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 5.407 5.333/6.22 5.659 ± 0.7581
ea02 1342 1342/1342 1342 ± 0.00004404 6.05 5.484/6.769 6.001 ± 0.9566
ea04 1342 1342/1342 1342 ± 0.00002129 5.452 5.142/6.133 5.519 ± 0.7586
ea05 1342 1342/1342 1342 ± 0.00002298 5.634 5.152/6.454 5.799 ± 0.7842
ea06 1342 1342/1342 1342 ± 0.00002683 4.768 4.561/5.309 4.813 ± 0.5587
ea07 1342 1342/1342 1342 ± 0.00004946 5.964 5.532/6.414 5.908 ± 0.8948
ea08 1342 1342/1342 1342 ± 0.00003714 6.122 5.651/6.927 6.257 ± 0.9345
ea09 1342 1342/1342 1342 ± 0.00002671 5.796 5.214/6.616 5.79 ± 0.8461
ea10 1342 1342/1342 1342 ± 0.00004033 6.004 5.356/6.858 5.936 ± 0.9086
ea11 1342 1342/1342 1342 ± 0.00004344 5.783 5.255/6.57 5.828 ± 0.9168
ea12 1342 1342/1342 1342 ± 0.00002857 5.81 5.45/6.618 5.869 ± 0.9471
ea13 1342 1342/1342 1342 ± 0.0000144 6.006 5.729/6.464 6.059 ± 0.8166
ea14 1342 1342/1342 1342 ± 0.00003845 5.681 5.362/6.506 5.825 ± 0.8178
ea15 1342 1342/1342 1342 ± 0.00002133 5.423 5.134/6.3 5.624 ± 0.8618
ea16 1342 1342/1342 1342 ± 0.00003736 6.013 5.613/6.932 6.148 ± 0.9941
ea17 1342 1342/1342 1342 ± 0.00004289 5.948 5.519/7.115 6.066 ± 0.9561
ea18 1342 1342/1342 1342 ± 0.00004317 4.952 4.799/5.734 5.128 ± 0.6491
ea19 1342 1342/1342 1342 ± 0.00001173 5.887 5.659/6.976 6.174 ± 0.842
ea20 1342 1342/1342 1342 ± 0.00003911 5.93 5.781/7.09 6.154 ± 1.02
ea21 1342 1342/1342 1342 ± 0.0000351 5.622 5.437/6.478 5.813 ± 0.7955
ea22 1342 1342/1342 1342 ± 0.00004132 5.402 5.073/6.41 5.602 ± 0.8379
ea23 1342 1342/1342 1342 ± 0.00004268 5.884 5.49/6.726 5.963 ± 0.9481
ea25 1342 1342/1342 1342 ± 0.00004311 5.537 5.229/6.363 5.66 ± 0.8401
ea26 1342 1342/1342 1342 ± 0.0000329 5.956 5.818/7.029 6.16 ± 0.9493
ea27 1342 1342/1342 1342 ± 0.00004066 5.641 5.194/6.616 5.747 ± 0.8568
ea28 1342 1342/1342 1342 ± 0.00004242 5.718 5.444/6.652 5.887 ± 0.9261
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 ± 0.00002348 5.445 5.312/5.795 5.483 ± 0.3113
5 1342 1342/1342 1342 ± 0.00003626 5.493 5.243/5.531 5.392 ± 0.2473
6 1342 1342/1342 1342 ± 0.00002348 5.484 5.243/5.674 5.449 ± 0.33
7 1342 1342/1342 1342 ± 0.00002348 5.47 5.257/5.655 5.435 ± 0.2997
8 1342 1342/1342 1342 ± 0.00002348 5.444 5.191/5.575 5.37 ± 0.3281
9 1342 1342/1342 1342 ± 0.00002348 5.681 5.427/5.946 5.634 ± 0.3719
10 1342 1342/1342 1342 ± 0.00002348 6.156 5.967/6.351 6.105 ± 0.3469
11 1342 1342/1342 1342 ± 0.00002348 6.425 6.217/6.549 6.359 ± 0.3556
12 1342 1342/1342 1342 ± 0.00002348 6.591 6.408/6.796 6.553 ± 0.3996
13 1342 1342/1342 1342 ± 0.00002348 7.011 6.743/7.127 6.954 ± 0.4291
14 1342 1342/1342 1342 ± 0.00002348 7.076 6.876/7.36 7.051 ± 0.5002
15 1342 1342/1342 1342 ± 0.00002414 6.818 6.543/7.038 6.72 ± 0.4876
16 1342 1342/1342 1342 ± 0.00005634 4.27 4.13/4.414 4.272 ± 0.221
17 1342 1342/1342 1342 ± 0.00005705 4.322 4.19/4.525 4.37 ± 0.2824
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38500385.eb38635359.59099.351010810184_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2025-02-22 02:23:29.729
End
2025-02-22 02:51:34.036
Duration
0:28:04.307
Note, WebLog generation is not included in the time.

CASA logs for stage 8