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

Statwt Summary Plot

VLASS2.1.sb38471682.eb38515236.59049.18662664352_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 5.61 5.359/6.336 5.7 ± 0.7341
ea02 1342 1342/1342 1342 ± 0.00004321 6.094 5.598/6.735 6.03 ± 0.8869
ea04 1342 1342/1342 1342 ± 0.00001909 5.403 5.304/6.091 5.567 ± 0.7345
ea05 1342 1342/1342 1342 ± 0.00001992 5.524 5.218/6.547 5.807 ± 0.7672
ea06 1342 1342/1342 1342 ± 0.00002717 5.07 4.859/5.764 5.239 ± 0.6424
ea07 1342 1342/1342 1342 ± 0.00004248 5.993 5.594/6.324 5.892 ± 0.8104
ea09 1342 1342/1342 1342 ± 0.00002196 5.289 5.097/5.768 5.338 ± 0.583
ea10 1342 1342/1342 1342 ± 0.00004361 5.35 4.951/6.027 5.357 ± 0.6994
ea11 1342 1342/1342 1342 ± 0.00004267 6.111 5.612/6.722 6.029 ± 0.9284
ea12 1342 1342/1342 1342 ± 0.00003592 5.792 5.719/6.691 5.992 ± 0.9202
ea13 1342 1342/1342 1342 ± 0.00001496 5.981 5.656/6.336 6.011 ± 0.6952
ea14 1342 1342/1342 1342 ± 0.00003527 5.808 5.55/6.727 5.993 ± 0.8575
ea15 1342 1342/1342 1342 ± 0.00001902 5.781 5.36/6.526 5.853 ± 0.8952
ea16 1342 1342/1342 1342 ± 0.00003106 5.933 5.568/6.787 6.069 ± 0.9174
ea17 1342 1342/1342 1342 ± 0.00004282 6.046 5.656/7.026 6.108 ± 0.9574
ea18 1342 1342/1342 1342 ± 0.00004194 5.156 4.994/5.927 5.31 ± 0.6677
ea19 1342 1342/1342 1342 ± 0.000009448 5.9 5.683/6.684 6.053 ± 0.7933
ea20 1342 1342/1342 1342 ± 0.00003984 6.24 5.974/7.036 6.351 ± 0.9815
ea21 1342 1342/1342 1342 ± 0.00003265 5.631 5.237/6.364 5.755 ± 0.7848
ea22 1342 1342/1342 1342 ± 0.00003455 5.67 5.171/6.561 5.788 ± 0.8197
ea23 1342 1342/1342 1342 ± 0.00004335 6.011 5.551/6.753 6.033 ± 0.9598
ea24 1342 1342/1342 1342 ± 0.00001434 5.281 4.896/6.179 5.468 ± 0.6674
ea25 1342 1342/1342 1342 ± 0.00004298 5.726 5.297/6.453 5.781 ± 0.8594
ea26 1342 1342/1342 1342 ± 0.00002128 5.918 5.822/6.91 6.128 ± 0.8572
ea27 1342 1342/1342 1342 ± 0.00004304 5.822 5.413/6.688 5.904 ± 0.8743
ea28 1342 1342/1342 1342 ± 0.00004275 5.792 5.7/6.734 6.022 ± 0.8787
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 ± 0.00002349 5.391 5.189/5.621 5.36 ± 0.3177
3 1342 1342/1342 1342 ± 0.00003944 5.329 5.089/5.579 5.339 ± 0.3901
5 1342 1342/1342 1342 ± 0.00002579 5.712 5.475/5.962 5.709 ± 0.3154
6 1342 1342/1342 1342 ± 0.00002349 5.621 5.262/5.742 5.536 ± 0.2923
7 1342 1342/1342 1342 ± 0.00002349 5.608 5.398/5.767 5.558 ± 0.2967
8 1342 1342/1342 1342 ± 0.00002349 5.56 5.214/5.674 5.478 ± 0.3346
9 1342 1342/1342 1342 ± 0.00002349 5.784 5.348/5.926 5.673 ± 0.3483
10 1342 1342/1342 1342 ± 0.00002349 6.186 5.936/6.277 6.097 ± 0.3102
11 1342 1342/1342 1342 ± 0.00002349 6.411 6.087/6.634 6.365 ± 0.3274
12 1342 1342/1342 1342 ± 0.00002349 6.561 6.318/6.752 6.523 ± 0.3707
13 1342 1342/1342 1342 ± 0.00002349 6.934 6.718/7.259 6.911 ± 0.4273
14 1342 1342/1342 1342 ± 0.00002349 7.186 6.864/7.355 7.056 ± 0.4487
15 1342 1342/1342 1342 ± 0.00002381 6.664 6.324/6.889 6.58 ± 0.436
16 1342 1342/1342 1342 ± 0.00005764 4.357 4.228/4.476 4.353 ± 0.1859
17 1342 1342/1342 1342 ± 0.00006005 4.351 4.211/4.628 4.406 ± 0.2708
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38471682.eb38515236.59049.18662664352_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2024-04-21 04:30:32.961
End
2024-04-21 05:40:58.308
Duration
1:10:25.348
Note, WebLog generation is not included in the time.

CASA logs for stage 7