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

Statwt Summary Plot

VLASS2.1.sb38606107.eb38625163.59092.29495140046_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 5.211 5.075/5.808 5.248 ± 0.7675
ea02 1342 1342/1342 1342 ± 0.0000417 5.675 5.23/6.333 5.572 ± 0.9599
ea04 1342 1342/1342 1342 ± 0.000002929 5.023 4.793/5.804 5.139 ± 0.7798
ea05 1342 1342/1342 1342 ± 0.00001072 5.38 5.045/6.223 5.53 ± 0.7222
ea06 1342 1342/1342 1342 ± 0.000008268 4.638 4.513/5.095 4.606 ± 0.6308
ea07 1342 1342/1342 1342 ± 0.0000431 5.543 5.278/6.101 5.533 ± 0.8167
ea08 1342 1342/1342 1342 ± 0.00004281 5.826 5.384/6.534 5.75 ± 0.9758
ea10 1342 1342/1342 1342 ± 0.00004362 5.369 5.111/6.345 5.508 ± 0.9027
ea11 1342 1342/1342 1342 ± 0.00004272 5.646 5.006/6.29 5.467 ± 0.9479
ea12 1342 1342/1342 1342 ± 0.000009969 5.415 5.155/6.398 5.547 ± 1.047
ea13 1342 1342/1342 1342 ± 0.00001004 5.685 5.544/6.304 5.816 ± 0.7278
ea14 1342 1342/1342 1342 ± 0.000008181 5.355 5.003/6.209 5.415 ± 0.8118
ea15 1342 1342/1342 1342 ± 0.000001196 5.08 4.821/5.992 5.311 ± 0.8777
ea16 1342 1342/1342 1342 ± 0.00002303 5.757 5.458/6.682 5.769 ± 0.9557
ea17 1342 1342/1342 1342 ± 0.00004403 5.637 5.219/6.261 5.589 ± 0.9319
ea18 1342 1342/1342 1342 ± 0.0000387 4.818 4.509/5.578 4.825 ± 0.7505
ea19 1342 1342/1342 1342 ± 0 5.597 5.359/6.609 5.77 ± 0.7777
ea20 1342 1342/1342 1342 ± 0.00002225 5.788 5.486/6.678 5.895 ± 1.055
ea21 1342 1342/1342 1342 ± 0.00001801 5.368 5.185/6.106 5.449 ± 0.7525
ea22 1342 1342/1342 1342 ± 0.00002987 5.34 5.006/6.31 5.445 ± 0.8506
ea23 1342 1342/1342 1342 ± 0.00004202 5.549 5.206/6.226 5.588 ± 0.8285
ea25 1342 1342/1342 1342 ± 0.00004279 5.244 4.916/5.962 5.267 ± 0.8369
ea26 1342 1342/1342 1342 ± 0.00001281 5.694 5.47/6.775 5.898 ± 0.8527
ea27 1342 1342/1342 1342 ± 0.00004461 5.335 5.013/6.249 5.344 ± 0.8783
ea28 1342 1342/1342 1342 ± 0.00004361 5.511 5.271/6.315 5.532 ± 0.8942
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 5.155 4.951/5.419 5.179 ± 0.2654
5 1342 1342/1342 1342 ± 0.00002394 5.202 4.928/5.329 5.113 ± 0.3681
6 1342 1342/1342 1342 ± 0.00002394 5.246 4.998/5.361 5.189 ± 0.3085
7 1342 1342/1342 1342 ± 0.00002394 5.234 5.086/5.378 5.225 ± 0.2776
8 1342 1342/1342 1342 ± 0.00002394 5.236 5.042/5.374 5.19 ± 0.2931
9 1342 1342/1342 1342 ± 0.00002394 5.533 5.377/5.76 5.503 ± 0.3232
10 1342 1342/1342 1342 ± 0.00002394 5.921 5.807/6.101 5.885 ± 0.3485
11 1342 1342/1342 1342 ± 0.00002394 6.221 6.069/6.322 6.145 ± 0.357
12 1342 1342/1342 1342 ± 0.00002394 6.374 6.187/6.545 6.31 ± 0.3796
13 1342 1342/1342 1342 ± 0.00002407 6.502 6.311/6.683 6.483 ± 0.3834
14 1342 1342/1342 1342 ± 0.00003019 6.244 5.895/6.631 6.267 ± 0.5168
15 1342 1342/1342 1342 ± 0.00002396 6.588 6.269/6.736 6.445 ± 0.4891
16 1342 1342/1342 1342 ± 0.00006034 3.701 3.557/3.956 3.784 ± 0.3348
17 1342 1342/1342 1342 ± 0.00006099 3.83 3.673/4.004 3.87 ± 0.3076
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS2.1.sb38606107.eb38625163.59092.29495140046_split_split.ms
output_dir
 
Start time
2025-01-24 11:47:22.564
End
2025-01-24 12:44:49.641
Duration
0:57:27.077
Note, WebLog generation is not included in the time.

CASA logs for stage 8