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 5.358 5.207/6.223 5.611 ± 0.7426
ea02 1342 1342/1342 1342 ± 0.00003392 5.877 5.376/6.675 5.934 ± 0.9635
ea04 1342 1342/1342 1342 ± 0.00003529 5.5 5.041/6.144 5.484 ± 0.7941
ea05 1342 1342/1342 1342 ± 0.00002078 5.454 5.034/6.515 5.688 ± 0.9612
ea06 1342 1342/1342 1342 ± 0.0000337 4.911 4.566/5.294 4.862 ± 0.5788
ea07 1342 1342/1342 1342 ± 0.00003161 5.898 5.396/6.351 5.902 ± 0.8811
ea08 1342 1342/1342 1342 ± 0.00003217 6.178 5.689/6.942 6.265 ± 0.9778
ea09 1342 1342/1342 1342 ± 0.0000226 5.598 4.999/6.432 5.601 ± 0.9451
ea10 1342 1342/1342 1342 ± 0.00003224 5.795 5.224/6.581 5.826 ± 0.8934
ea11 1342 1342/1342 1342 ± 0.00003265 5.868 5.204/6.569 5.834 ± 0.8356
ea12 1342 1342/1342 1342 ± 0.00003424 5.688 5.239/6.614 5.804 ± 0.886
ea13 1342 1342/1342 1342 ± 0.00001716 5.779 5.491/6.373 5.948 ± 0.9159
ea14 1342 1342/1342 1342 ± 0.00002669 5.755 5.36/6.733 6.014 ± 0.9925
ea15 1342 1342/1342 1342 ± 0.00003398 5.438 5.077/6.303 5.651 ± 0.918
ea16 1342 1342/1342 1342 ± 0.00002646 5.766 5.354/6.713 5.954 ± 1.074
ea17 1342 1342/1342 1342 ± 0.00003267 6.125 5.666/7.117 6.173 ± 0.9105
ea18 1342 1342/1342 1342 ± 0.00003203 5.002 4.74/5.782 5.118 ± 0.6537
ea19 1342 1342/1342 1342 ± 0.00001496 5.766 5.384/6.801 5.97 ± 1.038
ea20 1342 1342/1342 1342 ± 0.00003408 5.935 5.673/6.868 6.134 ± 0.9073
ea21 1342 1342/1342 1342 ± 0.00002517 5.572 5.279/6.42 5.777 ± 0.9678
ea22 1342 1342/1342 1342 ± 0.00003441 5.366 4.978/6.472 5.654 ± 0.987
ea23 1342 1342/1342 1342 ± 0.00003021 5.913 5.481/6.741 6.087 ± 0.9693
ea25 1342 1342/1342 1342 ± 0.00003232 5.558 5.245/6.428 5.712 ± 0.807
ea27 1342 1342/1342 1342 ± 0.00003199 5.594 5.327/6.567 5.775 ± 0.8165
ea28 1342 1342/1342 1342 ± 0.00003325 5.856 5.407/6.68 5.988 ± 0.9072
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 ± 0.00002394 5.493 5.291/5.69 5.466 ± 0.2791
5 1342 1342/1342 1342 ± 0.00002392 5.322 5.094/5.534 5.295 ± 0.3969
6 1342 1342/1342 1342 ± 0.00002394 5.236 5.052/5.34 5.184 ± 0.2671
7 1342 1342/1342 1342 ± 0.00002394 5.247 5.118/5.407 5.239 ± 0.252
8 1342 1342/1342 1342 ± 0.00002394 5.283 5.088/5.424 5.261 ± 0.3003
9 1342 1342/1342 1342 ± 0.00002394 5.66 5.409/5.867 5.584 ± 0.3523
10 1342 1342/1342 1342 ± 0.00002394 6.11 5.868/6.215 6.021 ± 0.3301
11 1342 1342/1342 1342 ± 0.00002394 6.329 6.19/6.539 6.319 ± 0.3507
12 1342 1342/1342 1342 ± 0.00002394 6.578 6.367/6.713 6.528 ± 0.3678
13 1342 1342/1342 1342 ± 0.00002493 6.724 6.5/6.967 6.664 ± 0.4263
14 1342 1342/1342 1342 ± 0.00002394 7.132 6.774/7.435 7.017 ± 0.55
15 1342 1342/1342 1342 ± 0.00003827 6.838 6.615/7.186 6.78 ± 0.5883
16 1342 1342/1342 1342 ± 0.00005303 3.729 3.595/3.878 3.738 ± 0.2388
17 1342 1342/1342 1342 ± 0.00005025 3.7 3.531/3.891 3.722 ± 0.3307
vis
VLASS2.1.sb38461639.eb38575724.59076.48643795139_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
Start time
2025-04-08 09:26:41.637
End
2025-04-08 10:15:16.271
Duration
0:48:34.634
Note, WebLog generation is not included in the time.

CASA logs for stage 8