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 6.282 5.67/6.789 6.148 ± 0.6178
ea02 1342 1342/1342 1342 ± 0.00004294 6.156 5.339/6.87 6.05 ± 0.718
ea04 1342 1342/1342 1342 ± 0.00003347 5.668 5.339/6.169 5.81 ± 0.5675
ea05 1342 1342/1342 1342 ± 0.000008804 6.061 5.351/6.59 5.948 ± 0.7091
ea06 1342 1342/1342 1342 ± 0.00003542 5.687 5.011/5.862 5.456 ± 0.5388
ea07 1342 1342/1342 1342 ± 0.0000302 6.341 5.626/6.872 6.234 ± 0.6026
ea08 1342 1342/1342 1342 ± 0.00003065 6.718 5.613/7.155 6.34 ± 0.7774
ea09 1342 1342/1342 1342 ± 0.00001756 5.543 5.375/6.681 5.998 ± 0.7231
ea10 1342 1342/1342 1342 ± 0.00002965 6.699 5.698/7.11 6.409 ± 0.7237
ea11 1342 1342/1342 1342 ± 0.00002929 6.726 5.677/6.99 6.447 ± 0.7882
ea12 1342 1342/1342 1342 ± 0.00002248 6.286 5.724/6.993 6.314 ± 0.7066
ea13 1342 1342/1342 1342 ± 0.00000282 6.288 5.597/6.746 6.135 ± 0.6594
ea14 1342 1342/1342 1342 ± 0.00002675 5.95 5.212/6.66 5.889 ± 0.7203
ea15 1342 1342/1342 1342 ± 0.00003258 5.64 5.553/6.661 6.092 ± 0.7234
ea16 1342 1342/1342 1342 ± 0.00001282 5.898 5.523/6.973 6.245 ± 0.9247
ea17 1342 1342/1342 1342 ± 0.00003034 6.544 6.067/7.47 6.631 ± 0.7878
ea18 1342 1342/1342 1342 ± 0.00003041 5.524 5.171/6.056 5.657 ± 0.5136
ea19 1342 1342/1342 1342 ± 0.00001044 5.952 5.742/6.818 6.241 ± 0.7035
ea20 1342 1342/1342 1342 ± 0.00002834 6.24 6.062/7.281 6.598 ± 0.7572
ea21 1342 1342/1342 1342 ± 0.00002191 6.236 5.543/6.523 6.028 ± 0.659
ea22 1342 1342/1342 1342 ± 0.00002911 5.292 5.094/6.806 5.771 ± 0.8211
ea23 1342 1342/1342 1342 ± 0.00002228 6.15 5.506/6.837 6.118 ± 0.702
ea25 1342 1342/1342 1342 ± 0.00002209 6.509 5.788/6.789 6.337 ± 0.6386
ea26 1342 1342/1342 1342 ± 0.00001403 6.017 5.877/6.939 6.328 ± 0.693
ea27 1342 1342/1342 1342 ± 0.00003008 5.935 5.805/6.902 6.275 ± 0.6709
ea28 1342 1342/1342 1342 ± 0.0000305 6.097 5.78/6.895 6.367 ± 0.7054
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 ± 0.00002365 5.655 5.334/5.897 5.605 ± 0.3566
5 1342 1342/1342 1342 ± 0.00004185 5.568 5.414/5.762 5.607 ± 0.293
6 1342 1342/1342 1342 ± 0.0000241 5.575 5.339/5.81 5.574 ± 0.2544
7 1342 1342/1342 1342 ± 0.00002365 5.579 5.408/5.773 5.573 ± 0.2862
8 1342 1342/1342 1342 ± 0.00002365 5.535 5.333/5.667 5.524 ± 0.3159
9 1342 1342/1342 1342 ± 0.00002453 5.755 5.506/5.942 5.741 ± 0.2961
10 1342 1342/1342 1342 ± 0.00002365 6.298 6.081/6.461 6.284 ± 0.3051
11 1342 1342/1342 1342 ± 0.00002365 6.558 6.348/6.76 6.52 ± 0.3105
12 1342 1342/1342 1342 ± 0.0000241 6.702 6.494/6.922 6.669 ± 0.3561
13 1342 1342/1342 1342 ± 0.00002365 7.144 6.901/7.296 7.109 ± 0.3418
14 1342 1342/1342 1342 ± 0.00002365 7.332 7.103/7.485 7.275 ± 0.3615
15 1342 1342/1342 1342 ± 0.00002421 6.908 6.706/7.062 6.837 ± 0.3854
16 1342 1342/1342 1342 ± 0.00006052 5.04 4.94/5.139 5.038 ± 0.1711
17 1342 1342/1342 1342 ± 0.00006027 5.257 5.14/5.371 5.254 ± 0.1875
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38504727.eb38659863.59113.352947384265_split_split.ms
statwtmode
VLASS-SE
Start time
2025-01-06 23:45:44.363
End
2025-01-07 00:21:25.439
Duration
0:35:41.076
Note, WebLog generation is not included in the time.

CASA logs for stage 8