.487/6.555 5.779 ± 1.022
ea13 1342 1342/1342 1342 ± 0.00002272 5.66 5.543/6.284 5.73 ± 0.8475
ea14 1342 1342/1342 1342 ± 0.00002431 5.696 5.262/6.516 5.626 ± 0.9614
ea15 1342 1342/1342 1342 ± 0.00004008 5.569 5.35/6.567 5.646 ± 1.096
ea16 1342 1342/1342 1342 ± 0.00001936 5.772 5.546/6.738 5.873 ± 0.9279
ea17 1342 1342/1342 1342 ± 0.00004445 5.912 5.438/6.54 5.836 ± 0.9697
ea18 1342 1342/1342 1342 ± 0.00004452 5.073 4.865/5.583 5.018 ± 0.7136
ea19 1342 1342/1342 1342 ± 0.000007369 5.663 5.432/6.484 5.706 ± 0.8679
ea20 1342 1342/1342 1342 ± 0.00003538 6.133 6.022/7.051 6.251 ± 0.9521
ea21 1342 1342/1342 1342 ± 0.00002227 5.559 5.308/6.265 5.496 ± 0.8995
ea22 1342 1342/1342 1342 ± 0.00003292 5.482 5.214/6.54 5.625 ± 0.9677
ea23 1342 1342/1342 1342 ± 0.00002801 5.915 5.52/6.436 5.864 ± 0.8669
ea24 1342 1342/1342 1342 ± 0.00001908 4.92 4.776/6.046 5.238 ± 0.7129
ea25 1342 1342/1342 1342 ± 0.00004261 5.703 5.329/6.289 5.598 ± 0.8824
ea26 1342 1342/1342 1342 ± 0.000028 5.77 5.657/6.784 5.89 ± 0.9601
ea27 1342 1342/1342 1342 ± 0.00004207 5.678 5.252/6.572 5.646 ± 0.9259
ea28 1342 1342/1342 1342 ± 0.00004262 5.817 5.48/6.747 5.855 ± 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 ± 0.00002363 5.449 5.329/5.655 5.443 ± 0.3098
3 1342 1342/1342 1342 ± 0.00004739 5.784 5.36/6.114 5.741 ± 0.5439
5 1342 1342/1342 1342 ± 0.00002798 5.197 5.027/5.449 5.239 ± 0.2886
6 1342 1342/1342 1342 ± 0.00002363 5.393 5.113/5.541 5.329 ± 0.2604
7 1342 1342/1342 1342 ± 0.00002363 5.441 5.222/5.547 5.364 ± 0.2631
8 1342 1342/1342 1342 ± 0.00002363 5.369 5.055/5.484 5.312 ± 0.301
9 1342 1342/1342 1342 ± 0.00002363 5.664 5.289/5.774 5.586 ± 0.2956
10 1342 1342/1342 1342 ± 0.00002363 6.123 5.883/6.215 6.036 ± 0.2809
11 1342 1342/1342 1342 ± 0.00002363 6.377 6.06/6.542 6.326 ± 0.2883
12 1342 1342/1342 1342 ± 0.00002363 6.48 6.274/6.728 6.497 ± 0.3244
13 1342 1342/1342 1342 ± 0.00002363 6.68 6.383/6.92 6.606 ± 0.3833
14 1342 1342/1342 1342 ± 0.00003115 6.325 6.092/6.765 6.357 ± 0.4979
15 1342 1342/1342 1342 ± 0.00002538 6.539 6.012/6.805 6.409 ± 0.4964
16 1342 1342/1342 1342 ± 0.00005482 3.583 3.456/3.766 3.612 ± 0.2475
17 1342 1342/1342 1342 ± 0.00005748 3.728 3.565/3.955 3.778 ± 0.325
statwtmode
VLASS-SE
output_dir
 
vis
VLASS2.1.sb38450628.eb38515240.59049.50130047454_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
Start time
2024-11-01 20:06:59.095
End
2024-11-01 21:07:49.757
Duration
1:00:50.663
Note, WebLog generation is not included in the time.

CASA logs for stage 8