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

Statwt Summary Plot

VLASS2.1.sb38487128.eb38624732.59090.114586261574_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 5.393 5.303/6.057 5.57 ± 0.6362
ea02 1342 1342/1342 1342 ± 0.0000415 5.816 5.388/6.653 5.907 ± 0.81
ea04 1342 1342/1342 1342 ± 0 5.35 5.158/6.072 5.548 ± 0.6248
ea05 1342 1342/1342 1342 ± 0.000009417 5.676 5.156/6.531 5.801 ± 0.6977
ea06 1342 1342/1342 1342 ± 0 5.238 4.881/5.389 5.048 ± 0.5623
ea07 1342 1342/1342 1342 ± 0.0000415 5.929 5.5/6.319 5.931 ± 0.7668
ea08 1342 1342/1342 1342 ± 0.0000415 5.943 5.557/6.763 6.065 ± 0.8294
ea09 1342 1342/1342 1342 ± 0 5.578 5.245/6.503 5.685 ± 0.7572
ea10 1342 1342/1342 1342 ± 0.0000415 5.545 5.253/6.679 5.834 ± 0.8169
ea11 1342 1342/1342 1342 ± 0.00003245 5.533 5.144/6.377 5.696 ± 0.7951
ea12 1342 1342/1342 1342 ± 0 5.661 5.39/6.576 5.878 ± 0.816
ea13 1342 1342/1342 1342 ± 0 5.99 5.812/6.45 6.069 ± 0.7076
ea14 1342 1342/1342 1342 ± 0.000002196 5.581 5.384/6.579 5.915 ± 0.7432
ea15 1342 1342/1342 1342 ± 0 5.276 5.08/6.2 5.61 ± 0.7384
ea16 1342 1342/1342 1342 ± 0.00001835 6.041 5.631/6.893 6.205 ± 0.8674
ea17 1342 1342/1342 1342 ± 0.0000415 5.869 5.6/7.016 5.985 ± 0.8432
ea18 1342 1342/1342 1342 ± 0.0000264 4.914 4.722/5.678 5.082 ± 0.5855
ea19 1342 1342/1342 1342 ± 0.000004906 5.843 5.569/6.762 6.085 ± 0.7395
ea20 1342 1342/1342 1342 ± 0.000005145 5.904 5.69/6.853 6.091 ± 0.8486
ea21 1342 1342/1342 1342 ± 0.00001585 5.619 5.405/6.392 5.806 ± 0.6819
ea22 1342 1342/1342 1342 ± 0.0000356 5.464 5.237/6.494 5.689 ± 0.7983
ea23 1342 1342/1342 1342 ± 0.00004004 5.687 5.579/6.673 6.035 ± 0.8616
ea25 1342 1342/1342 1342 ± 0.00004122 5.295 5.175/6.272 5.574 ± 0.7519
ea26 1342 1342/1342 1342 ± 0 5.818 5.643/6.917 6.114 ± 0.8101
ea27 1342 1342/1342 1342 ± 0.0000415 5.459 5.157/6.467 5.665 ± 0.7304
ea28 1342 1342/1342 1342 ± 0.0000415 5.656 5.438/6.588 5.855 ± 0.7748
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 ± 0.00002399 5.577 5.365/5.804 5.579 ± 0.2525
3 1342 1342/1342 1342 ± 0.00002399 5.557 5.296/5.676 5.487 ± 0.2848
5 1342 1342/1342 1342 ± 0.00002399 5.504 5.26/5.631 5.472 ± 0.316
6 1342 1342/1342 1342 ± 0.00002399 5.462 5.293/5.612 5.449 ± 0.2836
7 1342 1342/1342 1342 ± 0.00002399 5.403 5.232/5.567 5.408 ± 0.246
8 1342 1342/1342 1342 ± 0.00002399 5.418 5.153/5.557 5.382 ± 0.2459
9 1342 1342/1342 1342 ± 0.00002399 5.759 5.509/5.908 5.667 ± 0.3024
10 1342 1342/1342 1342 ± 0.00002354 6.097 5.934/6.256 6.041 ± 0.3348
11 1342 1342/1342 1342 ± 0.00002354 6.35 6.218/6.516 6.291 ± 0.3516
12 1342 1342/1342 1342 ± 0.00002354 6.544 6.324/6.677 6.47 ± 0.3755
13 1342 1342/1342 1342 ± 0.00002354 6.907 6.714/7.155 6.873 ± 0.401
14 1342 1342/1342 1342 ± 0.00002354 7.046 6.783/7.308 7.025 ± 0.4617
15 1342 1342/1342 1342 ± 0.00002354 6.868 6.574/7.061 6.767 ± 0.4862
16 1342 1342/1342 1342 ± 0.000061 4.572 4.42/4.778 4.587 ± 0.2456
17 1342 1342/1342 1342 ± 0.00006056 4.594 4.452/4.75 4.596 ± 0.2312
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38487128.eb38624732.59090.114586261574_split_split.ms
output_dir
 
statwtmode
VLASS-SE
Start time
2024-04-30 20:56:54.571
End
2024-04-30 21:24:07.815
Duration
0:27:13.244
Note, WebLog generation is not included in the time.

CASA logs for stage 7