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

Statwt Summary Plot

VLASS2.1.sb38667356.eb38705720.59131.46099141204_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 5.599 5.511/6.374 5.943 ± 0.631
ea02 1342 1342/1342 1342 ± 0.00004152 6.153 5.683/6.847 6.283 ± 0.677
ea03 1342 1342/1342 1342 ± 0 5.787 5.022/6.237 5.685 ± 0.6363
ea04 1342 1342/1342 1342 ± 0 5.746 5.257/6.361 5.82 ± 0.6213
ea05 1342 1342/1342 1342 ± 0 6.161 5.619/6.725 6.073 ± 0.7145
ea06 1342 1342/1342 1342 ± 0 4.951 4.876/5.409 5.081 ± 0.4193
ea07 1342 1342/1342 1342 ± 0.00000111 6.17 5.739/6.573 6.262 ± 0.6628
ea08 1342 1342/1342 1342 ± 0.000001923 6.167 5.782/6.994 6.364 ± 0.7339
ea09 1342 1342/1342 1342 ± 0.000001111 6.009 5.469/6.726 6.075 ± 0.7244
ea10 1342 1342/1342 1342 ± 0.000001582 6.157 5.594/6.862 6.203 ± 0.7137
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 6.161 5.558/6.647 6.163 ± 0.7359
ea13 1342 1342/1342 1342 ± 0 6.631 6.029/6.735 6.414 ± 0.6691
ea14 1342 1342/1342 1342 ± 0 5.939 5.457/6.735 6.087 ± 0.7599
ea15 1342 1342/1342 1342 ± 0 6.238 5.697/6.733 6.296 ± 0.7336
ea16 1342 1342/1342 1342 ± 0 6.463 5.925/7.025 6.429 ± 0.7775
ea17 1342 1342/1342 1342 ± 0 6.578 6.117/7.354 6.709 ± 0.6733
ea18 1342 1342/1342 1342 ± 0 5.299 4.874/5.745 5.33 ± 0.5628
ea19 1342 1342/1342 1342 ± 0 6.24 5.619/6.816 6.212 ± 0.6414
ea20 1342 1342/1342 1342 ± 0 6.207 5.667/6.839 6.194 ± 0.7221
ea21 1342 1342/1342 1342 ± 0 5.968 5.663/6.663 6.1 ± 0.6503
ea22 1342 1342/1342 1342 ± 0 6.013 5.497/6.491 5.973 ± 0.6038
ea23 1342 1342/1342 1342 ± 0 6.111 5.7/6.838 6.268 ± 0.7352
ea24 1342 1342/1342 1342 ± 0.000001231 6.174 5.721/6.886 6.23 ± 0.7257
ea25 1342 1342/1342 1342 ± 0 5.894 5.501/6.52 5.99 ± 0.6406
ea26 1342 1342/1342 1342 ± 0 6.662 5.982/7.321 6.62 ± 0.7623
ea27 1342 1342/1342 1342 ± 0 5.802 5.644/6.662 6.04 ± 0.66
ea28 1342 1342/1342 1342 ± 0.00000111 5.748 5.481/6.53 5.958 ± 0.6667
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 ± 0.00002352 5.661 5.404/5.779 5.576 ± 0.3145
4 1342 1342/1342 1342 ± 0.00002562 4.865 4.667/4.986 4.822 ± 0.2311
5 1342 1342/1342 1342 ± 0.00002352 5.62 5.453/5.805 5.588 ± 0.3474
6 1342 1342/1342 1342 ± 0.00002352 5.569 5.436/5.783 5.548 ± 0.3286
7 1342 1342/1342 1342 ± 0.00002352 5.614 5.492/5.723 5.584 ± 0.3062
8 1342 1342/1342 1342 ± 0.00002352 5.526 5.384/5.711 5.507 ± 0.3411
9 1342 1342/1342 1342 ± 0.00002352 5.848 5.56/6.153 5.794 ± 0.3764
10 1342 1342/1342 1342 ± 0.00002373 6.307 6.149/6.549 6.284 ± 0.346
11 1342 1342/1342 1342 ± 0.00002373 6.62 6.362/6.703 6.514 ± 0.3428
12 1342 1342/1342 1342 ± 0.00002373 6.73 6.543/6.85 6.681 ± 0.3841
13 1342 1342/1342 1342 ± 0.00002373 7.184 7.039/7.286 7.127 ± 0.3942
14 1342 1342/1342 1342 ± 0.00002373 7.345 7.147/7.575 7.301 ± 0.4218
15 1342 1342/1342 1342 ± 0.00002373 6.852 6.659/7.146 6.858 ± 0.3975
16 1342 1342/1342 1342 ± 0.00002421 6.147 5.947/6.373 6.17 ± 0.359
17 1342 1342/1342 1342 ± 0.00002419 6.202 6.032/6.446 6.22 ± 0.3515
vis
VLASS2.1.sb38667356.eb38705720.59131.46099141204_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
Start time
2025-01-11 07:21:35.636
End
2025-01-11 08:41:03.927
Duration
1:19:28.292
Note, WebLog generation is not included in the time.

CASA logs for stage 8