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 5.327 5.067/6.007 5.363 ± 0.8294
ea02 1342 1342/1342 1342 ± 0.00003143 5.019 4.749/6.119 5.264 ± 0.8647
ea03 1342 1342/1342 1342 ± 0 5.183 4.992/5.772 5.382 ± 0.6531
ea04 1342 1342/1342 1342 ± 0.00004188 4.905 4.557/5.675 4.929 ± 0.6863
ea05 1342 1342/1342 1342 ± 0.00004365 5.138 4.754/6.019 5.223 ± 0.8263
ea06 1342 1342/1342 1342 ± 0.00001081 4.769 4.583/5.575 4.934 ± 0.6348
ea07 1342 1342/1342 1342 ± 0.00003578 4.828 4.641/5.793 5.028 ± 0.7688
ea08 1342 1342/1342 1342 ± 0.00001678 5.332 5.055/6.409 5.454 ± 0.9275
ea09 1342 1342/1342 1342 ± 0.00003775 4.859 4.663/5.278 4.956 ± 0.6677
ea10 1342 1342/1342 1342 ± 0.0000179 2.687 2.595/2.925 2.747 ± 0.2163
ea11 1342 1342/1342 1342 ± 0.0000473 5.025 4.443/5.854 5.013 ± 0.8809
ea12 1342 1342/1342 1342 ± 0.00003802 4.888 4.454/5.617 4.894 ± 0.7109
ea14 1342 1342/1342 1342 ± 0.00004264 5.186 4.836/6.08 5.267 ± 0.7933
ea15 1342 1342/1342 1342 ± 0.00004437 5.256 4.989/6.315 5.417 ± 0.891
ea16 1342 1342/1342 1342 ± 0.000009575 5.482 5.059/6.089 5.466 ± 0.7803
ea17 1342 1342/1342 1342 ± 0.000037 5.372 4.882/6.251 5.434 ± 0.8856
ea18 1342 1342/1342 1342 ± 0.000007101 5.37 5.12/6.306 5.452 ± 0.9189
ea19 1342 1342/1342 1342 ± 0.0000213 5.123 4.735/6.067 5.218 ± 0.7943
ea20 1342 1342/1342 1342 ± 0.00001202 5.519 5.295/6.28 5.745 ± 0.7299
ea21 1342 1342/1342 1342 ± 0 4.849 4.668/5.492 4.984 ± 0.5376
ea22 1342 1342/1342 1342 ± 0.00002244 5.254 4.798/6.11 5.247 ± 0.8374
ea23 1342 1342/1342 1342 ± 0.00004197 5.381 4.878/6.137 5.348 ± 0.8482
ea24 1342 1342/1342 1342 ± 0.000003916 5.078 4.92/6.038 5.358 ± 0.6601
ea25 1342 1342/1342 1342 ± 0.000003695 5.515 5.085/6.358 5.754 ± 0.7572
ea27 1342 1342/1342 1342 ± 0.000004888 5.035 4.667/5.93 5.107 ± 0.8066
ea28 1342 1342/1342 1342 ± 0.000006905 5.504 5.42/6.428 5.777 ± 0.6937
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 ± 0.00002355 4.954 4.732/5.127 4.866 ± 0.5055
5 1342 1342/1342 1342 ± 0.00002491 4.856 4.591/5.074 4.785 ± 0.5328
6 1342 1342/1342 1342 ± 0.000024 5.003 4.733/5.259 4.914 ± 0.5267
7 1342 1342/1342 1342 ± 0.00002355 5.108 4.895/5.282 4.995 ± 0.525
8 1342 1342/1342 1342 ± 0.00002355 5.033 4.828/5.19 4.941 ± 0.541
9 1342 1342/1342 1342 ± 0.00002355 5.341 5.15/5.51 5.221 ± 0.5615
10 1342 1342/1342 1342 ± 0.00002354 5.86 5.627/5.935 5.699 ± 0.619
11 1342 1342/1342 1342 ± 0.00002354 6.116 5.793/6.25 5.968 ± 0.6527
12 1342 1342/1342 1342 ± 0.00002354 6.239 5.924/6.413 6.131 ± 0.6771
13 1342 1342/1342 1342 ± 0.00002354 6.36 6.109/6.677 6.286 ± 0.7623
14 1342 1342/1342 1342 ± 0.00003205 4.857 4.629/5.404 5.036 ± 0.8415
15 1342 1342/1342 1342 ± 0.00002354 5.994 5.639/6.339 5.849 ± 0.8134
16 1342 1342/1342 1342 ± 0.00006043 3.888 3.775/4.256 4.04 ± 0.472
17 1342 1342/1342 1342 ± 0.00006079 3.763 3.63/4.012 3.884 ± 0.3632
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS3.2.sb45486206.eb46169366.60475.03141015046_split_split.ms
statwtmode
VLASS-SE
Start time
2025-07-22 18:22:14.935
End
2025-07-22 19:11:20.683
Duration
0:49:05.748
Note, WebLog generation is not included in the time.

CASA logs for stage 8