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

Statwt Summary Plot

VLASS2.1.sb38610763.eb38659643.59111.9147512037_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 5.56 5.319/5.974 5.713 ± 0.5569
ea02 1342 1342/1342 1342 ± 0 5.524 5.241/6.227 5.738 ± 0.6557
ea04 1342 1342/1342 1342 ± 0 5.218 4.931/5.852 5.413 ± 0.5388
ea05 1342 1342/1342 1342 ± 0 5.52 5.075/5.911 5.553 ± 0.555
ea06 1342 1342/1342 1342 ± 0 4.957 4.707/5.385 5.048 ± 0.3995
ea07 1342 1342/1342 1342 ± 0 5.984 5.433/6.164 5.951 ± 0.5817
ea08 1342 1342/1342 1342 ± 0.000001276 5.793 5.515/6.591 6.063 ± 0.6852
ea09 1342 1342/1342 1342 ± 0 5.309 4.84/5.936 5.414 ± 0.6259
ea10 1342 1342/1342 1342 ± 0 6.037 5.354/6.673 6.012 ± 0.7403
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.677 5.331/6.36 5.887 ± 0.6472
ea13 1342 1342/1342 1342 ± 0 5.56 5.225/5.955 5.683 ± 0.5608
ea14 1342 1342/1342 1342 ± 0 5.715 5.232/6.313 5.808 ± 0.6767
ea15 1342 1342/1342 1342 ± 0 5.397 5.033/6.049 5.592 ± 0.6269
ea16 1342 1342/1342 1342 ± 0 5.983 5.575/6.71 6.186 ± 0.7425
ea17 1342 1342/1342 1342 ± 0.000001276 5.991 5.605/6.535 6.114 ± 0.6602
ea18 1342 1342/1342 1342 ± 0 5.01 4.698/5.53 5.103 ± 0.5573
ea19 1342 1342/1342 1342 ± 0 5.868 5.411/6.571 6.048 ± 0.652
ea20 1342 1342/1342 1342 ± 0 6.04 5.657/6.697 6.217 ± 0.6581
ea21 1342 1342/1342 1342 ± 0 5.65 5.292/6.197 5.766 ± 0.5757
ea22 1342 1342/1342 1342 ± 0 5.24 5.021/6.048 5.502 ± 0.6416
ea23 1342 1342/1342 1342 ± 0 6.008 5.482/6.406 6.076 ± 0.6824
ea25 1342 1342/1342 1342 ± 0 5.719 5.304/6.18 5.807 ± 0.5629
ea26 1342 1342/1342 1342 ± 0 5.624 5.174/6.428 5.723 ± 0.682
ea27 1342 1342/1342 1342 ± 0.000006621 5.6 5.306/6.37 5.772 ± 0.6159
ea28 1342 1342/1342 1342 ± 0.0000279 5.686 5.423/6.454 5.936 ± 0.6737
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 5.229 5.064/5.498 5.266 ± 0.2668
3 1342 1342/1342 1342 ± 0.00002394 5.077 4.753/5.362 5.079 ± 0.3167
4 1342 1342/1342 1342 ± 0.00002415 5.259 5.021/5.502 5.227 ± 0.3564
5 1342 1342/1342 1342 ± 0.00002394 5.31 5.007/5.431 5.238 ± 0.3214
6 1342 1342/1342 1342 ± 0.00002394 5.238 5.05/5.369 5.175 ± 0.3188
7 1342 1342/1342 1342 ± 0.00002394 5.288 5.055/5.408 5.249 ± 0.2568
8 1342 1342/1342 1342 ± 0.00002394 5.284 4.954/5.422 5.2 ± 0.2978
9 1342 1342/1342 1342 ± 0.00002394 5.51 5.238/5.792 5.48 ± 0.3487
10 1342 1342/1342 1342 ± 0.00002394 5.972 5.787/6.106 5.909 ± 0.341
11 1342 1342/1342 1342 ± 0.00002394 6.132 5.959/6.356 6.121 ± 0.3388
12 1342 1342/1342 1342 ± 0.00002439 6.351 6.096/6.564 6.298 ± 0.3775
13 1342 1342/1342 1342 ± 0.00002394 6.77 6.511/7.018 6.734 ± 0.3875
14 1342 1342/1342 1342 ± 0.00002394 6.967 6.75/7.241 6.929 ± 0.4234
15 1342 1342/1342 1342 ± 0.00002394 6.678 6.405/6.894 6.58 ± 0.4151
16 1342 1342/1342 1342 ± 0.00002814 5.8 5.64/6.151 5.888 ± 0.4193
17 1342 1342/1342 1342 ± 0.00002927 5.877 5.548/6.222 5.895 ± 0.4174
vis
VLASS2.1.sb38610763.eb38659643.59111.9147512037_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
Start time
2024-12-31 10:07:46.404
End
2024-12-31 10:52:23.433
Duration
0:44:37.029
Note, WebLog generation is not included in the time.

CASA logs for stage 8