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

Statwt Summary Plot

VLASS3.2.sb45458712.eb46169388.60476.06293818287_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 5.447 5.255/6.445 5.788 ± 0.6929
ea02 1342 1342/1342 1342 ± 0.00004283 5.773 5.319/6.431 5.824 ± 0.6494
ea03 1342 1342/1342 1342 ± 0 5.217 4.946/6.297 5.667 ± 0.7947
ea04 1342 1342/1342 1342 ± 0.00004285 5.366 4.947/6.201 5.552 ± 0.6687
ea05 1342 1342/1342 1342 ± 0.000047 5.554 5.079/6.484 5.739 ± 0.7617
ea06 1342 1342/1342 1342 ± 0 5.108 4.692/5.792 5.304 ± 0.6765
ea07 1342 1342/1342 1342 ± 0.00004149 5.516 5.018/6.266 5.606 ± 0.6862
ea08 1342 1342/1342 1342 ± 0.00004342 6.011 5.443/6.663 5.972 ± 0.7324
ea09 1342 1342/1342 1342 ± 0.000041 4.862 4.674/5.616 5.168 ± 0.5937
ea10 1342 1342/1342 1342 ± 0.0000449 4.736 4.537/5.418 4.888 ± 0.4491
ea11 1342 1342/1342 1342 ± 0.00004286 5.871 4.825/6.655 5.744 ± 0.877
ea12 1342 1342/1342 1342 ± 0.00003941 5.331 4.81/6.189 5.458 ± 0.6783
ea14 1342 1342/1342 1342 ± 0.00004247 5.716 5.2/6.503 5.79 ± 0.7446
ea15 1342 1342/1342 1342 ± 0.00004311 5.505 4.947/6.303 5.651 ± 0.8316
ea16 1342 1342/1342 1342 ± 0.00000199 5.551 5.226/6.254 5.739 ± 0.6914
ea17 1342 1342/1342 1342 ± 0.00004199 5.935 5.245/6.689 6.048 ± 0.791
ea18 1342 1342/1342 1342 ± 0.00004272 5.766 5.35/6.576 5.922 ± 0.7312
ea19 1342 1342/1342 1342 ± 0.00002057 5.402 5.108/6.433 5.642 ± 0.75
ea20 1342 1342/1342 1342 ± 0.00000846 5.504 5.172/6.203 5.76 ± 0.6752
ea21 1342 1342/1342 1342 ± 0.000001149 5.008 4.765/5.748 5.25 ± 0.5644
ea22 1342 1342/1342 1342 ± 0.00004239 5.636 5.171/6.374 5.758 ± 0.6691
ea23 1342 1342/1342 1342 ± 0.00004233 5.932 5.094/6.496 5.854 ± 0.7654
ea24 1342 1342/1342 1342 ± 0 5.244 4.74/5.962 5.364 ± 0.609
ea25 1342 1342/1342 1342 ± 0.000001657 5.83 5.328/6.63 6.071 ± 0.8795
ea27 1342 1342/1342 1342 ± 0 5.225 4.789/6.174 5.408 ± 0.7788
ea28 1342 1342/1342 1342 ± 0.00000203 5.396 5.125/6.285 5.732 ± 0.7124
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 ± 0.00002359 5.079 4.78/5.292 5.045 ± 0.2852
5 1342 1342/1342 1342 ± 0.0000275 5.024 4.851/5.305 5.076 ± 0.3054
6 1342 1342/1342 1342 ± 0.00002348 4.91 4.779/5.212 4.981 ± 0.3053
7 1342 1342/1342 1342 ± 0.00002348 5.213 5.019/5.424 5.173 ± 0.2882
8 1342 1342/1342 1342 ± 0.00002348 5.178 4.939/5.444 5.173 ± 0.3423
9 1342 1342/1342 1342 ± 0.00002348 5.5 5.271/5.825 5.489 ± 0.3519
10 1342 1342/1342 1342 ± 0.00002348 5.9 5.744/6.267 5.961 ± 0.3337
11 1342 1342/1342 1342 ± 0.00002348 6.257 6.062/6.489 6.236 ± 0.3289
12 1342 1342/1342 1342 ± 0.00002348 6.442 6.193/6.618 6.39 ± 0.3633
13 1342 1342/1342 1342 ± 0.00002392 6.922 6.721/7.097 6.871 ± 0.3399
14 1342 1342/1342 1342 ± 0.00002392 6.567 6.268/6.923 6.641 ± 0.4217
15 1342 1342/1342 1342 ± 0.00002355 6.263 6.066/6.467 6.202 ± 0.3896
16 1342 1342/1342 1342 ± 0.00005938 4.776 4.612/5.039 4.832 ± 0.3408
17 1342 1342/1342 1342 ± 0.0000601 4.865 4.704/5.084 4.895 ± 0.3093
output_dir
 
datacolumn
residual_data
vis
VLASS3.2.sb45458712.eb46169388.60476.06293818287_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-07-26 20:18:58.156
End
2025-07-26 21:28:11.026
Duration
1:09:12.870
Note, WebLog generation is not included in the time.

CASA logs for stage 8