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

Statwt Summary Plot

VLASS3.2.sb45657603.eb46099145.60450.330123067135_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 6.162 5.858/6.842 6.281 ± 0.7836
ea02 1342 1342/1342 1342 ± 0 6.286 5.676/6.687 6.261 ± 0.765
ea03 1342 1342/1342 1342 ± 0 6.03 5.508/6.728 6.153 ± 0.8339
ea04 1342 1342/1342 1342 ± 0 5.684 5.191/6.143 5.676 ± 0.7155
ea05 1342 1342/1342 1342 ± 0 6.186 5.632/6.765 6.107 ± 0.7555
ea06 1342 1342/1342 1342 ± 0 5.931 5.277/6.292 5.827 ± 0.8008
ea07 1342 1342/1342 1342 ± 0 6.091 5.5/6.736 6.137 ± 0.8121
ea08 1342 1342/1342 1342 ± 0 6.65 5.881/7.032 6.569 ± 0.7386
ea09 1342 1342/1342 1342 ± 0 5.788 5.327/6.43 5.809 ± 0.9461
ea10 1342 1342/1342 1342 ± 0 5.899 5.372/6.325 5.815 ± 0.7842
ea11 1342 1342/1342 1342 ± 0 5.849 5.456/6.637 5.951 ± 0.803
ea12 1342 1342/1342 1342 ± 0 5.655 5.37/6.33 5.844 ± 0.7329
ea13 1342 1342/1342 1342 ± 0 6.039 5.656/6.445 5.959 ± 1.002
ea14 1342 1342/1342 1342 ± 0 6.123 5.79/6.721 6.204 ± 0.7756
ea15 1342 1342/1342 1342 ± 0 6.841 6.721/7.46 7.043 ± 0.4616
ea17 1342 1342/1342 1342 ± 0 6.387 5.95/7.106 6.467 ± 0.8372
ea18 1342 1342/1342 1342 ± 0 6.431 5.923/7.084 6.527 ± 0.7203
ea19 1342 1342/1342 1342 ± 0 6.052 5.672/6.718 6.137 ± 0.8064
ea20 1342 1342/1342 1342 ± 0 6.505 6.044/7.177 6.596 ± 0.7684
ea21 1342 1342/1342 1342 ± 0 5.487 5.207/6.011 5.601 ± 0.5859
ea22 1342 1342/1342 1342 ± 0 6.185 5.706/6.692 6.217 ± 0.6903
ea23 1342 1342/1342 1342 ± 0 6.233 5.687/6.553 6.175 ± 0.8109
ea24 1342 1342/1342 1342 ± 0 6.325 5.444/6.725 6.095 ± 0.6406
ea25 1342 1342/1342 1342 ± 0 6.707 5.849/7.177 6.628 ± 0.8977
ea27 1342 1342/1342 1342 ± 0 5.756 5.338/6.514 5.819 ± 0.8053
ea28 1342 1342/1342 1342 ± 0 6.387 5.927/7.176 6.543 ± 0.7584
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 ± 0.00002392 5.608 5.417/5.807 5.624 ± 0.2473
3 1342 1342/1342 1342 ± 0.0000247 4.299 3.966/4.528 4.301 ± 0.6566
4 1342 1342/1342 1342 ± 0.0000241 5.487 5.215/5.755 5.542 ± 0.3301
5 1342 1342/1342 1342 ± 0.00002392 5.674 5.336/5.86 5.646 ± 0.2909
6 1342 1342/1342 1342 ± 0.00002392 5.59 5.368/5.822 5.584 ± 0.2795
7 1342 1342/1342 1342 ± 0.00002392 5.685 5.527/5.843 5.662 ± 0.2534
8 1342 1342/1342 1342 ± 0.00002392 5.582 5.332/5.84 5.581 ± 0.3016
9 1342 1342/1342 1342 ± 0.00002392 5.865 5.699/6.123 5.882 ± 0.299
10 1342 1342/1342 1342 ± 0.00002348 6.418 6.251/6.5 6.373 ± 0.279
11 1342 1342/1342 1342 ± 0.00002348 6.567 6.367/6.737 6.586 ± 0.2833
12 1342 1342/1342 1342 ± 0.00002348 6.74 6.504/6.884 6.725 ± 0.3303
13 1342 1342/1342 1342 ± 0.00002348 7.213 6.92/7.533 7.224 ± 0.3587
14 1342 1342/1342 1342 ± 0.00002348 7.417 7.102/7.729 7.399 ± 0.3672
15 1342 1342/1342 1342 ± 0.00002348 7.126 6.757/7.369 7.083 ± 0.3749
16 1342 1342/1342 1342 ± 0.00002348 6.425 6.165/6.845 6.478 ± 0.4148
17 1342 1342/1342 1342 ± 0.00002348 6.438 6.129/6.739 6.427 ± 0.4074
vis
VLASS3.2.sb45657603.eb46099145.60450.330123067135_split_split.ms
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-07-31 00:58:26.283
End
2025-07-31 02:07:42.996
Duration
1:09:16.713
Note, WebLog generation is not included in the time.

CASA logs for stage 8