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

Statwt Summary Plot

VLASS2.1.sb38500385.eb38635359.59099.351010810184_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 5.131 4.962/5.907 5.448 ± 0.6502
ea02 1342 1342/1342 1342 ± 0.0000259 5.617 5.119/6.53 5.836 ± 0.8173
ea04 1342 1342/1342 1342 ± 0.00002583 5.208 4.905/5.809 5.341 ± 0.638
ea05 1342 1342/1342 1342 ± 0.000007215 5.388 4.963/6.434 5.706 ± 0.7634
ea06 1342 1342/1342 1342 ± 0.00001927 4.644 4.509/5.367 4.875 ± 0.5717
ea07 1342 1342/1342 1342 ± 0.00004354 5.579 5.201/6.188 5.704 ± 0.7535
ea08 1342 1342/1342 1342 ± 0.00004249 5.648 5.252/6.672 5.964 ± 0.8769
ea09 1342 1342/1342 1342 ± 0 5.412 5.079/6.42 5.684 ± 0.7144
ea10 1342 1342/1342 1342 ± 0.00004408 5.572 4.994/6.489 5.697 ± 0.8338
ea11 1342 1342/1342 1342 ± 0.0000437 5.326 4.899/6.231 5.532 ± 0.8064
ea12 1342 1342/1342 1342 ± 0.00002345 5.414 5.154/6.065 5.639 ± 0.7815
ea13 1342 1342/1342 1342 ± 0 5.7 5.409/6.219 5.923 ± 0.6475
ea14 1342 1342/1342 1342 ± 0.00003736 5.392 5.014/6.29 5.634 ± 0.7565
ea15 1342 1342/1342 1342 ± 0.000007124 5.136 4.926/6.055 5.449 ± 0.7768
ea16 1342 1342/1342 1342 ± 0.00001281 5.762 5.298/6.719 5.955 ± 0.9528
ea17 1342 1342/1342 1342 ± 0.00004496 5.667 5.166/6.336 5.835 ± 0.8441
ea18 1342 1342/1342 1342 ± 0.00004351 4.596 4.503/5.274 4.915 ± 0.5748
ea19 1342 1342/1342 1342 ± 0.00002042 5.616 5.386/6.729 6.013 ± 0.807
ea20 1342 1342/1342 1342 ± 0.00003568 5.678 5.558/6.625 5.934 ± 0.8418
ea21 1342 1342/1342 1342 ± 0.00002518 5.352 5.034/6.231 5.614 ± 0.7432
ea22 1342 1342/1342 1342 ± 0.000003743 5.283 4.934/6.209 5.576 ± 0.6979
ea23 1342 1342/1342 1342 ± 0.00004068 5.479 5.111/6.485 5.78 ± 0.8524
ea25 1342 1342/1342 1342 ± 0.00004486 5.286 4.904/5.981 5.456 ± 0.7486
ea26 1342 1342/1342 1342 ± 0 5.634 5.482/6.855 6.071 ± 0.7987
ea27 1342 1342/1342 1342 ± 0.00004346 5.294 4.946/6.273 5.514 ± 0.7512
ea28 1342 1342/1342 1342 ± 0.00004416 5.384 5.218/6.273 5.718 ± 0.7866
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 ± 0.00002354 5.07 4.922/5.402 5.123 ± 0.2859
5 1342 1342/1342 1342 ± 0.00003463 5.41 5.14/5.746 5.425 ± 0.4363
6 1342 1342/1342 1342 ± 0.00002354 5.231 4.974/5.363 5.163 ± 0.2884
7 1342 1342/1342 1342 ± 0.00002354 5.135 4.968/5.347 5.15 ± 0.2655
8 1342 1342/1342 1342 ± 0.00002354 5.137 4.954/5.256 5.101 ± 0.2808
9 1342 1342/1342 1342 ± 0.00002354 5.348 5.142/5.611 5.336 ± 0.305
10 1342 1342/1342 1342 ± 0.00002353 5.913 5.816/6.11 5.906 ± 0.308
11 1342 1342/1342 1342 ± 0.00002353 6.211 6.063/6.353 6.165 ± 0.3235
12 1342 1342/1342 1342 ± 0.00002353 6.39 6.185/6.54 6.345 ± 0.3511
13 1342 1342/1342 1342 ± 0.00002353 6.762 6.61/7.018 6.763 ± 0.3685
14 1342 1342/1342 1342 ± 0.00002353 6.954 6.784/7.224 6.948 ± 0.3999
15 1342 1342/1342 1342 ± 0.00002785 6.209 5.864/6.647 6.236 ± 0.5787
16 1342 1342/1342 1342 ± 0.00006096 4.489 4.318/4.685 4.508 ± 0.2584
17 1342 1342/1342 1342 ± 0.00006103 4.718 4.559/4.927 4.759 ± 0.2913
datacolumn
residual_data
vis
VLASS2.1.sb38500385.eb38635359.59099.351010810184_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
Start time
2024-11-02 17:16:47.422
End
2024-11-02 18:21:21.519
Duration
1:04:34.096
Note, WebLog generation is not included in the time.

CASA logs for stage 8