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

Statwt Summary Plot

VLASS2.1.sb38663900.eb38831428.59145.025327407406_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 5.323 5.177/5.907 5.423 ± 0.6844
ea02 1342 1342/1342 1342 ± 0.00004272 5.908 5.237/6.352 5.695 ± 0.8751
ea03 1342 1342/1342 1342 ± 0.000005984 5.016 4.682/5.914 5.184 ± 0.7102
ea04 1342 1342/1342 1342 ± 0.000001249 5.346 5.077/6.13 5.458 ± 0.7391
ea05 1342 1342/1342 1342 ± 0.00001567 5.337 5.018/6.149 5.476 ± 0.7271
ea06 1342 1342/1342 1342 ± 0 4.34 4.104/4.834 4.38 ± 0.4672
ea07 1342 1342/1342 1342 ± 0.00004367 5.635 5.093/6.013 5.487 ± 0.7917
ea08 1342 1342/1342 1342 ± 0.0000431 5.876 5.416/6.639 5.852 ± 0.9205
ea09 1342 1342/1342 1342 ± 0.00001876 5.317 4.989/6.199 5.454 ± 0.8263
ea10 1342 1342/1342 1342 ± 0.00004458 5.591 5.155/6.551 5.637 ± 0.859
ea11 1342 1342/1342 1342 ± 0 5.527 4.988/6.325 5.611 ± 0.8781
ea12 1342 1342/1342 1342 ± 0.00002204 5.552 5.282/6.542 5.706 ± 0.9361
ea13 1342 1342/1342 1342 ± 0.00002539 5.836 5.391/6.273 5.819 ± 0.7427
ea14 1342 1342/1342 1342 ± 0.00001279 5.522 5.086/6.273 5.528 ± 0.7679
ea15 1342 1342/1342 1342 ± 0 3.776 3.535/4.614 3.99 ± 0.7028
ea16 1342 1342/1342 1342 ± 0.00002752 5.719 5.412/6.521 5.736 ± 0.855
ea17 1342 1342/1342 1342 ± 0 5.956 5.534/7.164 6.11 ± 0.9394
ea18 1342 1342/1342 1342 ± 0.00004176 4.7 4.385/5.468 4.808 ± 0.6208
ea19 1342 1342/1342 1342 ± 0.000001249 5.331 5.108/6.194 5.49 ± 0.708
ea20 1342 1342/1342 1342 ± 0 5.858 5.788/6.991 6.084 ± 0.919
ea21 1342 1342/1342 1342 ± 0.00002325 5.38 4.957/6.157 5.427 ± 0.766
ea23 1342 1342/1342 1342 ± 0.00003296 5.373 5.14/5.489 5.2 ± 0.5658
ea24 1342 1342/1342 1342 ± 0.0000427 5.541 5.183/6.414 5.603 ± 0.7986
ea25 1342 1342/1342 1342 ± 0.00004312 5.418 5.113/6.088 5.436 ± 0.7929
ea26 1342 1342/1342 1342 ± 0.00002897 5.807 5.362/6.821 5.87 ± 0.8946
ea27 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea28 1342 1342/1342 1342 ± 0.0000448 5.292 5.083/6.075 5.393 ± 0.7476
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 ± 0.00002354 5.289 4.999/5.422 5.175 ± 0.4215
5 1342 1342/1342 1342 ± 0.00002354 5.307 5.052/5.462 5.212 ± 0.5051
6 1342 1342/1342 1342 ± 0.00002354 5.099 4.954/5.364 5.084 ± 0.4647
7 1342 1342/1342 1342 ± 0.00002354 5.182 5.051/5.379 5.146 ± 0.4597
8 1342 1342/1342 1342 ± 0.00002354 5.213 5.107/5.381 5.151 ± 0.4662
9 1342 1342/1342 1342 ± 0.00002354 5.547 5.269/5.76 5.428 ± 0.4959
10 1342 1342/1342 1342 ± 0.00002354 5.936 5.658/6.122 5.766 ± 0.5575
11 1342 1342/1342 1342 ± 0.00002354 6.149 5.944/6.329 6.046 ± 0.517
12 1342 1342/1342 1342 ± 0.00002354 6.271 6.085/6.562 6.22 ± 0.5456
13 1342 1342/1342 1342 ± 0.00002359 6.533 6.287/6.718 6.443 ± 0.5394
14 1342 1342/1342 1342 ± 0.00003016 6.219 5.938/6.672 6.261 ± 0.6234
15 1342 1342/1342 1342 ± 0.00002356 6.488 6.191/6.939 6.418 ± 0.6578
16 1342 1342/1342 1342 ± 0.00006102 4.052 3.901/4.2 4.009 ± 0.32
17 1342 1342/1342 1342 ± 0.00006006 4.114 3.993/4.237 4.082 ± 0.2947
overwrite_modelcol
False
statwtmode
VLASS-SE
datacolumn
residual_data
vis
VLASS2.1.sb38663900.eb38831428.59145.025327407406_split_split.ms
output_dir
 
Start time
2025-01-11 10:36:41.291
End
2025-01-11 11:37:07.120
Duration
1:00:25.829
Note, WebLog generation is not included in the time.

CASA logs for stage 8