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

Statwt Summary Plot

VLASS2.1.sb38537053.eb38580096.59080.031941134264_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 5.787 5.217/6.031 5.657 ± 0.5351
ea02 1342 1342/1342 1342 ± 0.00002225 5.868 5.26/6.491 5.877 ± 0.6552
ea04 1342 1342/1342 1342 ± 0 5.323 4.847/5.939 5.381 ± 0.5991
ea05 1342 1342/1342 1342 ± 0 5.774 5.141/6.308 5.702 ± 0.6052
ea06 1342 1342/1342 1342 ± 0.00002052 4.821 4.567/5.271 4.932 ± 0.4364
ea07 1342 1342/1342 1342 ± 0 5.729 5.302/6.076 5.782 ± 0.5683
ea08 1342 1342/1342 1342 ± 0 5.742 5.503/6.635 6.058 ± 0.6355
ea09 1342 1342/1342 1342 ± 0 5.697 5.13/6.314 5.718 ± 0.6006
ea11 1342 1342/1342 1342 ± 0 5.719 5.121/6.212 5.774 ± 0.6061
ea12 1342 1342/1342 1342 ± 0 5.703 5.139/6.185 5.724 ± 0.6139
ea13 1342 1342/1342 1342 ± 0 5.938 5.641/6.274 6.028 ± 0.4986
ea14 1342 1342/1342 1342 ± 0 5.965 5.274/6.364 5.87 ± 0.6661
ea15 1342 1342/1342 1342 ± 0 5.364 4.776/5.966 5.444 ± 0.7404
ea16 1342 1342/1342 1342 ± 0 5.994 5.462/6.458 6.038 ± 0.7438
ea17 1342 1342/1342 1342 ± 0.000008617 5.983 5.433/6.677 6.049 ± 0.6577
ea18 1342 1342/1342 1342 ± 0 5.125 4.725/5.553 5.144 ± 0.4998
ea19 1342 1342/1342 1342 ± 0 5.99 5.29/6.508 5.921 ± 0.6731
ea20 1342 1342/1342 1342 ± 0 5.922 5.467/6.555 6.023 ± 0.6646
ea21 1342 1342/1342 1342 ± 0 5.548 5.178/6.137 5.659 ± 0.582
ea22 1342 1342/1342 1342 ± 0 5.592 5.228/6.381 5.766 ± 0.668
ea23 1342 1342/1342 1342 ± 0 5.828 5.398/6.48 5.957 ± 0.6729
ea25 1342 1342/1342 1342 ± 0 5.492 5.2/6.06 5.642 ± 0.5601
ea26 1342 1342/1342 1342 ± 0 5.685 5.404/6.239 5.813 ± 0.5628
ea27 1342 1342/1342 1342 ± 0.00002067 5.458 5.104/6.262 5.617 ± 0.6142
ea28 1342 1342/1342 1342 ± 0.00001355 5.582 5.294/6.35 5.809 ± 0.6479
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 ± 0.00002394 5.239 5.097/5.437 5.23 ± 0.2637
3 1342 1342/1342 1342 ± 0.0000248 5.019 4.851/5.168 4.987 ± 0.2535
4 1342 1342/1342 1342 ± 0.00003081 5.037 4.832/5.279 4.994 ± 0.3108
5 1342 1342/1342 1342 ± 0.00002394 5.21 5.025/5.363 5.203 ± 0.3296
6 1342 1342/1342 1342 ± 0.00002394 5.195 5.005/5.315 5.163 ± 0.2923
7 1342 1342/1342 1342 ± 0.00002394 5.253 5.118/5.408 5.224 ± 0.2627
8 1342 1342/1342 1342 ± 0.00002394 5.262 5.054/5.417 5.209 ± 0.2769
9 1342 1342/1342 1342 ± 0.00002394 5.549 5.296/5.746 5.491 ± 0.3248
10 1342 1342/1342 1342 ± 0.00002394 5.974 5.784/6.098 5.904 ± 0.3139
11 1342 1342/1342 1342 ± 0.00002394 6.215 5.987/6.321 6.123 ± 0.316
12 1342 1342/1342 1342 ± 0.00002394 6.311 6.134/6.489 6.26 ± 0.3368
13 1342 1342/1342 1342 ± 0.00002394 6.783 6.643/6.932 6.732 ± 0.3427
14 1342 1342/1342 1342 ± 0.00002394 6.935 6.701/7.114 6.867 ± 0.3833
15 1342 1342/1342 1342 ± 0.00002394 6.464 6.322/6.677 6.411 ± 0.3623
16 1342 1342/1342 1342 ± 0.00002849 5.786 5.696/5.954 5.817 ± 0.3061
17 1342 1342/1342 1342 ± 0.0000264 5.815 5.708/6.014 5.846 ± 0.2909
output_dir
 
vis
VLASS2.1.sb38537053.eb38580096.59080.031941134264_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
Start time
2024-12-13 10:31:58.861
End
2024-12-13 11:37:27.383
Duration
1:05:28.522
Note, WebLog generation is not included in the time.

CASA logs for stage 8