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 5.677 5.462/6.253 5.777 ± 0.7544
ea02 1342 1342/1342 1342 ± 0.00004127 5.654 5.344/6.478 5.738 ± 0.7067
ea03 1342 1342/1342 1342 ± 0.00001994 5.586 5.346/6.575 5.855 ± 0.7286
ea04 1342 1342/1342 1342 ± 0.00004291 5.33 5.053/6.021 5.383 ± 0.6713
ea05 1342 1342/1342 1342 ± 0.00004328 5.554 5.213/6.458 5.659 ± 0.7763
ea06 1342 1342/1342 1342 ± 0.00001471 5.514 4.946/6.117 5.485 ± 0.6491
ea07 1342 1342/1342 1342 ± 0.00004243 5.49 5.016/6.324 5.564 ± 0.7567
ea08 1342 1342/1342 1342 ± 0.00003533 5.671 5.32/6.723 5.883 ± 0.7822
ea09 1342 1342/1342 1342 ± 0.00004163 5.417 4.89/5.961 5.406 ± 0.7206
ea10 1342 1342/1342 1342 ± 0.00004304 5.252 4.721/6.004 5.251 ± 0.684
ea11 1342 1342/1342 1342 ± 0.00004645 5.385 4.768/6.169 5.4 ± 0.8012
ea13 1342 1342/1342 1342 ± 0.00001439 5.382 5.123/6.066 5.536 ± 0.5299
ea14 1342 1342/1342 1342 ± 0.00004249 5.559 5.179/6.448 5.73 ± 0.7821
ea15 1342 1342/1342 1342 ± 0.0000444 5.766 5.512/6.624 5.827 ± 0.8997
ea16 1342 1342/1342 1342 ± 0.00001326 5.925 5.456/6.605 5.999 ± 0.7927
ea17 1342 1342/1342 1342 ± 0.00004249 5.8 5.282/6.659 5.889 ± 0.8481
ea18 1342 1342/1342 1342 ± 0.00003867 5.97 5.525/6.683 5.977 ± 0.7442
ea19 1342 1342/1342 1342 ± 0.00002735 5.667 5.373/6.402 5.701 ± 0.7834
ea20 1342 1342/1342 1342 ± 0.00002098 5.616 5.335/6.156 5.708 ± 0.6873
ea21 1342 1342/1342 1342 ± 0.00000544 5.141 4.98/5.858 5.328 ± 0.5624
ea22 1342 1342/1342 1342 ± 0.00003874 5.73 5.154/6.489 5.717 ± 0.7524
ea23 1342 1342/1342 1342 ± 0.00004373 5.961 5.286/6.518 5.853 ± 0.79
ea24 1342 1342/1342 1342 ± 0.000004843 5.171 4.97/6.238 5.506 ± 0.6873
ea25 1342 1342/1342 1342 ± 0.000007941 6.088 5.554/6.752 6.254 ± 0.8212
ea27 1342 1342/1342 1342 ± 0.000009781 5.591 5.068/6.459 5.556 ± 0.853
ea28 1342 1342/1342 1342 ± 0.00001188 5.727 5.463/6.585 5.885 ± 0.7227
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 5.323 5.061/5.445 5.266 ± 0.2514
5 1342 1342/1342 1342 ± 0.00003134 4.931 4.739/5.327 4.981 ± 0.3729
6 1342 1342/1342 1342 ± 0.00002348 5.284 5.094/5.501 5.284 ± 0.2636
7 1342 1342/1342 1342 ± 0.00002348 5.377 5.154/5.558 5.356 ± 0.2427
8 1342 1342/1342 1342 ± 0.00002348 5.356 5.081/5.525 5.327 ± 0.2748
9 1342 1342/1342 1342 ± 0.00002363 5.662 5.517/5.911 5.648 ± 0.2941
10 1342 1342/1342 1342 ± 0.00002392 6.16 5.947/6.324 6.135 ± 0.282
11 1342 1342/1342 1342 ± 0.00002348 6.468 6.154/6.599 6.398 ± 0.2632
12 1342 1342/1342 1342 ± 0.00002348 6.609 6.354/6.763 6.558 ± 0.3157
13 1342 1342/1342 1342 ± 0.00002348 6.761 6.483/6.999 6.788 ± 0.3929
14 1342 1342/1342 1342 ± 0.00002851 6.095 5.737/6.393 6.124 ± 0.5048
15 1342 1342/1342 1342 ± 0.00002476 6.47 6.035/6.718 6.34 ± 0.4778
16 1342 1342/1342 1342 ± 0.00005998 4.596 4.348/4.822 4.601 ± 0.3742
17 1342 1342/1342 1342 ± 0.00006075 4.491 4.299/4.673 4.505 ± 0.3193
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS3.2.sb45544419.eb45877457.60435.173042256945_split_split.ms
statwtmode
VLASS-SE
output_dir
 
Start time
2025-07-19 13:23:52.863
End
2025-07-19 14:18:29.799
Duration
0:54:36.936
Note, WebLog generation is not included in the time.

CASA logs for stage 8