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

Statwt Summary Plot

VLASS2.1.sb38521729.eb38627577.59093.001901145835_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 5.457 5.248/6.039 5.663 ± 0.5212
ea02 1342 1342/1342 1342 ± 0.000008373 5.728 5.349/6.429 5.91 ± 0.6754
ea04 1342 1342/1342 1342 ± 0 5.533 5.176/6.149 5.717 ± 0.5674
ea05 1342 1342/1342 1342 ± 0 5.512 5.104/6.037 5.614 ± 0.5846
ea06 1342 1342/1342 1342 ± 0 4.905 4.689/5.332 5.004 ± 0.3794
ea07 1342 1342/1342 1342 ± 0 5.916 5.425/6.18 5.932 ± 0.5706
ea08 1342 1342/1342 1342 ± 0.000009559 5.68 5.434/6.568 6.01 ± 0.685
ea09 1342 1342/1342 1342 ± 0.000005003 5.547 5.157/6.221 5.698 ± 0.6278
ea10 1342 1342/1342 1342 ± 0 5.83 5.257/6.513 5.863 ± 0.6816
ea11 1342 1342/1342 1342 ± 0 5.778 5.099/6.285 5.762 ± 0.6667
ea12 1342 1342/1342 1342 ± 0 6.366 6.113/6.805 6.449 ± 0.4092
ea13 1342 1342/1342 1342 ± 0 5.765 5.641/6.314 6.022 ± 0.5188
ea14 1342 1342/1342 1342 ± 0 5.687 5.196/6.258 5.765 ± 0.6572
ea15 1342 1342/1342 1342 ± 0 5.665 5.184/6.3 5.802 ± 0.6935
ea16 1342 1342/1342 1342 ± 0 5.981 5.498/6.587 6.121 ± 0.7145
ea17 1342 1342/1342 1342 ± 0.0000231 5.903 5.544/6.431 6.056 ± 0.6253
ea18 1342 1342/1342 1342 ± 0 5.007 4.67/5.577 5.142 ± 0.5316
ea19 1342 1342/1342 1342 ± 0 5.73 5.318/6.341 5.902 ± 0.6057
ea20 1342 1342/1342 1342 ± 0 6.022 5.618/6.651 6.16 ± 0.6504
ea21 1342 1342/1342 1342 ± 0 5.534 5.185/6.071 5.65 ± 0.558
ea22 1342 1342/1342 1342 ± 0.000006429 5.426 5.194/6.323 5.73 ± 0.6592
ea23 1342 1342/1342 1342 ± 0 5.953 5.427/6.355 5.997 ± 0.664
ea25 1342 1342/1342 1342 ± 0 5.525 5.126/5.989 5.617 ± 0.5778
ea26 1342 1342/1342 1342 ± 0.000001545 5.833 5.589/6.645 6.092 ± 0.6692
ea27 1342 1342/1342 1342 ± 0.00002691 5.578 5.244/6.384 5.77 ± 0.6016
ea28 1342 1342/1342 1342 ± 0.00003123 5.578 5.332/6.384 5.838 ± 0.6623
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 ± 0.00002393 5.274 5.124/5.459 5.265 ± 0.2494
3 1342 1342/1342 1342 ± 0.00002393 5.168 5.009/5.402 5.179 ± 0.2531
4 1342 1342/1342 1342 ± 0.00002393 5.147 5.035/5.346 5.156 ± 0.2942
5 1342 1342/1342 1342 ± 0.00002393 5.304 5.086/5.432 5.264 ± 0.2786
6 1342 1342/1342 1342 ± 0.00002393 5.275 5.097/5.413 5.225 ± 0.2846
7 1342 1342/1342 1342 ± 0.00002393 5.297 5.19/5.45 5.291 ± 0.2549
8 1342 1342/1342 1342 ± 0.00002393 5.293 5.158/5.42 5.263 ± 0.2647
9 1342 1342/1342 1342 ± 0.00002393 5.531 5.405/5.816 5.545 ± 0.31
10 1342 1342/1342 1342 ± 0.00002349 6.003 5.841/6.145 5.97 ± 0.292
11 1342 1342/1342 1342 ± 0.00002349 6.27 6.055/6.357 6.185 ± 0.3083
12 1342 1342/1342 1342 ± 0.00002349 6.4 6.21/6.528 6.341 ± 0.3274
13 1342 1342/1342 1342 ± 0.00002349 6.825 6.672/6.967 6.779 ± 0.3491
14 1342 1342/1342 1342 ± 0.00002349 7.025 6.773/7.204 6.956 ± 0.3891
15 1342 1342/1342 1342 ± 0.00002349 6.677 6.376/6.799 6.571 ± 0.3904
16 1342 1342/1342 1342 ± 0.00003702 5.852 5.616/6.22 5.866 ± 0.3695
17 1342 1342/1342 1342 ± 0.00003347 5.92 5.606/6.159 5.883 ± 0.3423
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38521729.eb38627577.59093.001901145835_split_split.ms
statwtmode
VLASS-SE
output_dir
 
Start time
2024-05-01 08:56:50.072
End
2024-05-01 10:05:12.195
Duration
1:08:22.122
Note, WebLog generation is not included in the time.

CASA logs for stage 7