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

Statwt Summary Plot

VLASS2.1.sb38452360.eb38575738.59077.463367233795_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 5.732 5.104/5.999 5.52 ± 0.628
ea02 1342 1342/1342 1342 ± 0.00004059 5.881 5.253/6.484 5.844 ± 0.8512
ea04 1342 1342/1342 1342 ± 0.00003067 5.403 5.02/5.897 5.39 ± 0.6642
ea05 1342 1342/1342 1342 ± 0.00002216 5.388 5.01/6.31 5.573 ± 0.8656
ea06 1342 1342/1342 1342 ± 0.00003371 5.348 4.562/5.485 5.006 ± 0.6074
ea07 1342 1342/1342 1342 ± 0.000008703 5.98 5.264/6.358 5.874 ± 0.5482
ea08 1342 1342/1342 1342 ± 0.00003117 6.589 5.471/6.763 6.152 ± 0.8693
ea09 1342 1342/1342 1342 ± 0.00003229 5.557 5.085/6.287 5.594 ± 0.8612
ea10 1342 1342/1342 1342 ± 0.00002131 6.021 5.05/6.279 5.685 ± 0.6426
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00003453 5.361 5.115/6.329 5.572 ± 0.8289
ea13 1342 1342/1342 1342 ± 0.00002022 5.632 5.424/6.196 5.785 ± 0.8538
ea14 1342 1342/1342 1342 ± 0.00003061 5.698 5.304/6.494 5.883 ± 0.8582
ea15 1342 1342/1342 1342 ± 0.00003114 5.66 5.042/6.515 5.622 ± 0.8281
ea16 1342 1342/1342 1342 ± 0.00002552 5.737 5.324/6.463 5.802 ± 0.9059
ea17 1342 1342/1342 1342 ± 0.00003287 6.021 5.584/6.838 6.023 ± 0.8319
ea18 1342 1342/1342 1342 ± 0.00002836 5.115 4.693/5.601 5.075 ± 0.5174
ea19 1342 1342/1342 1342 ± 0.00001742 5.575 5.366/6.59 5.833 ± 0.9493
ea20 1342 1342/1342 1342 ± 0.00002968 6.249 5.62/6.805 6.069 ± 0.7643
ea21 1342 1342/1342 1342 ± 0.00002534 5.462 5.156/6.205 5.605 ± 0.7915
ea22 1342 1342/1342 1342 ± 0.00003689 5.399 5.069/6.381 5.588 ± 0.893
ea23 1342 1342/1342 1342 ± 0.00002421 6.034 5.335/6.743 5.968 ± 0.7935
ea25 1342 1342/1342 1342 ± 0.00003347 5.925 5.142/6.195 5.617 ± 0.6908
ea27 1342 1342/1342 1342 ± 0.00003213 5.359 5.07/6.276 5.533 ± 0.7055
ea28 1342 1342/1342 1342 ± 0.00003409 6.034 5.332/6.438 5.842 ± 0.7923
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 ± 0.00002454 5.226 5.051/5.441 5.211 ± 0.2839
5 1342 1342/1342 1342 ± 0.00004504 5.153 4.764/5.332 5.068 ± 0.2967
6 1342 1342/1342 1342 ± 0.00002454 5.195 5.071/5.365 5.167 ± 0.2812
7 1342 1342/1342 1342 ± 0.00002485 5.223 5.089/5.337 5.209 ± 0.212
8 1342 1342/1342 1342 ± 0.00002485 5.263 5.04/5.365 5.214 ± 0.2432
9 1342 1342/1342 1342 ± 0.00002454 5.493 5.34/5.736 5.48 ± 0.3312
10 1342 1342/1342 1342 ± 0.00002454 5.971 5.755/6.042 5.903 ± 0.3027
11 1342 1342/1342 1342 ± 0.00002454 6.178 6.082/6.33 6.159 ± 0.3106
12 1342 1342/1342 1342 ± 0.00002454 6.323 6.088/6.477 6.299 ± 0.3267
13 1342 1342/1342 1342 ± 0.00002472 6.594 6.298/6.722 6.481 ± 0.3685
14 1342 1342/1342 1342 ± 0.00002454 6.726 6.443/7.023 6.674 ± 0.4468
15 1342 1342/1342 1342 ± 0.00003373 6.613 6.4/6.854 6.559 ± 0.4319
16 1342 1342/1342 1342 ± 0.00005493 3.873 3.755/3.988 3.868 ± 0.1888
17 1342 1342/1342 1342 ± 0.00005199 3.943 3.807/4.08 3.947 ± 0.2867
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38452360.eb38575738.59077.463367233795_split_split.ms
statwtmode
VLASS-SE
output_dir
 
Start time
2024-11-02 13:34:29.212
End
2024-11-02 14:23:59.822
Duration
0:49:30.610
Note, WebLog generation is not included in the time.

CASA logs for stage 8