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

Statwt Summary Plot

VLASS2.1.sb38461639.eb38575724.59076.48643795139_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 5.135 5.025/5.944 5.285 ± 0.7581
ea02 1342 1342/1342 1342 ± 0.00004272 5.788 5.222/6.511 5.725 ± 0.9034
ea04 1342 1342/1342 1342 ± 0.00002281 5.322 4.838/5.898 5.131 ± 0.9021
ea05 1342 1342/1342 1342 ± 0.000005708 5.401 5.026/6.172 5.54 ± 0.7427
ea06 1342 1342/1342 1342 ± 0.0000313 5.014 4.746/5.584 4.962 ± 0.8159
ea07 1342 1342/1342 1342 ± 0.00004141 5.638 5.142/6.082 5.477 ± 0.8086
ea08 1342 1342/1342 1342 ± 0.00004163 5.968 5.411/6.784 5.97 ± 0.99
ea09 1342 1342/1342 1342 ± 0.00002862 5.593 5.045/6.232 5.534 ± 0.7603
ea10 1342 1342/1342 1342 ± 0.00004247 5.538 5.007/6.265 5.424 ± 0.866
ea11 1342 1342/1342 1342 ± 0.00004272 5.509 4.974/6.234 5.44 ± 0.9177
ea12 1342 1342/1342 1342 ± 0.00003715 5.65 5.102/6.385 5.482 ± 0.9923
ea13 1342 1342/1342 1342 ± 0.00002015 5.855 5.506/6.267 5.817 ± 0.7084
ea14 1342 1342/1342 1342 ± 0.00001315 5.595 5.125/6.488 5.647 ± 0.8571
ea15 1342 1342/1342 1342 ± 0.0000194 5.334 5.027/6.132 5.342 ± 1.029
ea16 1342 1342/1342 1342 ± 0.00001579 5.597 5.201/6.424 5.596 ± 0.8375
ea17 1342 1342/1342 1342 ± 0.00004463 5.842 5.326/6.698 5.773 ± 0.9948
ea18 1342 1342/1342 1342 ± 0.00004353 4.956 4.486/5.365 4.839 ± 0.7137
ea19 1342 1342/1342 1342 ± 0 5.58 5.35/6.404 5.777 ± 0.751
ea20 1342 1342/1342 1342 ± 0.00004232 5.795 5.518/6.604 5.789 ± 1.006
ea21 1342 1342/1342 1342 ± 0.00001151 5.418 5.191/6.103 5.484 ± 0.7584
ea22 1342 1342/1342 1342 ± 0.00003895 5.369 5.041/6.47 5.627 ± 0.8447
ea23 1342 1342/1342 1342 ± 0.00003509 5.686 5.164/6.45 5.613 ± 0.9455
ea25 1342 1342/1342 1342 ± 0.00004288 5.367 5.041/6.124 5.37 ± 0.8581
ea27 1342 1342/1342 1342 ± 0.00004268 5.361 4.949/6.277 5.408 ± 0.8571
ea28 1342 1342/1342 1342 ± 0.00004247 5.612 5.216/6.452 5.632 ± 0.9587
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 ± 0.00002412 5.348 5.184/5.628 5.392 ± 0.2624
5 1342 1342/1342 1342 ± 0.00002504 5.147 4.966/5.316 5.146 ± 0.3107
6 1342 1342/1342 1342 ± 0.00002412 5.161 5.039/5.3 5.154 ± 0.2552
7 1342 1342/1342 1342 ± 0.00002412 5.153 5.029/5.292 5.162 ± 0.212
8 1342 1342/1342 1342 ± 0.00002412 5.196 4.959/5.349 5.155 ± 0.244
9 1342 1342/1342 1342 ± 0.00002412 5.456 5.354/5.658 5.461 ± 0.2891
10 1342 1342/1342 1342 ± 0.00002412 5.913 5.805/6.006 5.869 ± 0.2931
11 1342 1342/1342 1342 ± 0.00002412 6.213 6.064/6.305 6.15 ± 0.303
12 1342 1342/1342 1342 ± 0.00002412 6.385 6.165/6.474 6.338 ± 0.307
13 1342 1342/1342 1342 ± 0.00002412 6.7 6.344/6.849 6.58 ± 0.3618
14 1342 1342/1342 1342 ± 0.00002603 6.518 6.088/6.762 6.434 ± 0.4554
15 1342 1342/1342 1342 ± 0.00002549 6.51 6.178/6.782 6.45 ± 0.4452
16 1342 1342/1342 1342 ± 0.00005792 3.731 3.52/4.016 3.765 ± 0.3937
17 1342 1342/1342 1342 ± 0.00005945 3.961 3.703/4.306 4.013 ± 0.4403
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
vis
VLASS2.1.sb38461639.eb38575724.59076.48643795139_split_split.ms
statwtmode
VLASS-SE
Start time
2025-01-08 02:18:50.416
End
2025-01-08 02:42:06.281
Duration
0:23:15.865
Note, WebLog generation is not included in the time.

CASA logs for stage 8