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

Statwt Summary Plot

VLASS2.1.sb38625952.eb38714976.59133.44101303241_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 5.795 5.426/6.368 5.932 ± 0.54
ea02 1342 1342/1342 1342 ± 0.00004803 6.095 5.784/6.8 6.269 ± 0.6444
ea03 1342 1342/1342 1342 ± 0 5.598 4.98/6.103 5.582 ± 0.6056
ea04 1342 1342/1342 1342 ± 0 5.619 5.387/6.105 5.794 ± 0.5063
ea05 1342 1342/1342 1342 ± 0 5.914 5.671/6.634 6.081 ± 0.5688
ea06 1342 1342/1342 1342 ± 0 5.076 4.885/5.595 5.224 ± 0.4208
ea07 1342 1342/1342 1342 ± 0.000001244 5.992 5.625/6.379 6.122 ± 0.64
ea08 1342 1342/1342 1342 ± 0.00003241 6.092 5.701/6.886 6.333 ± 0.6525
ea09 1342 1342/1342 1342 ± 0.00001094 5.905 5.413/6.643 6.041 ± 0.6069
ea10 1342 1342/1342 1342 ± 0.00001424 5.918 5.53/6.875 6.139 ± 0.6987
ea11 1342 1342/1342 1342 ± 0 5.872 5.39/6.62 6.057 ± 0.701
ea12 1342 1342/1342 1342 ± 0 5.826 5.556/6.501 6.103 ± 0.6202
ea13 1342 1342/1342 1342 ± 0 6.405 5.915/6.539 6.352 ± 0.5094
ea15 1342 1342/1342 1342 ± 0 6.14 5.7/6.687 6.272 ± 0.6216
ea16 1342 1342/1342 1342 ± 0.000009525 6.224 5.904/6.926 6.426 ± 0.7224
ea17 1342 1342/1342 1342 ± 0 6.24 5.859/7.121 6.508 ± 0.7111
ea18 1342 1342/1342 1342 ± 0 4.895 4.797/5.585 5.168 ± 0.4504
ea19 1342 1342/1342 1342 ± 0 5.959 5.751/6.751 6.218 ± 0.5838
ea20 1342 1342/1342 1342 ± 0 5.824 5.67/6.613 6.124 ± 0.5892
ea21 1342 1342/1342 1342 ± 0 5.884 5.642/6.597 6.135 ± 0.5911
ea22 1342 1342/1342 1342 ± 0.0000284 5.773 5.418/6.212 5.806 ± 0.554
ea23 1342 1342/1342 1342 ± 0.000002487 5.897 5.601/6.685 6.177 ± 0.7338
ea24 1342 1342/1342 1342 ± 0.00004182 5.874 5.646/6.73 6.158 ± 0.6032
ea25 1342 1342/1342 1342 ± 0 5.724 5.388/6.344 5.892 ± 0.6185
ea26 1342 1342/1342 1342 ± 0 6.508 6.028/7.221 6.576 ± 0.6552
ea27 1342 1342/1342 1342 ± 0.00001354 5.661 5.375/6.493 5.918 ± 0.6153
ea28 1342 1342/1342 1342 ± 0.00001626 5.553 5.396/6.41 5.896 ± 0.5913
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 ± 0.00002308 5.526 5.334/5.73 5.482 ± 0.2953
5 1342 1342/1342 1342 ± 0.00002354 5.745 5.437/5.9 5.671 ± 0.3455
6 1342 1342/1342 1342 ± 0.00002308 5.567 5.372/5.747 5.517 ± 0.3205
7 1342 1342/1342 1342 ± 0.00002308 5.584 5.42/5.698 5.542 ± 0.299
8 1342 1342/1342 1342 ± 0.00002308 5.527 5.32/5.65 5.469 ± 0.3317
9 1342 1342/1342 1342 ± 0.00002308 5.757 5.427/6.006 5.716 ± 0.3663
10 1342 1342/1342 1342 ± 0.00002308 6.236 6.002/6.412 6.172 ± 0.3555
11 1342 1342/1342 1342 ± 0.00002308 6.489 6.293/6.626 6.41 ± 0.3528
12 1342 1342/1342 1342 ± 0.00002308 6.599 6.384/6.78 6.556 ± 0.3928
13 1342 1342/1342 1342 ± 0.00002308 7.066 6.866/7.18 6.999 ± 0.4128
14 1342 1342/1342 1342 ± 0.00002308 7.216 6.932/7.464 7.162 ± 0.4539
15 1342 1342/1342 1342 ± 0.00002308 6.714 6.446/7.021 6.667 ± 0.4645
16 1342 1342/1342 1342 ± 0.00004329 5.613 5.313/5.833 5.575 ± 0.4082
17 1342 1342/1342 1342 ± 0.00003763 5.716 5.457/6.027 5.722 ± 0.4213
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS2.1.sb38625952.eb38714976.59133.44101303241_split_split.ms
output_dir
 
Start time
2025-01-11 10:19:35.607
End
2025-01-11 11:24:04.604
Duration
1:04:28.997
Note, WebLog generation is not included in the time.

CASA logs for stage 8