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

Statwt Summary Plot

VLASS3.2.sb45544419.eb45877457.60435.173042256945_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 5.673 5.431/6.28 5.776 ± 0.7578
ea02 1342 1342/1342 1342 ± 0.00003923 5.661 5.381/6.523 5.76 ± 0.7206
ea03 1342 1342/1342 1342 ± 0 5.56 5.4/6.393 5.865 ± 0.671
ea04 1342 1342/1342 1342 ± 0.00003614 5.29 5.074/6.064 5.413 ± 0.6106
ea05 1342 1342/1342 1342 ± 0.00004307 5.522 5.246/6.473 5.676 ± 0.7663
ea06 1342 1342/1342 1342 ± 0.000006553 5.469 4.927/5.937 5.417 ± 0.583
ea07 1342 1342/1342 1342 ± 0.00004035 5.264 5.113/6.348 5.609 ± 0.7552
ea08 1342 1342/1342 1342 ± 0.00003289 5.811 5.456/6.894 5.98 ± 0.8312
ea09 1342 1342/1342 1342 ± 0.00003788 5.285 5.073/5.749 5.42 ± 0.7302
ea10 1342 1342/1342 1342 ± 0.00004334 5.267 4.844/6.006 5.27 ± 0.6745
ea11 1342 1342/1342 1342 ± 0.00004746 5.357 4.82/6.137 5.363 ± 0.7829
ea13 1342 1342/1342 1342 ± 0 5.592 5.374/6.3 5.717 ± 0.5634
ea14 1342 1342/1342 1342 ± 0.00004274 5.58 5.387/6.614 5.78 ± 0.7581
ea15 1342 1342/1342 1342 ± 0.00004507 5.62 5.533/6.683 5.778 ± 0.895
ea16 1342 1342/1342 1342 ± 0.000006691 5.993 5.405/6.618 5.966 ± 0.7669
ea17 1342 1342/1342 1342 ± 0.00004207 5.8 5.407/6.69 5.937 ± 0.8272
ea18 1342 1342/1342 1342 ± 0.00002562 5.904 5.619/6.982 6.045 ± 0.8428
ea19 1342 1342/1342 1342 ± 0.00001587 5.448 5.304/6.439 5.658 ± 0.7352
ea20 1342 1342/1342 1342 ± 0.000002012 5.77 5.627/6.432 5.98 ± 0.6801
ea21 1342 1342/1342 1342 ± 0 5.196 4.979/5.879 5.343 ± 0.5669
ea22 1342 1342/1342 1342 ± 0.00003599 5.852 5.349/6.653 5.848 ± 0.7811
ea23 1342 1342/1342 1342 ± 0.00004243 5.633 5.207/6.433 5.735 ± 0.7533
ea24 1342 1342/1342 1342 ± 0 5.363 5.175/6.528 5.733 ± 0.7118
ea25 1342 1342/1342 1342 ± 0.000003632 6 5.551/6.743 6.247 ± 0.8256
ea27 1342 1342/1342 1342 ± 0.000002298 5.342 5.102/6.492 5.549 ± 0.8029
ea28 1342 1342/1342 1342 ± 0 5.835 5.72/6.827 6.074 ± 0.7435
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 ± 0.00002364 5.38 5.101/5.435 5.326 ± 0.2345
5 1342 1342/1342 1342 ± 0.00002413 5.344 5.111/5.509 5.319 ± 0.3298
6 1342 1342/1342 1342 ± 0.00002351 5.398 5.166/5.629 5.395 ± 0.2847
7 1342 1342/1342 1342 ± 0.00002351 5.425 5.23/5.637 5.399 ± 0.2592
8 1342 1342/1342 1342 ± 0.00002351 5.402 5.179/5.616 5.379 ± 0.2741
9 1342 1342/1342 1342 ± 0.00002351 5.689 5.556/5.909 5.696 ± 0.3032
10 1342 1342/1342 1342 ± 0.00002396 6.256 6.017/6.387 6.182 ± 0.3085
11 1342 1342/1342 1342 ± 0.00002351 6.484 6.294/6.655 6.469 ± 0.2758
12 1342 1342/1342 1342 ± 0.00002351 6.668 6.428/6.867 6.637 ± 0.3333
13 1342 1342/1342 1342 ± 0.00002351 6.826 6.595/7.147 6.843 ± 0.3917
14 1342 1342/1342 1342 ± 0.00003214 5.764 5.479/6.385 5.937 ± 0.6373
15 1342 1342/1342 1342 ± 0.00002351 6.526 6.028/6.88 6.438 ± 0.515
16 1342 1342/1342 1342 ± 0.00006103 4.604 4.379/4.86 4.653 ± 0.4087
17 1342 1342/1342 1342 ± 0.000061 4.485 4.3/4.695 4.509 ± 0.3097
vis
VLASS3.2.sb45544419.eb45877457.60435.173042256945_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
datacolumn
residual_data
output_dir
 
Start time
2025-07-19 22:29:53.418
End
2025-07-19 23:37:40.267
Duration
1:07:46.850
Note, WebLog generation is not included in the time.

CASA logs for stage 8