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

Statwt Summary Plot

VLASS2.1.sb38642060.eb38643748.59104.02058106482_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 5.676 5.449/6.137 5.849 ± 0.5649
ea02 1342 1342/1342 1342 ± 0.000003484 5.859 5.538/6.544 6.088 ± 0.6483
ea04 1342 1342/1342 1342 ± 0 5.615 5.269/6.187 5.775 ± 0.5445
ea05 1342 1342/1342 1342 ± 0 5.959 5.526/6.367 6.004 ± 0.576
ea06 1342 1342/1342 1342 ± 0 5.216 5.011/5.551 5.271 ± 0.3686
ea07 1342 1342/1342 1342 ± 0 6.137 5.647/6.336 6.137 ± 0.5588
ea08 1342 1342/1342 1342 ± 0.00001145 6.023 5.72/6.821 6.299 ± 0.6794
ea09 1342 1342/1342 1342 ± 0 5.682 5.36/6.376 5.884 ± 0.6167
ea10 1342 1342/1342 1342 ± 0 6.093 5.464/6.677 6.109 ± 0.6364
ea11 1342 1342/1342 1342 ± 0.000002399 6.275 5.507/6.727 6.207 ± 0.7215
ea12 1342 1342/1342 1342 ± 0 5.619 5.553/5.745 5.663 ± 0.1684
ea13 1342 1342/1342 1342 ± 0 6.139 5.965/6.478 6.29 ± 0.4775
ea14 1342 1342/1342 1342 ± 0 5.832 5.346/6.455 5.962 ± 0.652
ea15 1342 1342/1342 1342 ± 0 5.787 5.398/6.473 6.014 ± 0.6709
ea16 1342 1342/1342 1342 ± 0 6.172 5.788/6.81 6.364 ± 0.687
ea17 1342 1342/1342 1342 ± 0.000001643 6.082 5.755/6.637 6.257 ± 0.6102
ea18 1342 1342/1342 1342 ± 0 5.182 4.844/5.702 5.291 ± 0.5146
ea19 1342 1342/1342 1342 ± 0 6.182 5.717/6.842 6.349 ± 0.6517
ea20 1342 1342/1342 1342 ± 0 6.206 5.861/6.843 6.363 ± 0.6288
ea21 1342 1342/1342 1342 ± 0 5.872 5.539/6.423 6.026 ± 0.5468
ea22 1342 1342/1342 1342 ± 0 5.5 5.3/6.297 5.76 ± 0.6171
ea23 1342 1342/1342 1342 ± 0 6.086 5.574/6.52 6.181 ± 0.6731
ea25 1342 1342/1342 1342 ± 0 5.801 5.548/6.366 5.98 ± 0.5832
ea26 1342 1342/1342 1342 ± 0 6.103 5.821/6.844 6.351 ± 0.6737
ea27 1342 1342/1342 1342 ± 0.00002136 5.719 5.428/6.468 5.897 ± 0.5753
ea28 1342 1342/1342 1342 ± 0.00003231 5.82 5.62/6.651 6.098 ± 0.6799
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 ± 0.0000235 5.593 5.456/5.852 5.617 ± 0.2631
3 1342 1342/1342 1342 ± 0.00002356 5.491 5.186/5.7 5.45 ± 0.31
4 1342 1342/1342 1342 ± 0.0000235 5.5 5.321/5.612 5.436 ± 0.3028
5 1342 1342/1342 1342 ± 0.0000235 5.596 5.321/5.736 5.563 ± 0.3085
6 1342 1342/1342 1342 ± 0.00002394 5.531 5.344/5.692 5.489 ± 0.2904
7 1342 1342/1342 1342 ± 0.0000235 5.524 5.384/5.696 5.515 ± 0.2579
8 1342 1342/1342 1342 ± 0.0000235 5.539 5.319/5.64 5.47 ± 0.2867
9 1342 1342/1342 1342 ± 0.0000235 5.806 5.619/6.002 5.743 ± 0.3285
10 1342 1342/1342 1342 ± 0.00002374 6.255 6.032/6.362 6.177 ± 0.3193
11 1342 1342/1342 1342 ± 0.00002394 6.429 6.297/6.628 6.382 ± 0.3288
12 1342 1342/1342 1342 ± 0.00002442 6.603 6.403/6.76 6.544 ± 0.3655
13 1342 1342/1342 1342 ± 0.00002394 7.017 6.881/7.354 7 ± 0.384
14 1342 1342/1342 1342 ± 0.00002394 7.25 7.051/7.491 7.202 ± 0.4119
15 1342 1342/1342 1342 ± 0.00002394 6.882 6.681/7.064 6.823 ± 0.3969
16 1342 1342/1342 1342 ± 0.00003249 6.162 5.816/6.316 6.096 ± 0.3854
17 1342 1342/1342 1342 ± 0.00003286 6.132 5.637/6.347 6.067 ± 0.3932
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38642060.eb38643748.59104.02058106482_split_split.ms
statwtmode
VLASS-SE
output_dir
 
Start time
2024-04-06 01:45:50.748
End
2024-04-06 02:45:44.790
Duration
0:59:54.043
Note, WebLog generation is not included in the time.

CASA logs for stage 7