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

Statwt Summary Plot

VLASS2.1.sb38726305.eb38809014.59142.09063322916_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 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea02 1342 1342/1342 1342 ± 0 5.715 5.245/6.346 5.518 ± 1.057
ea03 1342 1342/1342 1342 ± 0.0000241 4.973 4.755/5.863 5.152 ± 0.7817
ea04 1342 1342/1342 1342 ± 0.0000304 5.301 5.024/6.064 5.366 ± 0.9611
ea05 1342 1342/1342 1342 ± 0.000002052 4.86 4.512/5.445 4.94 ± 0.633
ea06 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea07 1342 1342/1342 1342 ± 0.00002641 5.695 5.271/6.1 5.466 ± 0.9989
ea08 1342 1342/1342 1342 ± 0.00004502 5.655 5.405/6.612 5.671 ± 1.096
ea09 1342 1342/1342 1342 ± 0.00004279 5.317 5.07/6.172 5.401 ± 0.9264
ea10 1342 1342/1342 1342 ± 0.00004051 5.355 5.14/6.33 5.498 ± 1.061
ea11 1342 1342/1342 1342 ± 0.00004323 5.503 4.932/6.484 5.461 ± 1.032
ea12 1342 1342/1342 1342 ± 0.00002994 5.433 5.139/6.443 5.566 ± 1.083
ea13 1342 1342/1342 1342 ± 0.0000218 5.759 5.416/6.363 5.701 ± 0.8746
ea14 1342 1342/1342 1342 ± 0.00002003 5.388 5.051/6.341 5.463 ± 0.8683
ea15 1342 1342/1342 1342 ± 0 2.468 2.291/2.791 2.589 ± 0.4332
ea16 1342 1342/1342 1342 ± 0.00001242 5.653 5.335/6.583 5.717 ± 1.011
ea17 1342 1342/1342 1342 ± 0.00004281 5.944 5.476/6.683 5.866 ± 1.15
ea18 1342 1342/1342 1342 ± 0.00004426 4.723 4.578/5.521 4.77 ± 0.7521
ea19 1342 1342/1342 1342 ± 0.00001009 5.442 5.191/6.28 5.571 ± 0.7862
ea20 1342 1342/1342 1342 ± 0.00004207 5.704 5.509/6.955 5.882 ± 1.158
ea21 1342 1342/1342 1342 ± 0.000006481 5.401 5.224/6.263 5.498 ± 0.8527
ea23 1342 1342/1342 1342 ± 0.00001554 5.539 5.295/6.408 5.622 ± 1.03
ea24 1342 1342/1342 1342 ± 0.00004569 5.362 5.159/6.275 5.403 ± 0.9566
ea25 1342 1342/1342 1342 ± 0.0000431 5.297 5.132/6.077 5.32 ± 0.9425
ea26 1342 1342/1342 1342 ± 0.00003397 5.626 5.422/6.459 5.715 ± 0.9826
ea27 1342 1342/1342 1342 ± 0.00004249 5.328 5.047/6.273 5.352 ± 0.9767
ea28 1342 1342/1342 1342 ± 0.00004325 5.214 5.024/6.1 5.237 ± 0.9386
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 5.249 5.088/5.536 5.182 ± 0.6178
5 1342 1342/1342 1342 ± 0.00002701 5.243 4.994/5.443 5.208 ± 0.3552
6 1342 1342/1342 1342 ± 0.00002394 5.239 5.021/5.426 5.07 ± 0.638
7 1342 1342/1342 1342 ± 0.00002394 5.219 5.131/5.455 5.127 ± 0.645
8 1342 1342/1342 1342 ± 0.00002394 5.247 5.053/5.34 5.096 ± 0.6595
9 1342 1342/1342 1342 ± 0.00002394 5.419 5.202/5.662 5.302 ± 0.6886
10 1342 1342/1342 1342 ± 0.00002394 6.018 5.706/6.146 5.796 ± 0.7646
11 1342 1342/1342 1342 ± 0.00002394 6.347 6.074/6.41 6.098 ± 0.7665
12 1342 1342/1342 1342 ± 0.00002394 6.481 6.241/6.643 6.316 ± 0.7985
13 1342 1342/1342 1342 ± 0.00002402 6.475 6.247/6.727 6.369 ± 0.7186
14 1342 1342/1342 1342 ± 0.00003073 5.892 5.617/6.366 5.959 ± 0.7325
15 1342 1342/1342 1342 ± 0.00002394 6.607 6.291/6.921 6.432 ± 0.8969
16 1342 1342/1342 1342 ± 0.00005921 3.431 3.27/3.659 3.43 ± 0.368
17 1342 1342/1342 1342 ± 0.00006102 3.593 3.442/3.843 3.595 ± 0.3773
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS2.1.sb38726305.eb38809014.59142.09063322916_split_split.ms
overwrite_modelcol
False
output_dir
 
Start time
2025-01-11 12:22:26.466
End
2025-01-11 13:28:13.346
Duration
1:05:46.880
Note, WebLog generation is not included in the time.

CASA logs for stage 8