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

Statwt Summary Plot

VLASS2.1.sb38663900.eb38831428.59145.025327407406_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 5.371 5.216/6.05 5.482 ± 0.6743
ea02 1342 1342/1342 1342 ± 0.00004297 5.854 5.329/6.404 5.746 ± 0.8286
ea03 1342 1342/1342 1342 ± 0.000006367 4.941 4.579/5.779 5.087 ± 0.6852
ea04 1342 1342/1342 1342 ± 0.00001399 5.353 5.113/6.067 5.419 ± 0.7858
ea05 1342 1342/1342 1342 ± 0.00002177 5.404 5.096/6.367 5.613 ± 0.8006
ea06 1342 1342/1342 1342 ± 0.000001371 4.394 4.218/4.898 4.428 ± 0.5213
ea07 1342 1342/1342 1342 ± 0.00004263 5.639 5.332/6.157 5.658 ± 0.7705
ea08 1342 1342/1342 1342 ± 0.00004324 5.889 5.479/6.674 5.903 ± 0.9121
ea09 1342 1342/1342 1342 ± 0.0000105 5.469 5.061/6.202 5.496 ± 0.7388
ea10 1342 1342/1342 1342 ± 0.00004273 5.607 5.268/6.61 5.725 ± 0.8787
ea11 1342 1342/1342 1342 ± 0 5.586 4.962/6.302 5.575 ± 0.9093
ea12 1342 1342/1342 1342 ± 0.00003229 5.53 5.296/6.572 5.707 ± 0.9166
ea13 1342 1342/1342 1342 ± 0.00001659 5.894 5.515/6.256 5.781 ± 0.7445
ea14 1342 1342/1342 1342 ± 0.00002661 5.71 5.023/6.359 5.595 ± 0.8421
ea15 1342 1342/1342 1342 ± 0.000001371 3.734 3.576/4.606 3.963 ± 0.7508
ea16 1342 1342/1342 1342 ± 0.00002867 5.842 5.433/6.575 5.835 ± 0.9263
ea17 1342 1342/1342 1342 ± 0 6.046 5.596/7.135 6.146 ± 1.014
ea18 1342 1342/1342 1342 ± 0.00004192 4.737 4.483/5.429 4.822 ± 0.5739
ea19 1342 1342/1342 1342 ± 0.00001041 5.347 5.122/6.236 5.556 ± 0.7579
ea20 1342 1342/1342 1342 ± 0.000004743 5.901 5.805/6.999 6.062 ± 0.9678
ea21 1342 1342/1342 1342 ± 0.00002832 5.664 5.049/6.315 5.591 ± 0.8506
ea23 1342 1342/1342 1342 ± 0.00003887 5.445 5.352/5.663 5.311 ± 0.6001
ea24 1342 1342/1342 1342 ± 0.0000335 5.587 5.158/6.288 5.575 ± 0.7621
ea25 1342 1342/1342 1342 ± 0.00004292 5.467 5.168/6.141 5.482 ± 0.7714
ea26 1342 1342/1342 1342 ± 0.00002189 5.935 5.494/6.739 5.85 ± 0.8726
ea27 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea28 1342 1342/1342 1342 ± 0.00004385 5.299 5.145/6.077 5.434 ± 0.7331
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 ± 0.00002368 5.327 5.019/5.497 5.2 ± 0.448
5 1342 1342/1342 1342 ± 0.00002368 5.352 5.05/5.464 5.232 ± 0.5139
6 1342 1342/1342 1342 ± 0.00002368 5.303 5.003/5.492 5.152 ± 0.4808
7 1342 1342/1342 1342 ± 0.00002368 5.266 5.116/5.478 5.196 ± 0.4708
8 1342 1342/1342 1342 ± 0.00002368 5.281 5.113/5.426 5.192 ± 0.4833
9 1342 1342/1342 1342 ± 0.00002368 5.609 5.308/5.861 5.47 ± 0.5138
10 1342 1342/1342 1342 ± 0.00002368 5.933 5.681/6.146 5.788 ± 0.5776
11 1342 1342/1342 1342 ± 0.00002368 6.137 5.978/6.3 6.063 ± 0.5207
12 1342 1342/1342 1342 ± 0.00002368 6.315 6.149/6.58 6.251 ± 0.5658
13 1342 1342/1342 1342 ± 0.00002368 6.646 6.397/6.871 6.539 ± 0.5439
14 1342 1342/1342 1342 ± 0.00002623 6.517 6.01/6.803 6.415 ± 0.6261
15 1342 1342/1342 1342 ± 0.00002377 6.44 6.128/6.824 6.311 ± 0.6998
16 1342 1342/1342 1342 ± 0.00006102 4.037 3.913/4.144 3.964 ± 0.3423
17 1342 1342/1342 1342 ± 0.00006045 4.18 4.063/4.289 4.112 ± 0.3239
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS2.1.sb38663900.eb38831428.59145.025327407406_split_split.ms
output_dir
 
overwrite_modelcol
False
Start time
2025-01-11 06:45:26.007
End
2025-01-11 07:30:46.936
Duration
0:45:20.929
Note, WebLog generation is not included in the time.

CASA logs for stage 8