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

Statwt Summary Plot

VLASS2.1.sb38667356.eb38705720.59131.46099141204_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 5.614 5.539/6.35 5.928 ± 0.611
ea02 1342 1342/1342 1342 ± 0.00004188 6.15 5.677/6.823 6.284 ± 0.6547
ea03 1342 1342/1342 1342 ± 0 5.748 5.003/6.189 5.648 ± 0.6123
ea04 1342 1342/1342 1342 ± 0 5.667 5.249/6.27 5.743 ± 0.5856
ea05 1342 1342/1342 1342 ± 0 6.156 5.598/6.656 6.027 ± 0.686
ea06 1342 1342/1342 1342 ± 0 4.906 4.834/4.959 4.947 ± 0.3385
ea07 1342 1342/1342 1342 ± 0.000001248 6.157 5.727/6.513 6.256 ± 0.6287
ea08 1342 1342/1342 1342 ± 0.000002163 6.169 5.759/6.953 6.332 ± 0.7095
ea09 1342 1342/1342 1342 ± 0.000001248 5.99 5.473/6.71 6.063 ± 0.7076
ea10 1342 1342/1342 1342 ± 0.000001777 6.097 5.586/6.788 6.174 ± 0.6847
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 6.101 5.512/6.566 6.114 ± 0.7078
ea13 1342 1342/1342 1342 ± 0 6.584 6.06/6.783 6.399 ± 0.6554
ea14 1342 1342/1342 1342 ± 0 6.07 5.389/6.742 6.056 ± 0.8115
ea15 1342 1342/1342 1342 ± 0 6.22 5.71/6.698 6.273 ± 0.706
ea16 1342 1342/1342 1342 ± 0 6.436 5.932/6.983 6.452 ± 0.7661
ea17 1342 1342/1342 1342 ± 0 6.659 6.066/7.276 6.699 ± 0.6645
ea18 1342 1342/1342 1342 ± 0 5.222 4.828/5.662 5.258 ± 0.5381
ea19 1342 1342/1342 1342 ± 0 6.284 5.633/6.776 6.212 ± 0.6356
ea20 1342 1342/1342 1342 ± 0 6.176 5.623/6.744 6.132 ± 0.6961
ea21 1342 1342/1342 1342 ± 0 5.966 5.643/6.609 6.098 ± 0.637
ea22 1342 1342/1342 1342 ± 0 6.03 5.468/6.42 5.95 ± 0.575
ea23 1342 1342/1342 1342 ± 0 6.197 5.734/6.774 6.269 ± 0.7079
ea24 1342 1342/1342 1342 ± 0.000001249 6.172 5.703/6.815 6.179 ± 0.6935
ea25 1342 1342/1342 1342 ± 0 5.905 5.467/6.469 5.947 ± 0.6247
ea26 1342 1342/1342 1342 ± 0 6.639 5.975/7.276 6.572 ± 0.7553
ea27 1342 1342/1342 1342 ± 0 5.729 5.623/6.62 5.993 ± 0.644
ea28 1342 1342/1342 1342 ± 0.000001249 5.757 5.447/6.471 5.923 ± 0.649
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 ± 0.00002351 5.67 5.426/5.796 5.594 ± 0.3285
4 1342 1342/1342 1342 ± 0.00002566 4.858 4.657/5.057 4.838 ± 0.2416
5 1342 1342/1342 1342 ± 0.00002351 5.602 5.465/5.792 5.6 ± 0.3577
6 1342 1342/1342 1342 ± 0.00002351 5.566 5.408/5.744 5.545 ± 0.3407
7 1342 1342/1342 1342 ± 0.00002351 5.624 5.453/5.718 5.569 ± 0.3149
8 1342 1342/1342 1342 ± 0.00002351 5.507 5.318/5.699 5.481 ± 0.3436
9 1342 1342/1342 1342 ± 0.00002351 5.832 5.551/6.12 5.759 ± 0.381
10 1342 1342/1342 1342 ± 0.00002386 6.281 6.103/6.502 6.255 ± 0.3428
11 1342 1342/1342 1342 ± 0.00002386 6.573 6.302/6.662 6.472 ± 0.3307
12 1342 1342/1342 1342 ± 0.00002386 6.641 6.486/6.79 6.635 ± 0.3655
13 1342 1342/1342 1342 ± 0.00002386 7.105 6.984/7.228 7.078 ± 0.3755
14 1342 1342/1342 1342 ± 0.00002386 7.251 7.093/7.532 7.251 ± 0.4015
15 1342 1342/1342 1342 ± 0.00002386 6.845 6.617/7.101 6.836 ± 0.3723
16 1342 1342/1342 1342 ± 0.00002433 6.158 5.969/6.408 6.212 ± 0.3589
17 1342 1342/1342 1342 ± 0.00002433 6.251 6.002/6.498 6.251 ± 0.3623
statwtmode
VLASS-SE
vis
VLASS2.1.sb38667356.eb38705720.59131.46099141204_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
Start time
2025-01-11 03:08:29.710
End
2025-01-11 04:07:02.646
Duration
0:58:32.936
Note, WebLog generation is not included in the time.

CASA logs for stage 8