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 5.192 5.036/6.018 5.462 ± 0.6909
ea02 1342 1342/1342 1342 ± 0.00004356 5.79 5.183/6.563 5.862 ± 0.8103
ea04 1342 1342/1342 1342 ± 0.00002387 5.278 4.912/5.832 5.363 ± 0.6562
ea05 1342 1342/1342 1342 ± 0.00001078 5.416 5.011/6.429 5.685 ± 0.7504
ea06 1342 1342/1342 1342 ± 0.00001837 4.783 4.519/5.4 4.909 ± 0.5784
ea07 1342 1342/1342 1342 ± 0.0000423 5.73 5.228/6.191 5.723 ± 0.8298
ea08 1342 1342/1342 1342 ± 0.00004361 5.849 5.373/6.709 5.998 ± 0.9159
ea09 1342 1342/1342 1342 ± 0.00001795 5.468 5.067/6.254 5.665 ± 0.7095
ea10 1342 1342/1342 1342 ± 0.0000436 5.673 5.074/6.567 5.713 ± 0.8936
ea11 1342 1342/1342 1342 ± 0.00004295 5.547 4.985/6.249 5.575 ± 0.8323
ea12 1342 1342/1342 1342 ± 0.0000248 5.498 5.219/6.188 5.666 ± 0.7967
ea13 1342 1342/1342 1342 ± 0.00000937 5.658 5.484/6.255 5.902 ± 0.615
ea14 1342 1342/1342 1342 ± 0.00004177 5.487 5.061/6.322 5.636 ± 0.835
ea15 1342 1342/1342 1342 ± 0.000004121 5.251 4.977/6.108 5.488 ± 0.7958
ea16 1342 1342/1342 1342 ± 0.0000205 5.81 5.338/6.757 5.958 ± 0.9841
ea17 1342 1342/1342 1342 ± 0.00004384 5.758 5.162/6.536 5.843 ± 0.8985
ea18 1342 1342/1342 1342 ± 0.00004362 4.772 4.565/5.366 4.947 ± 0.5944
ea19 1342 1342/1342 1342 ± 0.00002592 5.711 5.435/6.767 6.012 ± 0.8452
ea20 1342 1342/1342 1342 ± 0.00004095 5.793 5.612/6.655 5.968 ± 0.8852
ea21 1342 1342/1342 1342 ± 0.00003136 5.471 5.126/6.249 5.617 ± 0.775
ea22 1342 1342/1342 1342 ± 0.00002351 5.255 4.928/6.279 5.588 ± 0.7116
ea23 1342 1342/1342 1342 ± 0.00004278 5.635 5.222/6.508 5.792 ± 0.9335
ea25 1342 1342/1342 1342 ± 0.0000437 5.391 5.004/6.011 5.481 ± 0.7727
ea26 1342 1342/1342 1342 ± 0.00001822 5.803 5.465/6.725 6.062 ± 0.7728
ea27 1342 1342/1342 1342 ± 0.00004316 5.378 5.001/6.306 5.552 ± 0.7828
ea28 1342 1342/1342 1342 ± 0.00004404 5.5 5.235/6.432 5.752 ± 0.8461
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 5.144 4.999/5.481 5.212 ± 0.2891
5 1342 1342/1342 1342 ± 0.00003458 5.306 5.123/5.565 5.321 ± 0.3434
6 1342 1342/1342 1342 ± 0.0000235 5.224 4.97/5.38 5.159 ± 0.2867
7 1342 1342/1342 1342 ± 0.0000235 5.214 5.057/5.38 5.201 ± 0.266
8 1342 1342/1342 1342 ± 0.0000235 5.212 5.003/5.318 5.156 ± 0.279
9 1342 1342/1342 1342 ± 0.0000235 5.478 5.256/5.732 5.458 ± 0.3076
10 1342 1342/1342 1342 ± 0.0000235 5.949 5.842/6.137 5.933 ± 0.3109
11 1342 1342/1342 1342 ± 0.0000235 6.243 6.078/6.374 6.194 ± 0.3329
12 1342 1342/1342 1342 ± 0.0000235 6.419 6.188/6.565 6.368 ± 0.3566
13 1342 1342/1342 1342 ± 0.0000235 6.756 6.624/7.026 6.771 ± 0.3752
14 1342 1342/1342 1342 ± 0.0000235 6.979 6.812/7.254 6.964 ± 0.4092
15 1342 1342/1342 1342 ± 0.00002357 6.393 6.057/6.679 6.337 ± 0.5085
16 1342 1342/1342 1342 ± 0.00005936 4.367 4.213/4.626 4.422 ± 0.2764
17 1342 1342/1342 1342 ± 0.00006039 4.494 4.358/4.725 4.569 ± 0.3129
vis
VLASS2.1.sb38500385.eb38635359.59099.351010810184_split_split.ms
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2024-11-02 13:44:43.096
End
2024-11-02 14:47:39.846
Duration
1:02:56.750
Note, WebLog generation is not included in the time.

CASA logs for stage 8