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

Statwt Summary Plot

VLASS2.1.sb38501480.eb38632936.59097.386918425924_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 5.495 5.265/6.293 5.628 ± 0.7872
ea02 1342 1342/1342 1342 ± 0.00004378 5.88 5.28/6.731 5.901 ± 0.9369
ea04 1342 1342/1342 1342 ± 0.00001868 5.55 4.974/6.133 5.458 ± 0.7982
ea05 1342 1342/1342 1342 ± 0.00002716 5.39 4.944/6.276 5.577 ± 0.8002
ea06 1342 1342/1342 1342 ± 0.00002804 4.855 4.561/5.296 4.844 ± 0.5593
ea07 1342 1342/1342 1342 ± 0.00004138 5.982 5.336/6.451 5.912 ± 0.9494
ea08 1342 1342/1342 1342 ± 0.00004219 6.015 5.506/6.893 6.12 ± 1.043
ea09 1342 1342/1342 1342 ± 0.00002785 5.72 5.059/6.557 5.686 ± 0.8717
ea10 1342 1342/1342 1342 ± 0.00003184 5.947 5.432/6.908 6.041 ± 0.8878
ea11 1342 1342/1342 1342 ± 0.00004177 5.712 5.15/6.614 5.787 ± 0.9744
ea12 1342 1342/1342 1342 ± 0.00003469 5.875 5.274/6.654 5.826 ± 0.9973
ea13 1342 1342/1342 1342 ± 0.00001753 5.866 5.546/6.368 5.921 ± 0.7828
ea14 1342 1342/1342 1342 ± 0.00004146 5.614 5.178/6.552 5.783 ± 0.8968
ea15 1342 1342/1342 1342 ± 0.00001516 5.317 4.992/6.263 5.554 ± 0.9047
ea16 1342 1342/1342 1342 ± 0.00003904 5.912 5.494/6.915 6.07 ± 1.008
ea17 1342 1342/1342 1342 ± 0.00004122 5.915 5.621/7.171 6.058 ± 1.02
ea18 1342 1342/1342 1342 ± 0.00004063 5.092 4.734/5.799 5.13 ± 0.7097
ea19 1342 1342/1342 1342 ± 0.00001286 5.885 5.431/6.713 5.995 ± 0.8846
ea20 1342 1342/1342 1342 ± 0.00003931 5.911 5.655/7.091 6.096 ± 1.021
ea21 1342 1342/1342 1342 ± 0.00003929 5.48 5.28/6.403 5.686 ± 0.8434
ea22 1342 1342/1342 1342 ± 0.0000376 5.27 5.055/6.443 5.608 ± 0.8587
ea23 1342 1342/1342 1342 ± 0.00004254 5.851 5.461/6.761 5.944 ± 1.029
ea25 1342 1342/1342 1342 ± 0.00004104 5.547 5.206/6.439 5.642 ± 0.8833
ea26 1342 1342/1342 1342 ± 0.00002977 5.823 5.522/6.945 6.038 ± 0.9378
ea27 1342 1342/1342 1342 ± 0.00004081 5.581 5.163/6.739 5.762 ± 0.9218
ea28 1342 1342/1342 1342 ± 0.0000419 5.838 5.31/6.683 5.863 ± 0.9673
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 ± 0.00002362 5.546 5.363/5.827 5.553 ± 0.2915
5 1342 1342/1342 1342 ± 0.00002687 5.351 5.182/5.604 5.359 ± 0.3364
6 1342 1342/1342 1342 ± 0.00002362 5.289 5.049/5.434 5.219 ± 0.277
7 1342 1342/1342 1342 ± 0.00002362 5.314 5.183/5.461 5.289 ± 0.2662
8 1342 1342/1342 1342 ± 0.00002362 5.285 5.154/5.486 5.272 ± 0.2971
9 1342 1342/1342 1342 ± 0.00002362 5.605 5.317/5.867 5.545 ± 0.351
10 1342 1342/1342 1342 ± 0.00002362 6.132 5.869/6.219 6.034 ± 0.3341
11 1342 1342/1342 1342 ± 0.00002362 6.401 6.216/6.562 6.337 ± 0.3523
12 1342 1342/1342 1342 ± 0.00002362 6.601 6.403/6.761 6.556 ± 0.3824
13 1342 1342/1342 1342 ± 0.00002362 6.994 6.849/7.209 6.97 ± 0.4109
14 1342 1342/1342 1342 ± 0.00002362 7.204 6.939/7.416 7.104 ± 0.4739
15 1342 1342/1342 1342 ± 0.00002428 6.843 6.547/7.071 6.749 ± 0.4788
16 1342 1342/1342 1342 ± 0.00005538 4.188 4.044/4.338 4.193 ± 0.2059
17 1342 1342/1342 1342 ± 0.00005573 4.252 4.116/4.416 4.27 ± 0.2432
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38501480.eb38632936.59097.386918425924_split_split.ms
overwrite_modelcol
False
Start time
2024-12-12 18:22:16.840
End
2024-12-12 19:15:50.199
Duration
0:53:33.359
Note, WebLog generation is not included in the time.

CASA logs for stage 8