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 5.215 4.965/5.86 5.439 ± 0.6555
ea02 1342 1342/1342 1342 ± 0.00002547 5.372 5.121/6.497 5.717 ± 0.8404
ea04 1342 1342/1342 1342 ± 0.00003014 5.096 4.872/5.8 5.333 ± 0.6495
ea05 1342 1342/1342 1342 ± 0 5.194 4.854/6.394 5.611 ± 0.7739
ea06 1342 1342/1342 1342 ± 0.00003653 4.314 4.108/5.137 4.61 ± 0.5352
ea07 1342 1342/1342 1342 ± 0.00004478 5.727 5.158/6.226 5.736 ± 0.8127
ea08 1342 1342/1342 1342 ± 0.00004186 5.507 5.124/6.554 5.851 ± 0.8876
ea09 1342 1342/1342 1342 ± 0 5.286 4.973/6.367 5.629 ± 0.7377
ea10 1342 1342/1342 1342 ± 0.00004404 5.272 5.015/6.564 5.734 ± 0.8456
ea11 1342 1342/1342 1342 ± 0.00004823 5.271 4.863/6.345 5.609 ± 0.8497
ea12 1342 1342/1342 1342 ± 0.00003813 5.402 5.043/6.11 5.644 ± 0.7835
ea13 1342 1342/1342 1342 ± 0 5.598 5.25/6.16 5.832 ± 0.7097
ea14 1342 1342/1342 1342 ± 0.0000229 5.142 4.949/6.202 5.531 ± 0.7599
ea15 1342 1342/1342 1342 ± 0.00002128 4.899 4.767/6.014 5.345 ± 0.7973
ea16 1342 1342/1342 1342 ± 0 5.502 5.177/6.69 5.855 ± 0.9735
ea17 1342 1342/1342 1342 ± 0.00004844 5.564 5.187/6.367 5.814 ± 0.8578
ea18 1342 1342/1342 1342 ± 0.00004584 4.588 4.465/5.312 4.916 ± 0.617
ea19 1342 1342/1342 1342 ± 0 5.525 5.341/6.671 5.985 ± 0.8112
ea20 1342 1342/1342 1342 ± 0.00004214 5.648 5.365/6.596 5.901 ± 0.8617
ea21 1342 1342/1342 1342 ± 0 5.334 5.001/6.284 5.654 ± 0.7579
ea22 1342 1342/1342 1342 ± 0 5.2 4.794/6.074 5.491 ± 0.7453
ea23 1342 1342/1342 1342 ± 0.00003536 5.314 5.065/6.316 5.748 ± 0.8819
ea25 1342 1342/1342 1342 ± 0.00004795 5.199 4.859/6.032 5.483 ± 0.7819
ea26 1342 1342/1342 1342 ± 0 5.483 5.267/6.763 5.94 ± 0.8068
ea27 1342 1342/1342 1342 ± 0.0000479 5.272 5.092/6.361 5.611 ± 0.7561
ea28 1342 1342/1342 1342 ± 0.00004539 5.319 5.21/6.329 5.681 ± 0.802
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 5.078 4.803/5.224 5.017 ± 0.2867
3 1342 1342/1342 1342 ± 0.00002845 4.607 4.465/4.735 4.606 ± 0.3411
6 1342 1342/1342 1342 ± 0.00002349 5.18 4.919/5.272 5.089 ± 0.2861
7 1342 1342/1342 1342 ± 0.00002349 5.174 5.009/5.314 5.139 ± 0.2777
8 1342 1342/1342 1342 ± 0.00002349 5.133 5.01/5.262 5.077 ± 0.3023
9 1342 1342/1342 1342 ± 0.00002393 5.175 4.912/5.342 5.085 ± 0.3371
10 1342 1342/1342 1342 ± 0.00002349 5.959 5.814/6.103 5.897 ± 0.3285
11 1342 1342/1342 1342 ± 0.00002349 6.188 6.061/6.347 6.154 ± 0.3377
12 1342 1342/1342 1342 ± 0.00002349 6.387 6.254/6.584 6.353 ± 0.3725
13 1342 1342/1342 1342 ± 0.00002349 6.807 6.668/7.041 6.784 ± 0.4034
14 1342 1342/1342 1342 ± 0.00002349 7.115 6.854/7.327 7.02 ± 0.4539
15 1342 1342/1342 1342 ± 0.00004353 5.998 5.723/6.522 6.073 ± 0.583
16 1342 1342/1342 1342 ± 0.0000604 4.61 4.473/4.751 4.617 ± 0.2326
17 1342 1342/1342 1342 ± 0.00006103 4.966 4.797/5.18 4.986 ± 0.3288
vis
VLASS2.1.sb38500385.eb38635359.59099.351010810184_split_split.ms
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-01-29 06:12:42.233
End
2025-01-29 06:40:24.461
Duration
0:27:42.228
Note, WebLog generation is not included in the time.

CASA logs for stage 8