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

Statwt Summary Plot

VLASS2.1.sb38504727.eb38659863.59113.352947384265_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 6.25 5.684/6.757 6.142 ± 0.6162
ea02 1342 1342/1342 1342 ± 0.00003438 6.155 5.356/6.856 6.044 ± 0.7231
ea04 1342 1342/1342 1342 ± 0.00002561 5.764 5.368/6.198 5.823 ± 0.5703
ea05 1342 1342/1342 1342 ± 0.00001025 6.02 5.343/6.548 5.915 ± 0.7053
ea06 1342 1342/1342 1342 ± 0.0000286 5.735 5.037/5.855 5.492 ± 0.5165
ea07 1342 1342/1342 1342 ± 0.00003049 6.334 5.638/6.875 6.212 ± 0.6054
ea08 1342 1342/1342 1342 ± 0.00002733 6.696 5.601/7.033 6.322 ± 0.772
ea09 1342 1342/1342 1342 ± 0.00002249 5.974 5.473/6.701 6.039 ± 0.7064
ea10 1342 1342/1342 1342 ± 0.00002936 6.678 5.713/7.128 6.393 ± 0.7304
ea11 1342 1342/1342 1342 ± 0.00003111 6.705 5.667/7.052 6.413 ± 0.7962
ea12 1342 1342/1342 1342 ± 0.00002795 6.275 5.718/7.018 6.294 ± 0.7122
ea13 1342 1342/1342 1342 ± 0.00001038 6.309 5.628/6.823 6.18 ± 0.637
ea14 1342 1342/1342 1342 ± 0.00003025 5.941 5.222/6.683 5.891 ± 0.714
ea15 1342 1342/1342 1342 ± 0.00002292 5.691 5.567/6.642 6.116 ± 0.7369
ea16 1342 1342/1342 1342 ± 0.00002126 6.293 5.563/7.131 6.26 ± 0.9279
ea17 1342 1342/1342 1342 ± 0.00002985 6.511 6.076/7.426 6.607 ± 0.7846
ea18 1342 1342/1342 1342 ± 0.00003132 5.502 5.179/6.039 5.643 ± 0.4956
ea19 1342 1342/1342 1342 ± 0.000007117 6.051 5.749/6.791 6.271 ± 0.6777
ea20 1342 1342/1342 1342 ± 0.00002935 6.25 6/7.224 6.576 ± 0.7608
ea21 1342 1342/1342 1342 ± 0.00002422 6.22 5.564/6.524 6.015 ± 0.6516
ea22 1342 1342/1342 1342 ± 0.00003199 5.276 5.056/6.823 5.795 ± 0.8335
ea23 1342 1342/1342 1342 ± 0.00002108 6.153 5.506/6.856 6.103 ± 0.7028
ea25 1342 1342/1342 1342 ± 0.00002192 6.478 5.778/6.778 6.315 ± 0.6445
ea26 1342 1342/1342 1342 ± 0.00002111 6.399 5.929/6.918 6.359 ± 0.6641
ea27 1342 1342/1342 1342 ± 0.00002975 5.929 5.809/6.884 6.25 ± 0.6586
ea28 1342 1342/1342 1342 ± 0.00002819 6.173 5.811/6.864 6.368 ± 0.7025
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 ± 0.00002351 5.687 5.382/5.93 5.638 ± 0.362
5 1342 1342/1342 1342 ± 0.00004064 5.505 5.378/5.713 5.548 ± 0.2381
6 1342 1342/1342 1342 ± 0.00002396 5.601 5.347/5.816 5.581 ± 0.2533
7 1342 1342/1342 1342 ± 0.00002351 5.591 5.402/5.767 5.577 ± 0.2873
8 1342 1342/1342 1342 ± 0.00002351 5.539 5.35/5.655 5.523 ± 0.3137
9 1342 1342/1342 1342 ± 0.00002465 5.728 5.477/5.895 5.707 ± 0.2613
10 1342 1342/1342 1342 ± 0.00002351 6.274 6.052/6.42 6.262 ± 0.2995
11 1342 1342/1342 1342 ± 0.00002351 6.521 6.334/6.737 6.494 ± 0.3066
12 1342 1342/1342 1342 ± 0.00002396 6.681 6.469/6.888 6.64 ± 0.3449
13 1342 1342/1342 1342 ± 0.00002351 7.064 6.869/7.242 7.069 ± 0.3342
14 1342 1342/1342 1342 ± 0.00002351 7.292 7.053/7.445 7.221 ± 0.3607
15 1342 1342/1342 1342 ± 0.00002571 6.945 6.773/7.101 6.874 ± 0.4013
16 1342 1342/1342 1342 ± 0.00005602 4.948 4.842/5.061 4.952 ± 0.1597
17 1342 1342/1342 1342 ± 0.00005403 5.019 4.913/5.127 5.025 ± 0.1768
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS2.1.sb38504727.eb38659863.59113.352947384265_split_split.ms
overwrite_modelcol
False
output_dir
 
Start time
2025-01-07 00:47:42.275
End
2025-01-07 01:35:48.502
Duration
0:48:06.226
Note, WebLog generation is not included in the time.

CASA logs for stage 8