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

Statwt Summary Plot

VLASS2.1.sb38461639.eb38575724.59076.48643795139_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 5.124 4.992/5.751 5.187 ± 0.8107
ea02 1342 1342/1342 1342 ± 0.00004121 5.803 5.233/6.519 5.648 ± 0.9883
ea04 1342 1342/1342 1342 ± 0.00002334 5.341 4.836/5.867 5.117 ± 0.9729
ea05 1342 1342/1342 1342 ± 0.00001362 5.414 5.024/6.162 5.492 ± 0.7563
ea06 1342 1342/1342 1342 ± 0.00003344 5.018 4.764/5.638 4.962 ± 0.8754
ea07 1342 1342/1342 1342 ± 0.00004305 5.581 5.125/5.959 5.359 ± 0.8587
ea08 1342 1342/1342 1342 ± 0.00004272 5.816 5.396/6.754 5.835 ± 1.086
ea09 1342 1342/1342 1342 ± 0.000006501 5.585 5.062/6.138 5.502 ± 0.8103
ea10 1342 1342/1342 1342 ± 0.00004287 5.35 5/6.25 5.344 ± 0.9115
ea11 1342 1342/1342 1342 ± 0.00004272 5.479 4.965/6.222 5.398 ± 0.9236
ea12 1342 1342/1342 1342 ± 0.00003941 5.6 5.07/6.368 5.469 ± 1.048
ea13 1342 1342/1342 1342 ± 0.000004163 5.853 5.517/6.276 5.829 ± 0.7724
ea14 1342 1342/1342 1342 ± 0.000015 5.52 5.104/6.397 5.518 ± 0.8737
ea15 1342 1342/1342 1342 ± 0.00001749 5.281 5.014/6.137 5.334 ± 1.076
ea16 1342 1342/1342 1342 ± 0.00002118 5.556 5.211/6.063 5.478 ± 0.8421
ea17 1342 1342/1342 1342 ± 0.00004385 5.815 5.274/6.393 5.68 ± 1.008
ea18 1342 1342/1342 1342 ± 0.00004351 4.906 4.475/5.355 4.827 ± 0.7226
ea19 1342 1342/1342 1342 ± 0.000002405 5.634 5.334/6.384 5.704 ± 0.7589
ea20 1342 1342/1342 1342 ± 0.00004249 5.768 5.481/6.723 5.785 ± 1.067
ea21 1342 1342/1342 1342 ± 0.00001717 5.347 5.154/6.094 5.365 ± 0.7626
ea22 1342 1342/1342 1342 ± 0.0000243 5.369 5.039/6.472 5.551 ± 0.8943
ea23 1342 1342/1342 1342 ± 0.00003636 5.447 5.105/6.229 5.472 ± 0.9173
ea25 1342 1342/1342 1342 ± 0.00004288 5.346 5.014/6.026 5.318 ± 0.8811
ea27 1342 1342/1342 1342 ± 0.00004411 5.341 4.946/6.261 5.331 ± 0.8975
ea28 1342 1342/1342 1342 ± 0.00004318 5.531 5.219/6.316 5.524 ± 0.9626
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 5.364 5.193/5.596 5.378 ± 0.2596
5 1342 1342/1342 1342 ± 0.00002483 5.111 4.915/5.288 5.136 ± 0.3013
6 1342 1342/1342 1342 ± 0.00002392 5.146 5.038/5.3 5.144 ± 0.2586
7 1342 1342/1342 1342 ± 0.00002392 5.151 5.015/5.276 5.153 ± 0.2134
8 1342 1342/1342 1342 ± 0.00002392 5.192 4.956/5.331 5.146 ± 0.2431
9 1342 1342/1342 1342 ± 0.00002392 5.44 5.343/5.653 5.452 ± 0.2848
10 1342 1342/1342 1342 ± 0.00002392 5.913 5.793/6.005 5.868 ± 0.2894
11 1342 1342/1342 1342 ± 0.00002392 6.224 6.057/6.306 6.148 ± 0.2994
12 1342 1342/1342 1342 ± 0.00002392 6.369 6.187/6.48 6.331 ± 0.3087
13 1342 1342/1342 1342 ± 0.00002392 6.607 6.284/6.752 6.497 ± 0.3428
14 1342 1342/1342 1342 ± 0.00002884 6.109 5.709/6.575 6.147 ± 0.5197
15 1342 1342/1342 1342 ± 0.00002398 6.458 6.196/6.716 6.434 ± 0.3927
16 1342 1342/1342 1342 ± 0.00005789 3.494 3.284/3.781 3.54 ± 0.3795
17 1342 1342/1342 1342 ± 0.00006055 3.729 3.576/3.967 3.79 ± 0.3466
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
vis
VLASS2.1.sb38461639.eb38575724.59076.48643795139_split_split.ms
statwtmode
VLASS-SE
Start time
2024-12-07 00:08:51.611
End
2024-12-07 00:32:10.302
Duration
0:23:18.691
Note, WebLog generation is not included in the time.

CASA logs for stage 8