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

Statwt Summary Plot

VLASS3.2.sb45478884.eb45758950.60430.75354622686_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 5.934 5.407/6.294 5.919 ± 0.566
ea02 1342 1342/1342 1342 ± 0.00002994 6.188 5.61/6.481 6.138 ± 0.687
ea03 1342 1342/1342 1342 ± 0 6.115 5.448/6.746 6.162 ± 0.7115
ea04 1342 1342/1342 1342 ± 0 5.551 5.096/5.927 5.532 ± 0.5778
ea05 1342 1342/1342 1342 ± 0 5.788 5.612/6.536 5.991 ± 0.6488
ea06 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea07 1342 1342/1342 1342 ± 0 6.08 5.402/6.284 6.004 ± 0.664
ea08 1342 1342/1342 1342 ± 0 6.465 5.766/6.884 6.427 ± 0.6434
ea09 1342 1342/1342 1342 ± 0 5.944 5.154/6.448 5.896 ± 0.6688
ea10 1342 1342/1342 1342 ± 0 5.458 5.124/6.156 5.639 ± 0.5945
ea11 1342 1342/1342 1342 ± 0.000001938 5.339 5.226/6.192 5.612 ± 0.6789
ea12 1342 1342/1342 1342 ± 0 5.508 5.372/6.328 5.773 ± 0.6038
ea13 1342 1342/1342 1342 ± 0 6.179 5.555/6.324 6.077 ± 0.5587
ea14 1342 1342/1342 1342 ± 0 6.007 5.591/6.598 6.188 ± 0.5632
ea15 1342 1342/1342 1342 ± 0 6.178 5.331/6.441 6.046 ± 0.7163
ea16 1342 1342/1342 1342 ± 0 6.248 5.677/6.732 6.269 ± 0.6929
ea17 1342 1342/1342 1342 ± 0 6.228 5.753/7.094 6.284 ± 0.7579
ea18 1342 1342/1342 1342 ± 0 6.55 5.975/7.212 6.512 ± 0.6911
ea19 1342 1342/1342 1342 ± 0.000003781 5.812 5.289/6.496 5.932 ± 0.6078
ea20 1342 1342/1342 1342 ± 0 6.171 5.413/6.595 6.096 ± 0.6287
ea21 1342 1342/1342 1342 ± 0 5.602 5.202/6.126 5.708 ± 0.5403
ea22 1342 1342/1342 1342 ± 0 6.449 5.818/7.038 6.431 ± 0.6845
ea23 1342 1342/1342 1342 ± 0.000003708 5.922 5.658/6.438 6.139 ± 0.6543
ea24 1342 1342/1342 1342 ± 0 6.13 5.322/6.536 5.963 ± 0.597
ea25 1342 1342/1342 1342 ± 0 6.64 5.667/6.942 6.518 ± 0.8031
ea27 1342 1342/1342 1342 ± 0 6.005 5.45/6.539 5.999 ± 0.5852
ea28 1342 1342/1342 1342 ± 0 6.485 5.754/6.952 6.427 ± 0.675
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 ± 0.00002357 5.52 5.354/5.627 5.515 ± 0.2051
4 1342 1342/1342 1342 ± 0.00003758 5.243 4.919/5.421 5.198 ± 0.3608
5 1342 1342/1342 1342 ± 0.00003125 5.209 4.949/5.611 5.232 ± 0.4077
6 1342 1342/1342 1342 ± 0.00002357 5.315 5.113/5.596 5.328 ± 0.3012
7 1342 1342/1342 1342 ± 0.00002357 5.435 5.268/5.603 5.423 ± 0.2372
8 1342 1342/1342 1342 ± 0.00002357 5.341 5.193/5.575 5.378 ± 0.2631
9 1342 1342/1342 1342 ± 0.00002357 5.649 5.518/5.94 5.705 ± 0.2926
10 1342 1342/1342 1342 ± 0.00002357 6.124 5.998/6.342 6.162 ± 0.2679
11 1342 1342/1342 1342 ± 0.0000235 6.396 6.223/6.536 6.393 ± 0.2819
12 1342 1342/1342 1342 ± 0.0000235 6.512 6.322/6.746 6.549 ± 0.3139
13 1342 1342/1342 1342 ± 0.0000235 7.011 6.753/7.243 6.99 ± 0.3331
14 1342 1342/1342 1342 ± 0.0000235 7.167 6.903/7.479 7.155 ± 0.3518
15 1342 1342/1342 1342 ± 0.0000235 6.781 6.587/7.176 6.806 ± 0.3764
16 1342 1342/1342 1342 ± 0.00002372 6.147 5.777/6.35 6.113 ± 0.4158
17 1342 1342/1342 1342 ± 0.00002361 6.188 5.854/6.4 6.107 ± 0.3856
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS3.2.sb45478884.eb45758950.60430.75354622686_split_split.ms
statwtmode
VLASS-SE
output_dir
 
Start time
2025-07-18 13:40:18.370
End
2025-07-18 14:56:36.844
Duration
1:16:18.473
Note, WebLog generation is not included in the time.

CASA logs for stage 8