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

Statwt Summary Plot

VLASS2.1.sb38482214.eb38565046.59071.1506340625_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 5.31 5.175/6.069 5.517 ± 0.7437
ea02 1342 1342/1342 1342 ± 0.00004533 6.069 5.223/6.58 5.907 ± 0.8015
ea05 1342 1342/1342 1342 ± 0.00002087 5.589 5.087/6.394 5.751 ± 0.7111
ea06 1342 1342/1342 1342 ± 0.00001789 5.133 4.822/5.61 5.177 ± 0.5602
ea07 1342 1342/1342 1342 ± 0.00004404 5.669 5.295/5.88 5.559 ± 0.8034
ea08 1342 1342/1342 1342 ± 0.00004404 6.021 5.529/6.813 6.15 ± 0.9147
ea09 1342 1342/1342 1342 ± 0.00002701 4.636 3.288/5.719 4.618 ± 1.171
ea10 1342 1342/1342 1342 ± 0.00004409 5.438 5.102/6.286 5.575 ± 0.8035
ea11 1342 1342/1342 1342 ± 0 5.913 5.223/6.421 5.968 ± 0.6759
ea12 1342 1342/1342 1342 ± 0.00001749 5.636 5.347/6.474 5.797 ± 0.8298
ea13 1342 1342/1342 1342 ± 0.00001449 5.974 5.525/6.274 5.943 ± 0.6312
ea14 1342 1342/1342 1342 ± 0.00004157 6.409 5.71/6.954 6.122 ± 0.9024
ea15 1342 1342/1342 1342 ± 0.000009216 5.359 5.181/6.216 5.671 ± 0.7552
ea16 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea17 1342 1342/1342 1342 ± 0.00004302 6.062 5.636/6.971 6.041 ± 0.9615
ea18 1342 1342/1342 1342 ± 0.00003319 4.787 4.608/5.647 5.051 ± 0.6525
ea19 1342 1342/1342 1342 ± 0.00001345 5.773 5.404/6.638 5.951 ± 0.7671
ea20 1342 1342/1342 1342 ± 0.00002518 5.939 5.734/6.954 6.111 ± 0.8992
ea21 1342 1342/1342 1342 ± 0.0000318 5.611 5.322/6.254 5.697 ± 0.7395
ea22 1342 1342/1342 1342 ± 0.00004158 5.462 5.122/6.447 5.748 ± 0.7389
ea23 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea25 1342 1342/1342 1342 ± 0 5.31 5.26/5.494 5.318 ± 0.1721
ea26 1342 1342/1342 1342 ± 0.00003137 5.47 5.344/6.393 5.776 ± 0.6798
ea27 1342 1342/1342 1342 ± 0.00004348 5.462 5.012/6.414 5.616 ± 0.8204
ea28 1342 1342/1342 1342 ± 0.00005264 6.456 6.003/6.876 6.107 ± 0.9402
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.
5 1342 1342/1342 1342 ± 0.00002719 5.487 5.199/5.746 5.407 ± 0.6179
6 1342 1342/1342 1342 ± 0.00002605 5.325 5.152/5.377 5.186 ± 0.5003
7 1342 1342/1342 1342 ± 0.00002605 5.23 5.102/5.407 5.172 ± 0.486
8 1342 1342/1342 1342 ± 0.00002605 5.196 5.009/5.336 5.122 ± 0.5079
9 1342 1342/1342 1342 ± 0.00002609 5.461 5.354/5.666 5.366 ± 0.566
10 1342 1342/1342 1342 ± 0.00002548 5.979 5.782/6.076 5.921 ± 0.344
11 1342 1342/1342 1342 ± 0.00002548 6.255 6.148/6.37 6.186 ± 0.3409
12 1342 1342/1342 1342 ± 0.00002548 6.414 6.176/6.479 6.341 ± 0.3549
13 1342 1342/1342 1342 ± 0.00002548 6.792 6.406/6.976 6.716 ± 0.3739
14 1342 1342/1342 1342 ± 0.00002548 6.95 6.773/7.17 6.897 ± 0.4072
15 1342 1342/1342 1342 ± 0.00002611 6.486 6.332/6.688 6.458 ± 0.4202
16 1342 1342/1342 1342 ± 0.00006018 4.511 4.277/4.711 4.491 ± 0.2702
17 1342 1342/1342 1342 ± 0.00006044 4.597 4.319/4.807 4.567 ± 0.3243
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38482214.eb38565046.59071.1506340625_split_split.ms
statwtmode
VLASS-SE
Start time
2024-04-22 02:25:51.666
End
2024-04-22 03:11:05.316
Duration
0:45:13.649
Note, WebLog generation is not included in the time.

CASA logs for stage 7