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

Statwt Summary Plot

VLASS3.2.sb45490828.eb46106518.60453.38273079861_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 5.807 5.588/6.735 6.128 ± 0.5854
ea02 1342 1342/1342 1342 ± 0.00000615 5.988 5.829/6.502 6.262 ± 0.5902
ea03 1342 1342/1342 1342 ± 0 6.164 5.568/6.871 6.252 ± 0.6982
ea04 1342 1342/1342 1342 ± 0.000004276 5.524 5.308/6.213 5.732 ± 0.5078
ea05 1342 1342/1342 1342 ± 0.0000111 5.774 5.454/6.656 6.03 ± 0.6105
ea06 1342 1342/1342 1342 ± 0.000004711 5.686 5.287/6.235 5.843 ± 0.6073
ea07 1342 1342/1342 1342 ± 0 5.897 5.479/6.457 6.114 ± 0.6904
ea08 1342 1342/1342 1342 ± 0 6.239 5.833/6.906 6.451 ± 0.6528
ea09 1342 1342/1342 1342 ± 0 5.638 5.236/6.387 5.766 ± 0.5854
ea10 1342 1342/1342 1342 ± 0 5.6 5.352/6.377 5.818 ± 0.5859
ea11 1342 1342/1342 1342 ± 0.00003835 5.793 5.086/6.555 5.874 ± 0.6845
ea12 1342 1342/1342 1342 ± 0.00002878 5.581 5.432/6.365 5.847 ± 0.5353
ea14 1342 1342/1342 1342 ± 0 5.939 5.627/6.573 6.124 ± 0.5387
ea15 1342 1342/1342 1342 ± 0.00002786 5.859 5.65/6.734 6.151 ± 0.6689
ea16 1342 1342/1342 1342 ± 0.000003233 6.008 5.851/6.788 6.293 ± 0.6735
ea17 1342 1342/1342 1342 ± 0 6.021 5.845/7.148 6.354 ± 0.6726
ea18 1342 1342/1342 1342 ± 0 6.49 6.053/7.233 6.639 ± 0.661
ea19 1342 1342/1342 1342 ± 0.00003264 5.867 5.708/6.839 6.191 ± 0.5888
ea20 1342 1342/1342 1342 ± 0 6.131 5.946/7.076 6.464 ± 0.6135
ea21 1342 1342/1342 1342 ± 0 5.449 5.196/6.018 5.659 ± 0.5192
ea22 1342 1342/1342 1342 ± 0 5.706 5.49/6.467 5.908 ± 0.5535
ea23 1342 1342/1342 1342 ± 0 5.875 5.54/6.59 6.105 ± 0.6582
ea24 1342 1342/1342 1342 ± 0 6.163 5.335/6.673 6.021 ± 0.6699
ea25 1342 1342/1342 1342 ± 0 6.496 5.802/7.029 6.558 ± 0.7979
ea27 1342 1342/1342 1342 ± 0.000004426 5.674 5.52/6.601 5.978 ± 0.616
ea28 1342 1342/1342 1342 ± 0 6.384 5.821/7.082 6.434 ± 0.6422
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 ± 0.00002348 5.588 5.435/5.802 5.617 ± 0.2637
5 1342 1342/1342 1342 ± 0.00002348 5.46 5.187/5.64 5.455 ± 0.278
6 1342 1342/1342 1342 ± 0.00002348 5.57 5.342/5.778 5.545 ± 0.2598
7 1342 1342/1342 1342 ± 0.00002348 5.62 5.38/5.785 5.576 ± 0.2369
8 1342 1342/1342 1342 ± 0.00002348 5.555 5.21/5.674 5.501 ± 0.2795
9 1342 1342/1342 1342 ± 0.00002348 5.833 5.613/5.954 5.793 ± 0.2832
10 1342 1342/1342 1342 ± 0.00002348 6.276 6.137/6.38 6.258 ± 0.2575
11 1342 1342/1342 1342 ± 0.00002348 6.519 6.228/6.692 6.493 ± 0.2765
12 1342 1342/1342 1342 ± 0.00002348 6.669 6.456/6.87 6.67 ± 0.3086
13 1342 1342/1342 1342 ± 0.00002348 7.179 6.844/7.394 7.135 ± 0.3357
14 1342 1342/1342 1342 ± 0.00002348 7.003 6.734/7.419 7.087 ± 0.434
15 1342 1342/1342 1342 ± 0.00002348 6.985 6.574/7.206 6.905 ± 0.3462
16 1342 1342/1342 1342 ± 0.00003948 5.683 5.479/6.096 5.8 ± 0.4107
17 1342 1342/1342 1342 ± 0.00004082 5.704 5.497/6.103 5.779 ± 0.3656
vis
VLASS3.2.sb45490828.eb46106518.60453.38273079861_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
statwtmode
VLASS-SE
Start time
2025-07-31 01:56:57.108
End
2025-07-31 03:06:03.605
Duration
1:09:06.497
Note, WebLog generation is not included in the time.

CASA logs for stage 8