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

Statwt Summary Plot

VLASS2.1.sb38450628.eb38515240.59049.50130047454_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 5.435 5.349/6.285 5.677 ± 0.7888
ea02 1342 1342/1342 1342 ± 0.00003492 6.055 5.475/6.775 6.008 ± 1.005
ea04 1342 1342/1342 1342 ± 0.0000428 5.498 5.134/6.196 5.459 ± 0.8558
ea05 1342 1342/1342 1342 ± 0.00003181 5.468 5.113/6.492 5.646 ± 0.9652
ea06 1342 1342/1342 1342 ± 0.00004193 5.215 4.868/5.806 5.176 ± 0.7319
ea07 1342 1342/1342 1342 ± 0.00003476 5.889 5.408/6.3 5.842 ± 0.8336
ea09 1342 1342/1342 1342 ± 0.00003435 5.518 5.102/6.193 5.396 ± 0.8727
ea10 1342 1342/1342 1342 ± 0.00003385 5.278 4.886/5.936 5.317 ± 0.7108
ea11 1342 1342/1342 1342 ± 0.00003756 6.079 5.49/6.665 5.944 ± 0.9058
ea12 1342 1342/1342 1342 ± 0.00004116 5.875 5.563/6.742 5.902 ± 0.9864
ea13 1342 1342/1342 1342 ± 0.00002288 5.75 5.612/6.336 5.87 ± 0.9171
ea14 1342 1342/1342 1342 ± 0.0000383 5.736 5.421/6.706 5.927 ± 1.012
ea15 1342 1342/1342 1342 ± 0.00004237 5.746 5.437/6.545 5.797 ± 1.008
ea16 1342 1342/1342 1342 ± 0.00003734 5.949 5.507/6.879 6.031 ± 1.151
ea17 1342 1342/1342 1342 ± 0.0000373 6.051 5.543/6.834 6.084 ± 0.9287
ea18 1342 1342/1342 1342 ± 0.00003974 5.099 4.909/5.73 5.149 ± 0.7145
ea19 1342 1342/1342 1342 ± 0.00001966 5.767 5.511/6.851 5.962 ± 1.029
ea20 1342 1342/1342 1342 ± 0.0000407 6.121 6.019/7.021 6.225 ± 1.035
ea21 1342 1342/1342 1342 ± 0.00003675 5.605 5.316/6.412 5.716 ± 0.9713
ea22 1342 1342/1342 1342 ± 0.00004078 5.518 5.207/6.548 5.668 ± 1.051
ea23 1342 1342/1342 1342 ± 0.00003597 5.978 5.548/6.714 6.031 ± 1.013
ea24 1342 1342/1342 1342 ± 0.00002275 5.277 4.825/6.253 5.413 ± 0.8708
ea25 1342 1342/1342 1342 ± 0.00003612 5.763 5.346/6.454 5.762 ± 0.8325
ea26 1342 1342/1342 1342 ± 0.00003591 5.864 5.716/6.857 5.995 ± 1.075
ea27 1342 1342/1342 1342 ± 0.00003493 5.73 5.377/6.581 5.84 ± 0.8288
ea28 1342 1342/1342 1342 ± 0.00003606 5.822 5.545/6.751 6.034 ± 0.8988
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 ± 0.00002365 5.481 5.301/5.676 5.441 ± 0.3205
5 1342 1342/1342 1342 ± 0.00002349 5.379 5.136/5.541 5.353 ± 0.3434
6 1342 1342/1342 1342 ± 0.00002365 5.409 5.128/5.544 5.355 ± 0.2665
7 1342 1342/1342 1342 ± 0.00002365 5.444 5.229/5.571 5.397 ± 0.2782
8 1342 1342/1342 1342 ± 0.00002365 5.434 5.117/5.527 5.372 ± 0.3191
9 1342 1342/1342 1342 ± 0.00002365 5.73 5.403/5.885 5.66 ± 0.3083
10 1342 1342/1342 1342 ± 0.00002364 6.159 5.894/6.262 6.078 ± 0.294
11 1342 1342/1342 1342 ± 0.00002364 6.449 6.117/6.569 6.347 ± 0.296
12 1342 1342/1342 1342 ± 0.00002365 6.543 6.295/6.748 6.548 ± 0.337
13 1342 1342/1342 1342 ± 0.00002383 6.783 6.487/7.014 6.716 ± 0.4316
14 1342 1342/1342 1342 ± 0.00002524 6.922 6.487/7.189 6.831 ± 0.5001
15 1342 1342/1342 1342 ± 0.00003621 6.799 6.509/7.066 6.699 ± 0.5549
16 1342 1342/1342 1342 ± 0.00004956 3.717 3.57/3.883 3.727 ± 0.2409
17 1342 1342/1342 1342 ± 0.00004667 3.806 3.564/4.055 3.82 ± 0.3914
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS2.1.sb38450628.eb38515240.59049.50130047454_split_split.ms
output_dir
 
datacolumn
residual_data
Start time
2025-02-08 13:00:39.286
End
2025-02-08 14:05:41.023
Duration
1:05:01.736
Note, WebLog generation is not included in the time.

CASA logs for stage 8