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

Statwt Summary Plot

VLASS2.1.sb38499285.eb38509861.59047.50492306713_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 5.178 4.987/6.053 5.416 ± 0.7618
ea02 1342 1342/1342 1342 ± 0.00004832 5.61 5.1/6.385 5.646 ± 0.8363
ea04 1342 1342/1342 1342 ± 0.00003324 5.156 4.831/5.777 5.258 ± 0.6785
ea05 1342 1342/1342 1342 ± 0.00001391 5.446 5.051/6.368 5.676 ± 0.7999
ea06 1342 1342/1342 1342 ± 0.00004091 5.061 4.895/5.975 5.341 ± 0.7289
ea07 1342 1342/1342 1342 ± 0.00004003 5.575 5.151/6.037 5.546 ± 0.7708
ea08 1342 1342/1342 1342 ± 0.00004379 5.583 5.297/6.636 5.828 ± 0.9764
ea09 1342 1342/1342 1342 ± 0.00003049 5.325 4.934/6.17 5.435 ± 0.7669
ea10 1342 1342/1342 1342 ± 0.00004118 5.059 4.637/5.811 5.138 ± 0.7448
ea11 1342 1342/1342 1342 ± 0.00004317 5.571 5.164/6.358 5.648 ± 0.8448
ea12 1342 1342/1342 1342 ± 0.00004122 5.328 5.1/6.255 5.542 ± 0.8289
ea13 1342 1342/1342 1342 ± 0.00001803 5.494 5.379/6.085 5.691 ± 0.6766
ea14 1342 1342/1342 1342 ± 0.00003756 5.514 5.163/6.417 5.679 ± 0.8834
ea15 1342 1342/1342 1342 ± 0.00002399 5.339 5.116/6.21 5.56 ± 0.8174
ea16 1342 1342/1342 1342 ± 0.00002507 5.769 5.311/6.608 5.817 ± 0.9436
ea17 1342 1342/1342 1342 ± 0.00004234 5.675 5.212/6.772 5.817 ± 0.9337
ea18 1342 1342/1342 1342 ± 0.00004374 4.756 4.617/5.61 4.973 ± 0.6134
ea19 1342 1342/1342 1342 ± 0.00001624 5.652 5.445/6.55 5.859 ± 0.8508
ea20 1342 1342/1342 1342 ± 0.00004296 5.723 5.643/6.618 5.927 ± 0.8899
ea21 1342 1342/1342 1342 ± 0.00003104 5.45 5.128/6.201 5.524 ± 0.7994
ea22 1342 1342/1342 1342 ± 0.00003975 5.24 4.849/6.303 5.536 ± 0.7961
ea23 1342 1342/1342 1342 ± 0.00005127 6.308 5.956/6.675 5.883 ± 1.088
ea24 1342 1342/1342 1342 ± 0.00001972 4.957 4.661/5.925 5.241 ± 0.6965
ea25 1342 1342/1342 1342 ± 0.00004296 5.434 5.102/6.214 5.514 ± 0.8173
ea26 1342 1342/1342 1342 ± 0.00002967 5.589 5.388/6.695 5.857 ± 0.8427
ea27 1342 1342/1342 1342 ± 0.00004074 5.358 5.003/6.336 5.536 ± 0.8229
ea28 1342 1342/1342 1342 ± 0.00004368 5.519 5.321/6.509 5.802 ± 0.8958
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 ± 0.0000235 5.156 5.001/5.392 5.153 ± 0.3158
5 1342 1342/1342 1342 ± 0.0000292 5.313 4.999/5.499 5.271 ± 0.3821
6 1342 1342/1342 1342 ± 0.0000235 5.179 4.935/5.294 5.132 ± 0.2464
7 1342 1342/1342 1342 ± 0.0000235 5.171 5.004/5.36 5.17 ± 0.246
8 1342 1342/1342 1342 ± 0.0000235 5.179 4.969/5.313 5.141 ± 0.2815
9 1342 1342/1342 1342 ± 0.00002388 5.432 5.127/5.588 5.376 ± 0.2742
10 1342 1342/1342 1342 ± 0.00002309 5.926 5.763/6.036 5.882 ± 0.2773
11 1342 1342/1342 1342 ± 0.00002309 6.164 5.998/6.358 6.152 ± 0.2798
12 1342 1342/1342 1342 ± 0.00002309 6.307 6.074/6.498 6.305 ± 0.3049
13 1342 1342/1342 1342 ± 0.00002309 6.668 6.385/6.876 6.622 ± 0.356
14 1342 1342/1342 1342 ± 0.00002309 6.882 6.627/7.075 6.816 ± 0.3463
15 1342 1342/1342 1342 ± 0.00002401 6.364 6.087/6.616 6.342 ± 0.387
16 1342 1342/1342 1342 ± 0.00005321 4.265 4.139/4.376 4.254 ± 0.1729
17 1342 1342/1342 1342 ± 0.00005725 4.172 4.031/4.351 4.193 ± 0.216
vis
VLASS2.1.sb38499285.eb38509861.59047.50492306713_split_split.ms
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2024-11-07 18:50:48.756
End
2024-11-07 19:46:22.644
Duration
0:55:33.888
Note, WebLog generation is not included in the time.

CASA logs for stage 8