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

Statwt Summary Plot

VLASS2.1.sb38617989.eb38636486.59099.9471230787_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 5.473 5.186/5.886 5.6 ± 0.5346
ea02 1342 1342/1342 1342 ± 0 5.667 5.355/6.391 5.886 ± 0.6533
ea04 1342 1342/1342 1342 ± 0.000001163 5.317 5.022/5.847 5.459 ± 0.5434
ea05 1342 1342/1342 1342 ± 0 5.572 5.168/6.024 5.649 ± 0.5746
ea06 1342 1342/1342 1342 ± 0 4.995 4.706/5.542 5.123 ± 0.4937
ea07 1342 1342/1342 1342 ± 0 5.826 5.377/6.07 5.854 ± 0.555
ea08 1342 1342/1342 1342 ± 0 5.603 5.403/6.464 5.929 ± 0.6714
ea09 1342 1342/1342 1342 ± 0 5.582 5.165/6.156 5.659 ± 0.626
ea10 1342 1342/1342 1342 ± 0 5.783 5.187/6.42 5.809 ± 0.6691
ea11 1342 1342/1342 1342 ± 0 5.651 5.087/6.208 5.697 ± 0.6517
ea12 1342 1342/1342 1342 ± 0 5.7 5.275/6.277 5.836 ± 0.6457
ea13 1342 1342/1342 1342 ± 0 6.013 5.678/6.292 6.079 ± 0.5093
ea14 1342 1342/1342 1342 ± 0 5.685 5.191/6.259 5.78 ± 0.6458
ea15 1342 1342/1342 1342 ± 0 5.484 5.053/6.105 5.641 ± 0.6786
ea16 1342 1342/1342 1342 ± 0 5.997 5.599/6.668 6.165 ± 0.7093
ea17 1342 1342/1342 1342 ± 0.000007614 5.823 5.497/6.366 5.981 ± 0.6204
ea18 1342 1342/1342 1342 ± 0 4.939 4.646/5.343 5.035 ± 0.4981
ea19 1342 1342/1342 1342 ± 0 5.9 5.451/6.567 6.068 ± 0.6454
ea20 1342 1342/1342 1342 ± 0 6.015 5.645/6.644 6.136 ± 0.6582
ea21 1342 1342/1342 1342 ± 0 5.642 5.301/6.11 5.743 ± 0.5363
ea22 1342 1342/1342 1342 ± 0 5.43 5.111/6.082 5.632 ± 0.6658
ea23 1342 1342/1342 1342 ± 0 5.885 5.406/6.275 5.964 ± 0.6577
ea25 1342 1342/1342 1342 ± 0.00000329 5.383 5.165/5.959 5.574 ± 0.5589
ea26 1342 1342/1342 1342 ± 0 6.137 5.591/6.809 6.12 ± 0.6599
ea27 1342 1342/1342 1342 ± 0.00003985 5.422 5.183/6.211 5.635 ± 0.5726
ea28 1342 1342/1342 1342 ± 0.00002217 5.548 5.319/6.286 5.763 ± 0.642
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 ± 0.00002348 5.31 5.157/5.567 5.32 ± 0.2546
3 1342 1342/1342 1342 ± 0.00002348 5.131 4.958/5.417 5.187 ± 0.3133
4 1342 1342/1342 1342 ± 0.00002371 5.175 4.898/5.374 5.108 ± 0.3221
5 1342 1342/1342 1342 ± 0.00002349 5.129 4.936/5.334 5.133 ± 0.3046
6 1342 1342/1342 1342 ± 0.00002348 5.238 5.064/5.448 5.229 ± 0.2818
7 1342 1342/1342 1342 ± 0.00002348 5.279 5.142/5.412 5.277 ± 0.2593
8 1342 1342/1342 1342 ± 0.00002348 5.308 5.038/5.387 5.221 ± 0.2776
9 1342 1342/1342 1342 ± 0.00002348 5.508 5.335/5.762 5.499 ± 0.3147
10 1342 1342/1342 1342 ± 0.00002348 5.947 5.719/6.092 5.906 ± 0.2978
11 1342 1342/1342 1342 ± 0.00002348 6.197 5.976/6.333 6.121 ± 0.3031
12 1342 1342/1342 1342 ± 0.00002348 6.249 6.068/6.489 6.211 ± 0.4523
13 1342 1342/1342 1342 ± 0.00002348 6.726 6.629/6.867 6.717 ± 0.3426
14 1342 1342/1342 1342 ± 0.00002348 6.952 6.695/7.148 6.913 ± 0.3671
15 1342 1342/1342 1342 ± 0.00002348 6.666 6.375/6.836 6.569 ± 0.3643
16 1342 1342/1342 1342 ± 0.00003588 5.844 5.514/6.163 5.851 ± 0.3894
17 1342 1342/1342 1342 ± 0.0000331 5.889 5.695/6.165 5.913 ± 0.3421
vis
VLASS2.1.sb38617989.eb38636486.59099.9471230787_split_split.ms
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-01-08 12:39:27.556
End
2025-01-08 13:38:04.998
Duration
0:58:37.442
Note, WebLog generation is not included in the time.

CASA logs for stage 8