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 5.864 5.801/6.789 6.201 ± 0.6094
ea02 1342 1342/1342 1342 ± 0.00001767 6.084 5.849/6.565 6.295 ± 0.6073
ea03 1342 1342/1342 1342 ± 0 6.23 5.579/6.921 6.303 ± 0.7213
ea04 1342 1342/1342 1342 ± 0.00002287 5.587 5.368/6.306 5.773 ± 0.5464
ea05 1342 1342/1342 1342 ± 0.00002227 5.79 5.541/6.787 6.054 ± 0.6665
ea06 1342 1342/1342 1342 ± 0.000005248 5.812 5.282/6.237 5.895 ± 0.6281
ea07 1342 1342/1342 1342 ± 0 6.093 5.444/6.512 6.117 ± 0.7399
ea08 1342 1342/1342 1342 ± 0 6.311 5.795/7.023 6.473 ± 0.6876
ea09 1342 1342/1342 1342 ± 0 5.636 5.274/6.492 5.797 ± 0.6119
ea10 1342 1342/1342 1342 ± 0 5.689 5.396/6.422 5.888 ± 0.603
ea11 1342 1342/1342 1342 ± 0.00004061 5.69 5.197/6.644 5.867 ± 0.7793
ea12 1342 1342/1342 1342 ± 0.00003709 5.611 5.443/6.449 5.871 ± 0.6523
ea14 1342 1342/1342 1342 ± 0 5.904 5.67/6.757 6.107 ± 0.6775
ea15 1342 1342/1342 1342 ± 0.00003218 5.815 5.65/6.706 6.128 ± 0.6831
ea16 1342 1342/1342 1342 ± 0.00000539 6.106 5.877/6.88 6.352 ± 0.6929
ea17 1342 1342/1342 1342 ± 0 6.173 5.89/7.249 6.419 ± 0.6833
ea18 1342 1342/1342 1342 ± 0 6.556 6.002/7.248 6.583 ± 0.7362
ea19 1342 1342/1342 1342 ± 0.00003806 5.859 5.639/6.86 6.185 ± 0.6539
ea20 1342 1342/1342 1342 ± 0 6.215 6.037/7.177 6.535 ± 0.6463
ea21 1342 1342/1342 1342 ± 0 5.455 5.19/6.011 5.646 ± 0.5227
ea22 1342 1342/1342 1342 ± 0 5.847 5.594/6.576 5.976 ± 0.6394
ea23 1342 1342/1342 1342 ± 0 5.81 5.619/6.592 6.169 ± 0.6546
ea24 1342 1342/1342 1342 ± 0 6.241 5.386/6.763 6.097 ± 0.6775
ea25 1342 1342/1342 1342 ± 0 6.512 5.794/7.085 6.553 ± 0.819
ea27 1342 1342/1342 1342 ± 0.000007842 5.766 5.55/6.692 6.064 ± 0.636
ea28 1342 1342/1342 1342 ± 0 6.318 5.836/7.108 6.427 ± 0.6643
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 5.611 5.437/5.813 5.623 ± 0.2502
3 1342 1342/1342 1342 ± 0.00003947 4.715 4.25/5.249 4.712 ± 0.5762
4 1342 1342/1342 1342 ± 0.00003205 5.378 5.147/5.564 5.326 ± 0.3487
5 1342 1342/1342 1342 ± 0.00002348 5.562 5.259/5.797 5.552 ± 0.2908
6 1342 1342/1342 1342 ± 0.00002348 5.579 5.374/5.851 5.586 ± 0.2656
7 1342 1342/1342 1342 ± 0.00002348 5.624 5.392/5.798 5.601 ± 0.2419
8 1342 1342/1342 1342 ± 0.00002348 5.56 5.248/5.727 5.531 ± 0.2899
9 1342 1342/1342 1342 ± 0.00002348 5.85 5.67/6.03 5.841 ± 0.2933
10 1342 1342/1342 1342 ± 0.00002348 6.334 6.187/6.434 6.318 ± 0.2666
11 1342 1342/1342 1342 ± 0.00002348 6.575 6.316/6.707 6.555 ± 0.2818
12 1342 1342/1342 1342 ± 0.00002348 6.727 6.518/6.92 6.729 ± 0.3153
13 1342 1342/1342 1342 ± 0.00002348 7.245 6.916/7.446 7.204 ± 0.3417
14 1342 1342/1342 1342 ± 0.00002348 7.136 6.917/7.524 7.229 ± 0.4044
15 1342 1342/1342 1342 ± 0.00002348 7.024 6.752/7.268 6.983 ± 0.3352
16 1342 1342/1342 1342 ± 0.00004791 5.818 5.548/6.177 5.884 ± 0.3995
17 1342 1342/1342 1342 ± 0.00004319 5.852 5.632/6.189 5.903 ± 0.3547
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS3.2.sb45490828.eb46106518.60453.38273079861_split_split.ms
statwtmode
VLASS-SE
Start time
2025-07-31 02:16:45.544
End
2025-07-31 03:25:30.228
Duration
1:08:44.684
Note, WebLog generation is not included in the time.

CASA logs for stage 8