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

Statwt Summary Plot

VLASS2.1.sb38499285.eb38509861.59047.50492306713_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 5.407 5.199/5.988 5.462 ± 0.7584
ea02 1342 1342/1342 1342 ± 0.0000427 5.948 5.434/6.693 5.857 ± 0.9112
ea04 1342 1342/1342 1342 ± 0 5.511 5.059/6.029 5.406 ± 0.7935
ea05 1342 1342/1342 1342 ± 0.000007055 5.746 5.318/6.514 5.831 ± 0.7762
ea06 1342 1342/1342 1342 ± 0 5.199 4.926/5.893 5.227 ± 0.7939
ea07 1342 1342/1342 1342 ± 0.00004285 5.88 5.433/6.241 5.685 ± 0.8202
ea08 1342 1342/1342 1342 ± 0.00004162 5.836 5.613/6.934 5.999 ± 0.9688
ea09 1342 1342/1342 1342 ± 0.00001944 5.191 4.958/5.897 5.353 ± 0.6039
ea10 1342 1342/1342 1342 ± 0.00004265 5.065 4.881/5.926 5.178 ± 0.7228
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.000006611 5.664 5.466/6.625 5.734 ± 1.029
ea13 1342 1342/1342 1342 ± 0.0000206 5.785 5.663/6.323 5.923 ± 0.7157
ea14 1342 1342/1342 1342 ± 0.000004001 5.64 5.182/6.628 5.758 ± 0.8046
ea15 1342 1342/1342 1342 ± 0 5.46 5.168/6.471 5.681 ± 0.9083
ea16 1342 1342/1342 1342 ± 0.00001486 5.811 5.388/6.631 5.915 ± 0.8892
ea17 1342 1342/1342 1342 ± 0.00004365 5.951 5.497/6.617 5.897 ± 0.9368
ea18 1342 1342/1342 1342 ± 0.00003283 5.091 4.748/5.797 5.081 ± 0.7475
ea19 1342 1342/1342 1342 ± 0 5.964 5.676/6.778 6.063 ± 0.7817
ea20 1342 1342/1342 1342 ± 0.00001872 6.083 5.691/7.031 6.094 ± 1.147
ea21 1342 1342/1342 1342 ± 0.0000118 5.627 5.422/6.446 5.69 ± 0.7891
ea22 1342 1342/1342 1342 ± 0.00003432 5.486 5.237/6.525 5.687 ± 0.8101
ea23 1342 1342/1342 1342 ± 0.0000477 6.46 5.74/6.688 5.957 ± 1.094
ea24 1342 1342/1342 1342 ± 0.00001207 5.065 4.877/6.107 5.431 ± 0.6487
ea25 1342 1342/1342 1342 ± 0.00004272 5.635 5.279/6.408 5.65 ± 0.8876
ea26 1342 1342/1342 1342 ± 0.00002886 5.791 5.507/6.907 6.035 ± 0.8399
ea27 1342 1342/1342 1342 ± 0.00004362 5.652 5.295/6.579 5.68 ± 0.8799
ea28 1342 1342/1342 1342 ± 0.00004237 5.831 5.545/6.658 5.844 ± 0.9071
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 5.528 5.357/5.798 5.523 ± 0.3284
3 1342 1342/1342 1342 ± 0.00003727 5.004 4.864/5.222 5.05 ± 0.2977
5 1342 1342/1342 1342 ± 0.00002413 5.336 5.121/5.559 5.343 ± 0.2935
6 1342 1342/1342 1342 ± 0.00002392 5.472 5.154/5.615 5.389 ± 0.2851
7 1342 1342/1342 1342 ± 0.00002392 5.441 5.238/5.654 5.432 ± 0.2856
8 1342 1342/1342 1342 ± 0.00002392 5.462 5.107/5.613 5.39 ± 0.3157
9 1342 1342/1342 1342 ± 0.00002438 5.732 5.375/5.943 5.696 ± 0.3019
10 1342 1342/1342 1342 ± 0.00002348 6.214 5.91/6.282 6.104 ± 0.3314
11 1342 1342/1342 1342 ± 0.00002348 6.456 6.101/6.614 6.395 ± 0.329
12 1342 1342/1342 1342 ± 0.00002348 6.582 6.287/6.804 6.55 ± 0.3682
13 1342 1342/1342 1342 ± 0.00002348 6.784 6.412/7.062 6.74 ± 0.3963
14 1342 1342/1342 1342 ± 0.00002571 6.5 6.166/6.842 6.521 ± 0.4742
15 1342 1342/1342 1342 ± 0.00002441 6.72 6.395/6.955 6.617 ± 0.4389
16 1342 1342/1342 1342 ± 0.00006103 4.009 3.791/4.309 4.062 ± 0.341
17 1342 1342/1342 1342 ± 0.00006052 4.172 3.957/4.436 4.179 ± 0.3425
vis
VLASS2.1.sb38499285.eb38509861.59047.50492306713_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
Start time
2024-11-07 18:44:16.247
End
2024-11-07 19:41:39.129
Duration
0:57:22.883
Note, WebLog generation is not included in the time.

CASA logs for stage 8