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

Statwt Summary Plot

VLASS3.2.sb45483556.eb45792768.60431.950518831014_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 5.03 4.934/5.598 5.238 ± 0.4276
ea02 1342 1342/1342 1342 ± 0 6.063 5.616/6.463 6.226 ± 0.6044
ea03 1342 1342/1342 1342 ± 0.000003165 6.09 5.44/6.683 6.115 ± 0.6872
ea04 1342 1342/1342 1342 ± 0.00002144 5.535 5.264/6.108 5.674 ± 0.5306
ea05 1342 1342/1342 1342 ± 0.00002017 5.625 5.389/6.552 5.903 ± 0.6431
ea06 1342 1342/1342 1342 ± 0.0000124 5.837 5.077/6.066 5.73 ± 0.6296
ea07 1342 1342/1342 1342 ± 0 5.843 5.29/6.267 5.896 ± 0.6863
ea08 1342 1342/1342 1342 ± 0 6.177 5.706/6.816 6.342 ± 0.6508
ea09 1342 1342/1342 1342 ± 0.000005125 5.59 5.162/6.417 5.717 ± 0.6309
ea10 1342 1342/1342 1342 ± 0 5.356 5.117/6.048 5.556 ± 0.5658
ea11 1342 1342/1342 1342 ± 0.00004182 5.37 4.984/6.189 5.597 ± 0.6338
ea12 1342 1342/1342 1342 ± 0.0000304 5.492 5.317/6.261 5.734 ± 0.5771
ea13 1342 1342/1342 1342 ± 0 5.883 5.672/6.461 6.04 ± 0.6596
ea14 1342 1342/1342 1342 ± 0 5.934 5.595/6.58 6.125 ± 0.5788
ea15 1342 1342/1342 1342 ± 0.00003406 5.869 5.641/6.729 6.167 ± 0.7178
ea17 1342 1342/1342 1342 ± 0 6.102 5.772/7.005 6.286 ± 0.6887
ea18 1342 1342/1342 1342 ± 0 6.325 5.924/7.07 6.42 ± 0.6629
ea19 1342 1342/1342 1342 ± 0.00003316 5.721 5.402/6.536 5.951 ± 0.604
ea20 1342 1342/1342 1342 ± 0 5.849 5.615/6.69 6.068 ± 0.608
ea21 1342 1342/1342 1342 ± 0 5.294 5.101/5.895 5.535 ± 0.5089
ea22 1342 1342/1342 1342 ± 0 6.168 5.841/6.891 6.314 ± 0.6686
ea23 1342 1342/1342 1342 ± 0 5.799 5.475/6.338 6.005 ± 0.6463
ea24 1342 1342/1342 1342 ± 0 5.973 5.34/6.627 5.956 ± 0.6372
ea25 1342 1342/1342 1342 ± 0 6.422 5.68/6.869 6.424 ± 0.7829
ea28 1342 1342/1342 1342 ± 0 6.018 5.823/7.021 6.339 ± 0.6474
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 ± 0.00002394 5.517 5.285/5.67 5.472 ± 0.3027
4 1342 1342/1342 1342 ± 0.00002875 4.897 4.794/5.104 4.932 ± 0.2762
5 1342 1342/1342 1342 ± 0.00002394 5.404 5.237/5.663 5.447 ± 0.3056
6 1342 1342/1342 1342 ± 0.00002394 5.293 5.069/5.544 5.284 ± 0.287
7 1342 1342/1342 1342 ± 0.00002394 5.465 5.268/5.677 5.445 ± 0.2722
8 1342 1342/1342 1342 ± 0.00002394 5.381 5.198/5.614 5.38 ± 0.2968
9 1342 1342/1342 1342 ± 0.00002394 5.675 5.537/5.924 5.689 ± 0.319
10 1342 1342/1342 1342 ± 0.00002394 6.202 6.005/6.343 6.132 ± 0.3001
11 1342 1342/1342 1342 ± 0.00002394 6.372 6.138/6.557 6.342 ± 0.3389
12 1342 1342/1342 1342 ± 0.00002394 6.536 6.258/6.696 6.487 ± 0.3689
13 1342 1342/1342 1342 ± 0.00002394 7.035 6.621/7.182 6.935 ± 0.3927
14 1342 1342/1342 1342 ± 0.00002394 7.142 6.789/7.382 7.052 ± 0.4438
15 1342 1342/1342 1342 ± 0.00002394 6.815 6.516/7.118 6.77 ± 0.3933
16 1342 1342/1342 1342 ± 0.00004532 5.797 5.551/6.235 5.837 ± 0.4281
17 1342 1342/1342 1342 ± 0.00004547 5.753 5.492/6.018 5.728 ± 0.3876
output_dir
 
vis
VLASS3.2.sb45483556.eb45792768.60431.950518831014_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-07-20 00:35:03.705
End
2025-07-20 01:48:21.066
Duration
1:13:17.361
Note, WebLog generation is not included in the time.

CASA logs for stage 8