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

Statwt Summary Plot

VLASS2.1.sb38483282.eb38504007.59045.97679461805_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 5.455 5.332/5.929 5.657 ± 0.5267
ea02 1342 1342/1342 1342 ± 0.00001127 5.745 5.47/6.374 5.949 ± 0.6183
ea04 1342 1342/1342 1342 ± 0 5.395 5.086/5.813 5.481 ± 0.4358
ea05 1342 1342/1342 1342 ± 0 5.723 5.463/6.271 5.87 ± 0.5614
ea06 1342 1342/1342 1342 ± 0 5.361 5.023/5.747 5.414 ± 0.4208
ea07 1342 1342/1342 1342 ± 0 5.181 5.123/5.535 5.279 ± 0.2368
ea08 1342 1342/1342 1342 ± 0.00002837 5.821 5.595/6.556 6.078 ± 0.6506
ea09 1342 1342/1342 1342 ± 0 5.212 4.953/5.751 5.345 ± 0.4336
ea10 1342 1342/1342 1342 ± 0.0000312 5.138 4.957/5.896 5.359 ± 0.5322
ea11 1342 1342/1342 1342 ± 0 5.712 5.349/6.29 5.833 ± 0.5708
ea13 1342 1342/1342 1342 ± 0 6.09 5.86/6.287 6.176 ± 0.4459
ea14 1342 1342/1342 1342 ± 0 5.693 5.4/6.4 5.9 ± 0.6084
ea15 1342 1342/1342 1342 ± 0 5.809 5.413/6.355 5.956 ± 0.6226
ea16 1342 1342/1342 1342 ± 0 5.962 5.608/6.399 6.123 ± 0.6363
ea17 1342 1342/1342 1342 ± 0.000004705 5.712 5.557/5.87 5.692 ± 0.2156
ea18 1342 1342/1342 1342 ± 0.000002481 5.068 4.8/5.506 5.185 ± 0.5037
ea19 1342 1342/1342 1342 ± 0 5.718 5.606/5.927 5.772 ± 0.1837
ea20 1342 1342/1342 1342 ± 0 5.902 5.623/6.466 6.034 ± 0.5341
ea21 1342 1342/1342 1342 ± 0 5.637 5.441/6.212 5.841 ± 0.5038
ea22 1342 1342/1342 1342 ± 0 5.458 5.301/6.265 5.761 ± 0.6154
ea23 1342 1342/1342 1342 ± 0.000009454 5.729 5.564/6.387 6.024 ± 0.6292
ea24 1342 1342/1342 1342 ± 0 5.644 5.1/6.208 5.661 ± 0.5878
ea25 1342 1342/1342 1342 ± 0.000001922 5.564 5.332/6.166 5.748 ± 0.5655
ea26 1342 1342/1342 1342 ± 0 6.091 5.808/6.738 6.27 ± 0.6464
ea27 1342 1342/1342 1342 ± 0.000003843 5.516 5.211/5.55 5.408 ± 0.2061
ea28 1342 1342/1342 1342 ± 0.00003998 5.66 5.465/6.398 5.895 ± 0.6223
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 ± 0.00002373 5.534 5.354/5.675 5.489 ± 0.2727
3 1342 1342/1342 1342 ± 0.00002404 5.108 4.955/5.343 5.175 ± 0.3417
4 1342 1342/1342 1342 ± 0.00002406 5.477 5.224/5.659 5.468 ± 0.3542
5 1342 1342/1342 1342 ± 0.00002373 5.422 5.217/5.594 5.4 ± 0.2988
6 1342 1342/1342 1342 ± 0.00002373 5.409 5.137/5.54 5.344 ± 0.2722
7 1342 1342/1342 1342 ± 0.00002373 5.425 5.102/5.553 5.379 ± 0.2688
8 1342 1342/1342 1342 ± 0.00002373 5.42 5.064/5.54 5.324 ± 0.2984
9 1342 1342/1342 1342 ± 0.00002376 5.646 5.417/5.85 5.593 ± 0.3238
10 1342 1342/1342 1342 ± 0.00002575 6.04 5.817/6.134 5.956 ± 0.3269
11 1342 1342/1342 1342 ± 0.00002575 6.276 5.874/6.369 6.171 ± 0.3103
12 1342 1342/1342 1342 ± 0.00002575 6.347 6.13/6.511 6.301 ± 0.3192
13 1342 1342/1342 1342 ± 0.00002575 6.814 6.288/6.97 6.701 ± 0.3773
14 1342 1342/1342 1342 ± 0.00002575 6.953 6.615/7.18 6.89 ± 0.4079
15 1342 1342/1342 1342 ± 0.00002575 6.592 6.317/6.91 6.544 ± 0.4319
16 1342 1342/1342 1342 ± 0.00004275 5.62 5.422/5.971 5.68 ± 0.3423
17 1342 1342/1342 1342 ± 0.00003986 5.672 5.497/5.961 5.71 ± 0.3161
output_dir
 
vis
VLASS2.1.sb38483282.eb38504007.59045.97679461805_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2024-04-19 13:00:44.868
End
2024-04-19 14:07:06.372
Duration
1:06:21.504
Note, WebLog generation is not included in the time.

CASA logs for stage 7