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

Statwt Summary Plot

VLASS3.2.sb45520569.eb45733624.60429.987892812496_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 5.989 5.478/6.367 5.951 ± 0.6238
ea02 1342 1342/1342 1342 ± 0 6.266 5.641/6.426 6.182 ± 0.6401
ea03 1342 1342/1342 1342 ± 0 6.088 5.441/6.729 6.102 ± 0.7335
ea04 1342 1342/1342 1342 ± 0 5.72 5.122/6.126 5.725 ± 0.5795
ea05 1342 1342/1342 1342 ± 0 5.825 5.307/6.636 5.951 ± 0.669
ea06 1342 1342/1342 1342 ± 0 6.036 5.085/6.14 5.764 ± 0.6771
ea07 1342 1342/1342 1342 ± 0 6.043 5.16/6.25 5.892 ± 0.6985
ea08 1342 1342/1342 1342 ± 0 6.395 5.558/6.73 6.267 ± 0.6881
ea09 1342 1342/1342 1342 ± 0 5.695 5.143/6.419 5.789 ± 0.7652
ea10 1342 1342/1342 1342 ± 0 5.533 5.16/6.123 5.605 ± 0.5873
ea11 1342 1342/1342 1342 ± 0.000007121 5.333 5.11/6.221 5.633 ± 0.6442
ea12 1342 1342/1342 1342 ± 0.00002176 5.507 5.341/6.339 5.757 ± 0.6236
ea13 1342 1342/1342 1342 ± 0 6.118 5.514/6.311 5.91 ± 0.7487
ea14 1342 1342/1342 1342 ± 0 6.069 5.69/6.674 6.193 ± 0.6264
ea15 1342 1342/1342 1342 ± 0.000004666 5.14 4.604/5.363 5.067 ± 0.4797
ea16 1342 1342/1342 1342 ± 0 6.218 5.669/6.711 6.228 ± 0.7294
ea17 1342 1342/1342 1342 ± 0 6.224 5.698/7.019 6.268 ± 0.716
ea18 1342 1342/1342 1342 ± 0 6.476 5.803/7.095 6.418 ± 0.6975
ea19 1342 1342/1342 1342 ± 0 5.929 5.479/6.696 6.06 ± 0.6456
ea20 1342 1342/1342 1342 ± 0 6.124 5.354/6.531 5.987 ± 0.6436
ea21 1342 1342/1342 1342 ± 0 5.521 5.127/5.935 5.584 ± 0.5152
ea22 1342 1342/1342 1342 ± 0 6.4 5.718/6.899 6.31 ± 0.6999
ea23 1342 1342/1342 1342 ± 0 5.961 5.486/6.402 6.05 ± 0.6737
ea24 1342 1342/1342 1342 ± 0 6.171 5.315/6.496 5.966 ± 0.6069
ea25 1342 1342/1342 1342 ± 0 6.495 5.663/6.919 6.449 ± 0.8144
ea27 1342 1342/1342 1342 ± 0 5.757 5.365/6.494 5.895 ± 0.6228
ea28 1342 1342/1342 1342 ± 0 6.361 5.695/6.935 6.394 ± 0.6734
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 ± 0.00002306 5.512 5.28/5.675 5.49 ± 0.2702
3 1342 1342/1342 1342 ± 0.0000247 5.013 4.82/5.153 4.971 ± 0.3279
5 1342 1342/1342 1342 ± 0.00002306 5.288 5.088/5.546 5.322 ± 0.3347
6 1342 1342/1342 1342 ± 0.00002306 5.321 5.162/5.578 5.343 ± 0.3161
7 1342 1342/1342 1342 ± 0.00002306 5.48 5.298/5.661 5.409 ± 0.2737
8 1342 1342/1342 1342 ± 0.00002306 5.352 5.144/5.57 5.356 ± 0.2937
9 1342 1342/1342 1342 ± 0.00002306 5.663 5.51/5.92 5.668 ± 0.3214
10 1342 1342/1342 1342 ± 0.00002306 6.126 6.012/6.321 6.115 ± 0.297
11 1342 1342/1342 1342 ± 0.00002306 6.366 6.124/6.549 6.318 ± 0.3141
12 1342 1342/1342 1342 ± 0.00002306 6.491 6.258/6.711 6.478 ± 0.369
13 1342 1342/1342 1342 ± 0.00002306 6.932 6.662/7.169 6.922 ± 0.3823
14 1342 1342/1342 1342 ± 0.00002306 7.178 6.92/7.45 7.13 ± 0.4043
15 1342 1342/1342 1342 ± 0.00002306 6.842 6.591/7.169 6.814 ± 0.4095
16 1342 1342/1342 1342 ± 0.00002569 6.179 5.814/6.458 6.144 ± 0.4269
17 1342 1342/1342 1342 ± 0.00002555 6.244 5.951/6.389 6.112 ± 0.416
statwtmode
VLASS-SE
vis
VLASS3.2.sb45520569.eb45733624.60429.987892812496_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
Start time
2025-08-01 23:25:53.873
End
2025-08-02 00:00:28.488
Duration
0:34:34.615
Note, WebLog generation is not included in the time.

CASA logs for stage 8