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

Statwt Summary Plot

VLASS2.1.sb38544671.eb38577571.59079.03639115741_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 5.569 5.035/5.891 5.5 ± 0.5055
ea02 1342 1342/1342 1342 ± 0 5.686 5.178/6.187 5.696 ± 0.6139
ea04 1342 1342/1342 1342 ± 0 5.412 4.852/5.875 5.399 ± 0.5782
ea05 1342 1342/1342 1342 ± 0 5.637 5.165/6.263 5.733 ± 0.6365
ea06 1342 1342/1342 1342 ± 0 4.869 4.526/5.266 4.924 ± 0.4307
ea07 1342 1342/1342 1342 ± 0 5.541 5.179/5.906 5.628 ± 0.5532
ea08 1342 1342/1342 1342 ± 0 5.688 5.367/6.433 5.893 ± 0.6208
ea09 1342 1342/1342 1342 ± 0 5.406 4.886/6.029 5.498 ± 0.6617
ea10 1342 1342/1342 1342 ± 0 5.349 4.921/6.062 5.449 ± 0.5791
ea11 1342 1342/1342 1342 ± 0 5.476 5.082/6.09 5.599 ± 0.5398
ea12 1342 1342/1342 1342 ± 0 5.499 4.974/6.108 5.604 ± 0.6813
ea13 1342 1342/1342 1342 ± 0 5.779 5.461/6.14 5.862 ± 0.5161
ea14 1342 1342/1342 1342 ± 0 5.665 5.133/6.14 5.677 ± 0.6673
ea15 1342 1342/1342 1342 ± 0 5.356 4.793/5.911 5.436 ± 0.7209
ea16 1342 1342/1342 1342 ± 0 5.875 5.377/6.376 5.919 ± 0.7311
ea17 1342 1342/1342 1342 ± 0.000001086 5.75 5.378/6.23 5.866 ± 0.5906
ea18 1342 1342/1342 1342 ± 0.000003651 4.96 4.62/5.622 5.01 ± 0.5383
ea19 1342 1342/1342 1342 ± 0 6.044 5.131/6.38 5.854 ± 0.696
ea20 1342 1342/1342 1342 ± 0 5.879 5.355/6.329 5.91 ± 0.6385
ea21 1342 1342/1342 1342 ± 0 5.451 5.03/5.999 5.514 ± 0.627
ea22 1342 1342/1342 1342 ± 0 5.458 5.156/6.203 5.625 ± 0.6451
ea23 1342 1342/1342 1342 ± 0 5.888 5.289/6.219 5.846 ± 0.6852
ea25 1342 1342/1342 1342 ± 0 5.448 5.085/5.888 5.525 ± 0.5671
ea26 1342 1342/1342 1342 ± 0 5.557 5.176/6.093 5.629 ± 0.581
ea27 1342 1342/1342 1342 ± 0.00002798 5.541 4.979/6.133 5.518 ± 0.5974
ea28 1342 1342/1342 1342 ± 0 5.529 5.239/6.207 5.685 ± 0.6538
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 ± 0.00002395 5.11 4.844/5.251 5.079 ± 0.2803
3 1342 1342/1342 1342 ± 0.00002412 4.904 4.665/5.136 4.913 ± 0.3394
4 1342 1342/1342 1342 ± 0.00002507 4.93 4.774/5.249 4.994 ± 0.3489
5 1342 1342/1342 1342 ± 0.0000235 5.12 4.947/5.341 5.099 ± 0.3354
6 1342 1342/1342 1342 ± 0.0000235 5.099 4.811/5.219 5.056 ± 0.2427
7 1342 1342/1342 1342 ± 0.0000235 5.073 4.837/5.251 5.06 ± 0.2389
8 1342 1342/1342 1342 ± 0.0000235 5.029 4.887/5.271 5.074 ± 0.2487
9 1342 1342/1342 1342 ± 0.0000235 5.409 5.207/5.568 5.361 ± 0.3091
10 1342 1342/1342 1342 ± 0.00002395 5.821 5.592/5.911 5.763 ± 0.2848
11 1342 1342/1342 1342 ± 0.0000235 6.08 5.86/6.172 5.989 ± 0.2944
12 1342 1342/1342 1342 ± 0.0000235 6.229 5.989/6.308 6.153 ± 0.2833
13 1342 1342/1342 1342 ± 0.0000235 6.567 6.396/6.802 6.551 ± 0.3282
14 1342 1342/1342 1342 ± 0.00002395 6.798 6.528/6.983 6.74 ± 0.3669
15 1342 1342/1342 1342 ± 0.00002395 6.405 6.16/6.561 6.328 ± 0.3396
16 1342 1342/1342 1342 ± 0.00003049 5.736 5.593/5.923 5.74 ± 0.2858
17 1342 1342/1342 1342 ± 0.00002566 5.817 5.613/6.02 5.778 ± 0.2917
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38544671.eb38577571.59079.03639115741_split_split.ms
overwrite_modelcol
False
Start time
2024-04-05 05:08:15.341
End
2024-04-05 06:27:20.466
Duration
1:19:05.125
Note, WebLog generation is not included in the time.

CASA logs for stage 7