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

Statwt Summary Plot

VLASS2.2.sb40233904.eb40478968.59488.05569084491_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 5.855 5.693/6.341 6.012 ± 0.4593
ea02 1342 1342/1342 1342 ± 0 5.883 5.546/6.489 6.03 ± 0.5219
ea03 1342 1342/1342 1342 ± 0.000009391 5.111 5.017/6.143 5.477 ± 0.5704
ea04 1342 1342/1342 1342 ± 0.000005113 5.262 4.842/5.363 5.189 ± 0.3347
ea06 1342 1342/1342 1342 ± 0 5.859 5.404/6.195 5.858 ± 0.4739
ea07 1342 1342/1342 1342 ± 0 5.431 5.313/5.69 5.483 ± 0.343
ea08 1342 1342/1342 1342 ± 0.000002362 5.997 5.825/6.552 6.201 ± 0.4889
ea09 1342 1342/1342 1342 ± 0 5.813 5.388/6.43 5.911 ± 0.5387
ea10 1342 1342/1342 1342 ± 0 5.581 5.363/6.194 5.747 ± 0.4484
ea11 1342 1342/1342 1342 ± 0 5.847 5.669/6.466 6.041 ± 0.5735
ea12 1342 1342/1342 1342 ± 0 5.882 5.588/6.395 5.986 ± 0.5145
ea13 1342 1342/1342 1342 ± 0 6.134 5.57/6.387 6.058 ± 0.5053
ea14 1342 1342/1342 1342 ± 0 5.747 5.424/6.308 5.908 ± 0.522
ea15 1342 1342/1342 1342 ± 0 5.604 5.351/6.269 5.81 ± 0.5537
ea16 1342 1342/1342 1342 ± 0 5.782 5.522/6.144 5.861 ± 0.4509
ea17 1342 1342/1342 1342 ± 0 6.355 6.069/6.995 6.471 ± 0.4883
ea18 1342 1342/1342 1342 ± 0 4.613 4.413/4.855 4.648 ± 0.3026
ea19 1342 1342/1342 1342 ± 0 5.844 5.784/6.596 6.151 ± 0.5015
ea20 1342 1342/1342 1342 ± 0 5.805 5.606/6.59 6.015 ± 0.5081
ea21 1342 1342/1342 1342 ± 0.00001162 5.682 5.429/6.18 5.834 ± 0.4473
ea22 1342 1342/1342 1342 ± 0 5.921 5.56/6.433 5.99 ± 0.4786
ea23 1342 1342/1342 1342 ± 0 5.817 5.647/6.466 6.102 ± 0.5695
ea24 1342 1342/1342 1342 ± 0 5.837 5.37/6.4 5.826 ± 0.5188
ea25 1342 1342/1342 1342 ± 0 5.54 5.107/5.642 5.521 ± 0.4488
ea26 1342 1342/1342 1342 ± 0 5.886 5.68/6.626 6.049 ± 0.5003
ea27 1342 1342/1342 1342 ± 0 5.699 5.447/6.458 5.892 ± 0.5356
ea28 1342 1342/1342 1342 ± 0 5.653 5.514/6.395 5.948 ± 0.5435
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 ± 0.00002308 5.695 5.573/5.885 5.652 ± 0.3429
4 1342 1342/1342 1342 ± 0.00002555 5.318 5.108/5.534 5.305 ± 0.4312
5 1342 1342/1342 1342 ± 0.00002308 5.547 5.338/5.809 5.524 ± 0.384
6 1342 1342/1342 1342 ± 0.00002308 5.452 5.359/5.671 5.435 ± 0.3244
7 1342 1342/1342 1342 ± 0.00002308 5.442 5.302/5.642 5.413 ± 0.3164
8 1342 1342/1342 1342 ± 0.00002308 5.39 5.16/5.566 5.341 ± 0.3313
9 1342 1342/1342 1342 ± 0.00002308 5.648 5.537/5.801 5.591 ± 0.3627
10 1342 1342/1342 1342 ± 0.00002308 6.058 5.799/6.203 5.957 ± 0.3902
11 1342 1342/1342 1342 ± 0.00002308 6.272 6.103/6.378 6.141 ± 0.3977
12 1342 1342/1342 1342 ± 0.00002308 6.394 6.144/6.469 6.241 ± 0.4373
13 1342 1342/1342 1342 ± 0.00002308 6.699 6.502/6.86 6.602 ± 0.439
14 1342 1342/1342 1342 ± 0.00002308 6.881 6.554/6.975 6.749 ± 0.4312
15 1342 1342/1342 1342 ± 0.00002308 6.586 6.353/6.699 6.446 ± 0.4374
16 1342 1342/1342 1342 ± 0.0000241 5.743 5.445/5.923 5.696 ± 0.3811
17 1342 1342/1342 1342 ± 0.00002453 5.644 5.375/5.81 5.579 ± 0.3371
overwrite_modelcol
False
vis
VLASS2.2.sb40233904.eb40478968.59488.05569084491_split_split.ms
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
Start time
2025-05-14 13:48:40.059
End
2025-05-14 14:34:56.286
Duration
0:46:16.227
Note, WebLog generation is not included in the time.

CASA logs for stage 8