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

Statwt Summary Plot

VLASS2.1.sb38504727.eb38659863.59113.352947384265_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 6.239 5.678/6.755 6.132 ± 0.6246
ea02 1342 1342/1342 1342 ± 0.00003545 6.144 5.351/6.87 6.03 ± 0.7354
ea04 1342 1342/1342 1342 ± 0.00002664 5.717 5.348/6.196 5.819 ± 0.5699
ea05 1342 1342/1342 1342 ± 0.00001025 6.019 5.343/6.566 5.923 ± 0.7016
ea06 1342 1342/1342 1342 ± 0.0000294 5.74 5.031/5.85 5.492 ± 0.519
ea07 1342 1342/1342 1342 ± 0.0000308 6.335 5.625/6.903 6.214 ± 0.6207
ea08 1342 1342/1342 1342 ± 0.00002852 6.698 5.6/7.051 6.316 ± 0.7831
ea09 1342 1342/1342 1342 ± 0.00002362 5.972 5.468/6.687 6.031 ± 0.7123
ea10 1342 1342/1342 1342 ± 0.00003147 6.673 5.708/7.114 6.386 ± 0.7353
ea11 1342 1342/1342 1342 ± 0.00003159 6.714 5.67/7.001 6.419 ± 0.7988
ea12 1342 1342/1342 1342 ± 0.00002661 6.291 5.725/7.001 6.31 ± 0.7085
ea13 1342 1342/1342 1342 ± 0.00001455 6.309 5.615/6.765 6.18 ± 0.6358
ea14 1342 1342/1342 1342 ± 0.00003013 5.953 5.213/6.735 5.896 ± 0.7203
ea15 1342 1342/1342 1342 ± 0.0000239 5.652 5.567/6.639 6.105 ± 0.7375
ea16 1342 1342/1342 1342 ± 0.00001548 5.892 5.542/6.954 6.253 ± 0.9286
ea17 1342 1342/1342 1342 ± 0.00002956 6.52 6.07/7.439 6.617 ± 0.7965
ea18 1342 1342/1342 1342 ± 0.00003152 5.5 5.176/6.066 5.65 ± 0.498
ea19 1342 1342/1342 1342 ± 0.000008771 6.012 5.752/6.8 6.26 ± 0.685
ea20 1342 1342/1342 1342 ± 0.0000295 6.251 5.911/7.239 6.584 ± 0.7606
ea21 1342 1342/1342 1342 ± 0.00002366 6.21 5.561/6.521 6.02 ± 0.652
ea22 1342 1342/1342 1342 ± 0.00003184 5.264 5.11/6.827 5.791 ± 0.8346
ea23 1342 1342/1342 1342 ± 0.00002073 6.135 5.516/6.881 6.107 ± 0.7112
ea25 1342 1342/1342 1342 ± 0.00002318 6.473 5.782/6.773 6.313 ± 0.6583
ea26 1342 1342/1342 1342 ± 0.00002196 6.384 5.915/6.929 6.347 ± 0.6673
ea27 1342 1342/1342 1342 ± 0.00003048 5.918 5.811/6.887 6.25 ± 0.6678
ea28 1342 1342/1342 1342 ± 0.00002904 6.169 5.815/6.874 6.363 ± 0.7131
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 ± 0.00002351 5.68 5.375/5.931 5.635 ± 0.3618
5 1342 1342/1342 1342 ± 0.0000406 5.434 5.297/5.586 5.46 ± 0.2153
6 1342 1342/1342 1342 ± 0.00002395 5.597 5.347/5.814 5.578 ± 0.2532
7 1342 1342/1342 1342 ± 0.00002351 5.592 5.405/5.77 5.575 ± 0.287
8 1342 1342/1342 1342 ± 0.00002351 5.538 5.347/5.668 5.524 ± 0.3134
9 1342 1342/1342 1342 ± 0.00002432 5.749 5.493/5.908 5.724 ± 0.2647
10 1342 1342/1342 1342 ± 0.00002351 6.287 6.057/6.425 6.265 ± 0.3019
11 1342 1342/1342 1342 ± 0.00002351 6.529 6.336/6.741 6.499 ± 0.3088
12 1342 1342/1342 1342 ± 0.00002395 6.688 6.479/6.898 6.645 ± 0.3482
13 1342 1342/1342 1342 ± 0.00002351 7.088 6.884/7.243 7.08 ± 0.3393
14 1342 1342/1342 1342 ± 0.00002351 7.316 7.062/7.474 7.241 ± 0.3606
15 1342 1342/1342 1342 ± 0.00002632 6.947 6.768/7.08 6.869 ± 0.3957
16 1342 1342/1342 1342 ± 0.00005794 4.965 4.86/5.071 4.966 ± 0.163
17 1342 1342/1342 1342 ± 0.0000551 5.058 4.933/5.179 5.064 ± 0.1768
datacolumn
residual_data
vis
VLASS2.1.sb38504727.eb38659863.59113.352947384265_split_split.ms
overwrite_modelcol
False
output_dir
 
statwtmode
VLASS-SE
Start time
2025-01-07 00:53:38.995
End
2025-01-07 01:39:39.739
Duration
0:46:00.743
Note, WebLog generation is not included in the time.

CASA logs for stage 8