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

Statwt Summary Plot

VLASS3.2.sb45486206.eb46169366.60475.03141015046_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 5.461 5.267/6.06 5.584 ± 0.7551
ea02 1342 1342/1342 1342 ± 0.00002824 5.569 5.046/6.247 5.521 ± 0.6835
ea03 1342 1342/1342 1342 ± 0.000004584 5.127 4.925/6 5.449 ± 0.6062
ea04 1342 1342/1342 1342 ± 0.00003504 5.005 4.731/5.737 5.115 ± 0.5765
ea05 1342 1342/1342 1342 ± 0.00004151 5.303 4.932/6.049 5.432 ± 0.7223
ea06 1342 1342/1342 1342 ± 0.000002863 5.133 4.7/5.728 5.172 ± 0.5654
ea07 1342 1342/1342 1342 ± 0.0000176 5.173 4.786/5.936 5.336 ± 0.6421
ea08 1342 1342/1342 1342 ± 0.00001451 5.525 5.17/6.467 5.697 ± 0.6836
ea09 1342 1342/1342 1342 ± 0.00002923 5.05 4.829/5.83 5.275 ± 0.5977
ea10 1342 1342/1342 1342 ± 0.00003103 2.468 2.399/2.753 2.546 ± 0.2044
ea11 1342 1342/1342 1342 ± 0.00004357 5.334 4.556/6.08 5.34 ± 0.8023
ea12 1342 1342/1342 1342 ± 0.00002713 5.037 4.664/5.643 5.097 ± 0.5978
ea14 1342 1342/1342 1342 ± 0.00003734 5.272 5.07/6.103 5.49 ± 0.6576
ea15 1342 1342/1342 1342 ± 0.00004246 5.567 5.241/6.453 5.701 ± 0.7996
ea16 1342 1342/1342 1342 ± 0.000003365 5.489 5.034/6.149 5.621 ± 0.67
ea17 1342 1342/1342 1342 ± 0.00002499 5.718 5.197/6.458 5.811 ± 0.741
ea18 1342 1342/1342 1342 ± 0.00001257 5.467 5.213/6.301 5.663 ± 0.675
ea19 1342 1342/1342 1342 ± 0.00001524 5.277 5.039/6.068 5.422 ± 0.7317
ea20 1342 1342/1342 1342 ± 0.00000419 5.713 5.539/6.621 6.043 ± 0.6932
ea21 1342 1342/1342 1342 ± 0 4.682 4.537/5.343 4.923 ± 0.5008
ea22 1342 1342/1342 1342 ± 0.00001443 5.388 4.987/6.17 5.513 ± 0.6089
ea23 1342 1342/1342 1342 ± 0.00003633 5.458 4.948/6.223 5.55 ± 0.6847
ea24 1342 1342/1342 1342 ± 0 5.189 4.954/5.992 5.438 ± 0.5651
ea25 1342 1342/1342 1342 ± 0 5.574 5.175/6.108 5.785 ± 0.7093
ea27 1342 1342/1342 1342 ± 0 5.148 4.848/5.908 5.262 ± 0.7359
ea28 1342 1342/1342 1342 ± 0.000001774 5.601 5.427/6.516 5.889 ± 0.6414
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 ± 0.00002368 5.145 4.88/5.246 5.034 ± 0.5003
5 1342 1342/1342 1342 ± 0.00002609 4.901 4.619/5.105 4.852 ± 0.5308
6 1342 1342/1342 1342 ± 0.00002414 4.949 4.79/5.269 4.951 ± 0.4967
7 1342 1342/1342 1342 ± 0.00002368 5.129 4.961/5.311 5.087 ± 0.4933
8 1342 1342/1342 1342 ± 0.00002368 5.04 4.887/5.273 5.032 ± 0.5142
9 1342 1342/1342 1342 ± 0.00002368 5.46 5.141/5.625 5.331 ± 0.5376
10 1342 1342/1342 1342 ± 0.00002351 5.909 5.616/6.029 5.726 ± 0.6889
11 1342 1342/1342 1342 ± 0.00002351 6.137 5.936/6.27 5.996 ± 0.7125
12 1342 1342/1342 1342 ± 0.00002351 6.283 6.107/6.455 6.168 ± 0.7413
13 1342 1342/1342 1342 ± 0.00002351 6.55 6.258/6.701 6.428 ± 0.8031
14 1342 1342/1342 1342 ± 0.0000238 5.723 5.447/6.132 5.757 ± 0.8526
15 1342 1342/1342 1342 ± 0.00002375 6.047 5.705/6.377 5.905 ± 0.8368
16 1342 1342/1342 1342 ± 0.00005707 4.538 4.254/4.782 4.506 ± 0.5993
17 1342 1342/1342 1342 ± 0.00005655 4.564 4.334/4.802 4.587 ± 0.3802
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
vis
VLASS3.2.sb45486206.eb46169366.60475.03141015046_split_split.ms
statwtmode
VLASS-SE
Start time
2025-07-22 19:24:17.074
End
2025-07-22 20:18:38.997
Duration
0:54:21.922
Note, WebLog generation is not included in the time.

CASA logs for stage 8