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

Statwt Summary Plot

VLASS3.2.sb45458712.eb46169388.60476.06293818287_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 5.582 5.337/6.206 5.696 ± 0.7226
ea02 1342 1342/1342 1342 ± 0.00002122 5.631 5.45/6.514 5.785 ± 0.7347
ea03 1342 1342/1342 1342 ± 0 5.313 5.086/6.336 5.646 ± 0.6931
ea04 1342 1342/1342 1342 ± 0.00003347 5.374 5.005/6.248 5.48 ± 0.6747
ea05 1342 1342/1342 1342 ± 0.00004104 5.478 5.21/6.454 5.682 ± 0.7926
ea06 1342 1342/1342 1342 ± 0 5.219 4.741/5.735 5.232 ± 0.5616
ea07 1342 1342/1342 1342 ± 0.00002209 5.273 5.082/6.283 5.553 ± 0.7222
ea08 1342 1342/1342 1342 ± 0.000002392 5.736 5.477/6.73 5.871 ± 0.8319
ea09 1342 1342/1342 1342 ± 0.00002116 4.831 4.729/5.553 5.105 ± 0.5753
ea10 1342 1342/1342 1342 ± 0.00003498 4.957 4.596/5.56 4.955 ± 0.5969
ea11 1342 1342/1342 1342 ± 0.00004412 5.7 5.071/6.576 5.72 ± 0.9038
ea12 1342 1342/1342 1342 ± 0.00002197 5.265 4.91/5.895 5.33 ± 0.6579
ea14 1342 1342/1342 1342 ± 0.00003723 5.634 5.356/6.506 5.766 ± 0.7495
ea15 1342 1342/1342 1342 ± 0.00004278 5.367 5.164/6.261 5.534 ± 0.754
ea16 1342 1342/1342 1342 ± 0 5.529 5.064/6.344 5.691 ± 0.6659
ea17 1342 1342/1342 1342 ± 0.00002901 5.885 5.363/6.755 5.977 ± 0.8634
ea18 1342 1342/1342 1342 ± 0.00001569 5.718 5.413/6.684 5.825 ± 0.8626
ea19 1342 1342/1342 1342 ± 0.000003781 5.278 5.166/6.191 5.495 ± 0.6932
ea20 1342 1342/1342 1342 ± 0 5.504 5.369/6.275 5.787 ± 0.5838
ea21 1342 1342/1342 1342 ± 0 5.017 4.824/5.732 5.211 ± 0.5456
ea22 1342 1342/1342 1342 ± 0.000009238 5.635 5.227/6.464 5.678 ± 0.7464
ea23 1342 1342/1342 1342 ± 0.0000328 5.768 5.245/6.595 5.813 ± 0.799
ea24 1342 1342/1342 1342 ± 0 5.173 4.745/6.022 5.36 ± 0.6504
ea25 1342 1342/1342 1342 ± 0 5.869 5.346/6.736 6.087 ± 0.8605
ea27 1342 1342/1342 1342 ± 0 5.085 4.748/6.053 5.268 ± 0.7353
ea28 1342 1342/1342 1342 ± 0 5.355 5.165/6.234 5.694 ± 0.6768
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 ± 0.0000235 5.18 4.803/5.414 5.146 ± 0.3019
5 1342 1342/1342 1342 ± 0.0000238 5.1 4.791/5.363 5.098 ± 0.2946
6 1342 1342/1342 1342 ± 0.0000235 5.165 4.972/5.482 5.183 ± 0.3105
7 1342 1342/1342 1342 ± 0.0000235 5.281 5.09/5.528 5.264 ± 0.2919
8 1342 1342/1342 1342 ± 0.0000235 5.255 5.058/5.524 5.25 ± 0.3467
9 1342 1342/1342 1342 ± 0.0000235 5.582 5.312/5.855 5.553 ± 0.3708
10 1342 1342/1342 1342 ± 0.0000235 6.058 5.774/6.309 6.011 ± 0.3398
11 1342 1342/1342 1342 ± 0.0000235 6.279 6.165/6.519 6.292 ± 0.3217
12 1342 1342/1342 1342 ± 0.0000235 6.506 6.272/6.683 6.453 ± 0.3668
13 1342 1342/1342 1342 ± 0.00002395 6.852 6.464/7.034 6.783 ± 0.3539
14 1342 1342/1342 1342 ± 0.00002582 5.598 5.374/6.146 5.809 ± 0.6372
15 1342 1342/1342 1342 ± 0.0000235 6.432 5.769/6.715 6.29 ± 0.5473
16 1342 1342/1342 1342 ± 0.00005574 4.517 4.369/4.908 4.664 ± 0.4778
17 1342 1342/1342 1342 ± 0.00005592 4.425 4.271/4.694 4.509 ± 0.3606
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS3.2.sb45458712.eb46169388.60476.06293818287_split_split.ms
Start time
2025-07-26 19:27:18.929
End
2025-07-26 20:29:08.036
Duration
1:01:49.108
Note, WebLog generation is not included in the time.

CASA logs for stage 8