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

Statwt Summary Plot

VLASS2.1.sb38499285.eb38509861.59047.50492306713_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 5.553 5.441/6.191 5.639 ± 0.7743
ea02 1342 1342/1342 1342 ± 0.0000415 5.99 5.604/6.895 6.029 ± 0.913
ea04 1342 1342/1342 1342 ± 0 5.068 4.875/5.963 5.267 ± 0.7581
ea05 1342 1342/1342 1342 ± 0.000008126 5.436 5.085/6.415 5.666 ± 0.7528
ea06 1342 1342/1342 1342 ± 0.000001254 5.098 4.756/5.677 5.066 ± 0.7437
ea07 1342 1342/1342 1342 ± 0.0000428 5.991 5.456/6.29 5.758 ± 0.8143
ea08 1342 1342/1342 1342 ± 0.00004161 6.145 5.734/7.064 6.187 ± 0.9721
ea09 1342 1342/1342 1342 ± 0.00002361 5.295 5.019/5.943 5.364 ± 0.5824
ea10 1342 1342/1342 1342 ± 0.00004177 5.177 4.908/5.911 5.253 ± 0.6954
ea11 1342 1342/1342 1342 ± 0.00004204 5.999 5.501/6.722 5.893 ± 0.9771
ea12 1342 1342/1342 1342 ± 0.000005566 5.43 5.328/6.454 5.609 ± 0.9452
ea13 1342 1342/1342 1342 ± 0.00002202 6.075 5.762/6.477 6.073 ± 0.7445
ea14 1342 1342/1342 1342 ± 0.000005076 5.695 5.321/6.614 5.798 ± 0.7927
ea15 1342 1342/1342 1342 ± 0 5.143 5.084/6.291 5.519 ± 0.8916
ea16 1342 1342/1342 1342 ± 0.00001706 5.854 5.465/6.652 5.858 ± 0.8421
ea17 1342 1342/1342 1342 ± 0.00004263 6.028 5.667/6.785 6.072 ± 0.9415
ea18 1342 1342/1342 1342 ± 0.00003219 5.035 4.78/5.774 5.069 ± 0.7314
ea19 1342 1342/1342 1342 ± 0 5.712 5.404/6.753 5.921 ± 0.7967
ea20 1342 1342/1342 1342 ± 0.00001541 6.068 5.765/6.963 6.096 ± 1.115
ea21 1342 1342/1342 1342 ± 0.00001316 5.444 5.285/6.294 5.571 ± 0.7685
ea22 1342 1342/1342 1342 ± 0.00003622 5.586 5.17/6.483 5.744 ± 0.8085
ea23 1342 1342/1342 1342 ± 0.00004469 6.473 6.169/6.739 6.022 ± 1.103
ea24 1342 1342/1342 1342 ± 0.00001481 5.352 4.929/6.29 5.565 ± 0.6724
ea25 1342 1342/1342 1342 ± 0.00004204 5.843 5.474/6.483 5.783 ± 0.872
ea26 1342 1342/1342 1342 ± 0.00003234 5.942 5.741/7.023 6.178 ± 0.8372
ea27 1342 1342/1342 1342 ± 0.00004338 5.745 5.311/6.593 5.735 ± 0.8631
ea28 1342 1342/1342 1342 ± 0.0000415 5.928 5.566/6.911 5.99 ± 0.9864
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 ± 0.0000237 5.802 5.341/5.993 5.683 ± 0.4009
3 1342 1342/1342 1342 ± 0.00003056 5.368 5.039/5.618 5.314 ± 0.3865
5 1342 1342/1342 1342 ± 0.00002444 5.414 5.173/5.656 5.406 ± 0.3693
6 1342 1342/1342 1342 ± 0.0000237 5.41 5.099/5.656 5.391 ± 0.3433
7 1342 1342/1342 1342 ± 0.0000237 5.447 5.103/5.62 5.412 ± 0.3252
8 1342 1342/1342 1342 ± 0.0000237 5.335 5.083/5.613 5.366 ± 0.3532
9 1342 1342/1342 1342 ± 0.00002395 5.693 5.419/5.94 5.652 ± 0.3736
10 1342 1342/1342 1342 ± 0.00002329 6.172 5.849/6.335 6.088 ± 0.3778
11 1342 1342/1342 1342 ± 0.00002329 6.432 6.199/6.624 6.385 ± 0.363
12 1342 1342/1342 1342 ± 0.00002329 6.649 6.356/6.817 6.564 ± 0.3993
13 1342 1342/1342 1342 ± 0.00002329 6.884 6.513/7.071 6.778 ± 0.4235
14 1342 1342/1342 1342 ± 0.00002484 6.601 6.257/6.953 6.603 ± 0.5132
15 1342 1342/1342 1342 ± 0.00002437 6.749 6.36/6.981 6.648 ± 0.4629
16 1342 1342/1342 1342 ± 0.00006096 4.058 3.843/4.316 4.106 ± 0.354
17 1342 1342/1342 1342 ± 0.0000608 4.215 4.013/4.476 4.228 ± 0.3537
output_dir
 
vis
VLASS2.1.sb38499285.eb38509861.59047.50492306713_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2024-11-23 09:27:58.216
End
2024-11-23 10:23:49.310
Duration
0:55:51.094
Note, WebLog generation is not included in the time.

CASA logs for stage 8