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

Statwt Summary Plot

VLASS2.1.sb38480042.eb38504612.59046.34985846065_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 5.471 5.244/6.191 5.58 ± 0.6914
ea02 1342 1342/1342 1342 ± 0.00003726 5.925 5.463/6.61 5.86 ± 0.8821
ea04 1342 1342/1342 1342 ± 0 5.486 5.16/6.017 5.548 ± 0.6193
ea05 1342 1342/1342 1342 ± 0.00001403 5.63 5.202/6.484 5.804 ± 0.7212
ea06 1342 1342/1342 1342 ± 0.000002553 5.281 5.03/5.923 5.396 ± 0.6118
ea07 1342 1342/1342 1342 ± 0 5.295 5.185/5.577 5.356 ± 0.2249
ea08 1342 1342/1342 1342 ± 0.00004277 6.095 5.609/6.808 6.07 ± 0.9405
ea09 1342 1342/1342 1342 ± 0 5.203 4.961/5.621 5.219 ± 0.5077
ea11 1342 1342/1342 1342 ± 0.00003162 5.874 5.367/6.486 5.823 ± 0.8382
ea13 1342 1342/1342 1342 ± 0.000006746 5.977 5.822/6.377 6.024 ± 0.6169
ea14 1342 1342/1342 1342 ± 0.00001838 5.7 5.459/6.532 5.876 ± 0.658
ea15 1342 1342/1342 1342 ± 0 5.574 5.387/6.461 5.831 ± 0.7592
ea16 1342 1342/1342 1342 ± 0.00002609 5.998 5.587/6.759 6.046 ± 0.8115
ea17 1342 1342/1342 1342 ± 0 5.775 5.636/5.938 5.772 ± 0.1817
ea18 1342 1342/1342 1342 ± 0.000008748 5.016 4.881/5.744 5.159 ± 0.5928
ea19 1342 1342/1342 1342 ± 0 5.684 5.659/5.86 5.746 ± 0.1083
ea20 1342 1342/1342 1342 ± 0.000004271 5.941 5.854/6.808 6.122 ± 0.8487
ea21 1342 1342/1342 1342 ± 0.00002178 5.663 5.397/6.399 5.775 ± 0.716
ea22 1342 1342/1342 1342 ± 0.00002339 5.454 5.117/6.373 5.581 ± 0.7676
ea23 1342 1342/1342 1342 ± 0.00003904 5.793 5.513/6.672 5.951 ± 0.8271
ea24 1342 1342/1342 1342 ± 0 5.338 5.085/6.228 5.581 ± 0.6085
ea25 1342 1342/1342 1342 ± 0.00003918 5.632 5.444/6.461 5.733 ± 0.8375
ea26 1342 1342/1342 1342 ± 0.000008138 5.935 5.775/6.994 6.17 ± 0.7695
ea27 1342 1342/1342 1342 ± 0 5.593 5.262/5.646 5.497 ± 0.1821
ea28 1342 1342/1342 1342 ± 0.00004272 5.689 5.506/6.571 5.843 ± 0.8084
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 ± 0.00002393 5.517 5.349/5.684 5.504 ± 0.251
5 1342 1342/1342 1342 ± 0.00002415 5.521 5.352/5.71 5.532 ± 0.2972
6 1342 1342/1342 1342 ± 0.00002393 5.456 5.186/5.643 5.422 ± 0.2804
7 1342 1342/1342 1342 ± 0.00002393 5.478 5.218/5.66 5.463 ± 0.2803
8 1342 1342/1342 1342 ± 0.00002393 5.498 5.2/5.616 5.41 ± 0.3045
9 1342 1342/1342 1342 ± 0.00002446 5.724 5.594/5.947 5.704 ± 0.2825
10 1342 1342/1342 1342 ± 0.00002601 6.096 5.878/6.258 6.024 ± 0.3563
11 1342 1342/1342 1342 ± 0.00002601 6.377 6.209/6.467 6.306 ± 0.3278
12 1342 1342/1342 1342 ± 0.00002601 6.47 6.34/6.622 6.446 ± 0.3343
13 1342 1342/1342 1342 ± 0.00002601 6.887 6.531/7.039 6.756 ± 0.3934
14 1342 1342/1342 1342 ± 0.00002601 6.835 6.487/7.041 6.747 ± 0.4182
15 1342 1342/1342 1342 ± 0.00002601 6.558 6.171/6.878 6.522 ± 0.4865
16 1342 1342/1342 1342 ± 0.00005906 4.398 4.22/4.667 4.442 ± 0.266
17 1342 1342/1342 1342 ± 0.00005581 4.515 4.264/4.762 4.514 ± 0.2748
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38480042.eb38504612.59046.34985846065_split_split.ms
statwtmode
VLASS-SE
Start time
2024-12-06 01:24:19.811
End
2024-12-06 02:28:29.536
Duration
1:04:09.725
Note, WebLog generation is not included in the time.

CASA logs for stage 8