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

Statwt Summary Plot

VLASS3.2.sb45489670.eb46132517.60459.18880607639_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 5.721 5.603/6.563 5.906 ± 0.7539
ea02 1342 1342/1342 1342 ± 0 5.99 5.554/6.457 6.041 ± 0.7503
ea03 1342 1342/1342 1342 ± 0 6.002 5.401/6.694 5.98 ± 0.7325
ea04 1342 1342/1342 1342 ± 0.00001197 5.294 4.992/5.965 5.374 ± 0.6444
ea05 1342 1342/1342 1342 ± 0.00001057 5.603 5.337/6.438 5.739 ± 0.7303
ea06 1342 1342/1342 1342 ± 0.000002063 5.582 5.021/6.003 5.58 ± 0.6617
ea07 1342 1342/1342 1342 ± 0 5.713 5.054/6.117 5.641 ± 0.7932
ea08 1342 1342/1342 1342 ± 0 5.938 5.447/6.558 6.021 ± 0.6813
ea09 1342 1342/1342 1342 ± 0 5.569 5.114/6.307 5.618 ± 0.655
ea10 1342 1342/1342 1342 ± 0 5.304 5.125/6.1 5.495 ± 0.642
ea11 1342 1342/1342 1342 ± 0.00004199 5.533 5.015/6.371 5.568 ± 0.8316
ea12 1342 1342/1342 1342 ± 0.00003568 5.4 5.236/6.239 5.579 ± 0.6818
ea14 1342 1342/1342 1342 ± 0.000001193 5.745 5.483/6.531 5.902 ± 0.6453
ea15 1342 1342/1342 1342 ± 0.00002691 5.764 5.551/6.658 5.954 ± 0.8348
ea16 1342 1342/1342 1342 ± 0 5.986 5.632/6.656 6.112 ± 0.6985
ea17 1342 1342/1342 1342 ± 0 6.035 5.634/7.002 6.142 ± 0.7278
ea18 1342 1342/1342 1342 ± 0 6.4 5.808/7.052 6.315 ± 0.7519
ea19 1342 1342/1342 1342 ± 0.00003678 5.676 5.389/6.655 5.869 ± 0.7181
ea20 1342 1342/1342 1342 ± 0 6.205 5.908/7.024 6.316 ± 0.7523
ea22 1342 1342/1342 1342 ± 0 5.523 5.212/6.188 5.591 ± 0.6027
ea23 1342 1342/1342 1342 ± 0 5.608 5.432/6.372 5.854 ± 0.7102
ea24 1342 1342/1342 1342 ± 0 6.163 5.244/6.621 5.886 ± 0.7611
ea25 1342 1342/1342 1342 ± 0 6.395 5.603/6.871 6.285 ± 0.8846
ea27 1342 1342/1342 1342 ± 0 5.603 5.402/6.48 5.789 ± 0.7009
ea28 1342 1342/1342 1342 ± 0 6.227 5.766/7.119 6.307 ± 0.7694
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 ± 0.000024 5.465 5.268/5.702 5.502 ± 0.2916
3 1342 1342/1342 1342 ± 0.00002622 4.159 3.759/4.707 4.219 ± 0.5234
4 1342 1342/1342 1342 ± 0.00002734 4.748 4.628/4.928 4.744 ± 0.2851
5 1342 1342/1342 1342 ± 0.000024 5.408 5.216/5.687 5.431 ± 0.3014
6 1342 1342/1342 1342 ± 0.000024 5.391 5.126/5.579 5.343 ± 0.2518
7 1342 1342/1342 1342 ± 0.000024 5.434 5.246/5.61 5.424 ± 0.262
8 1342 1342/1342 1342 ± 0.000024 5.379 5.175/5.554 5.379 ± 0.3002
9 1342 1342/1342 1342 ± 0.000024 5.678 5.504/5.882 5.686 ± 0.2921
10 1342 1342/1342 1342 ± 0.000024 6.173 5.953/6.268 6.144 ± 0.2629
11 1342 1342/1342 1342 ± 0.000024 6.413 6.086/6.509 6.372 ± 0.2818
12 1342 1342/1342 1342 ± 0.000024 6.537 6.352/6.667 6.538 ± 0.3274
13 1342 1342/1342 1342 ± 0.000024 6.99 6.792/7.218 6.994 ± 0.3498
14 1342 1342/1342 1342 ± 0.000024 6.934 6.595/7.29 6.964 ± 0.4281
15 1342 1342/1342 1342 ± 0.000024 6.788 6.493/7.071 6.772 ± 0.3283
16 1342 1342/1342 1342 ± 0.00004323 5.713 5.509/6.113 5.814 ± 0.4313
17 1342 1342/1342 1342 ± 0.00004581 5.663 5.455/6.041 5.74 ± 0.3659
statwtmode
VLASS-SE
vis
VLASS3.2.sb45489670.eb46132517.60459.18880607639_split_split.ms
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-07-31 02:06:46.840
End
2025-07-31 02:57:03.621
Duration
0:50:16.781
Note, WebLog generation is not included in the time.

CASA logs for stage 8