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

Statwt Summary Plot

VLASS2.1.sb38544671.eb38577571.59079.03639115741_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 5.613 5.117/5.81 5.528 ± 0.4821
ea02 1342 1342/1342 1342 ± 0.00003719 5.717 5.15/6.327 5.755 ± 0.6183
ea04 1342 1342/1342 1342 ± 0.000005922 5.377 4.96/6.011 5.438 ± 0.5766
ea05 1342 1342/1342 1342 ± 0 5.485 5.083/6.073 5.623 ± 0.5928
ea06 1342 1342/1342 1342 ± 0 5.039 4.589/5.335 4.992 ± 0.4337
ea07 1342 1342/1342 1342 ± 0 5.569 5.177/5.943 5.674 ± 0.575
ea08 1342 1342/1342 1342 ± 0 5.76 5.283/6.573 5.916 ± 0.6849
ea09 1342 1342/1342 1342 ± 0 5.477 4.918/6.045 5.516 ± 0.6813
ea10 1342 1342/1342 1342 ± 0 5.465 4.911/5.992 5.433 ± 0.6003
ea11 1342 1342/1342 1342 ± 0 5.6 5.084/6.116 5.542 ± 0.5915
ea12 1342 1342/1342 1342 ± 0 5.713 5.077/6.11 5.706 ± 0.6253
ea13 1342 1342/1342 1342 ± 0 5.807 5.453/6.169 5.869 ± 0.5581
ea14 1342 1342/1342 1342 ± 0 5.807 5.295/6.23 5.817 ± 0.6746
ea15 1342 1342/1342 1342 ± 0 5.341 4.801/5.944 5.443 ± 0.7118
ea16 1342 1342/1342 1342 ± 0 6.083 5.399/6.602 6.035 ± 0.677
ea17 1342 1342/1342 1342 ± 0 5.978 5.432/6.47 5.928 ± 0.5661
ea18 1342 1342/1342 1342 ± 0 4.787 4.625/5.55 5.049 ± 0.5233
ea19 1342 1342/1342 1342 ± 0 6.006 5.374/6.345 5.894 ± 0.5874
ea20 1342 1342/1342 1342 ± 0 5.788 5.383/6.357 5.915 ± 0.6786
ea21 1342 1342/1342 1342 ± 0 5.557 5.337/6.185 5.728 ± 0.5463
ea22 1342 1342/1342 1342 ± 0 5.571 4.955/6.204 5.606 ± 0.7072
ea23 1342 1342/1342 1342 ± 0 5.848 5.286/6.164 5.851 ± 0.6362
ea25 1342 1342/1342 1342 ± 0 5.445 4.995/5.906 5.518 ± 0.5824
ea26 1342 1342/1342 1342 ± 0 5.554 5.124/6.082 5.619 ± 0.6296
ea27 1342 1342/1342 1342 ± 0.00001771 5.368 4.93/6.036 5.466 ± 0.5815
ea28 1342 1342/1342 1342 ± 0 5.749 5.293/6.377 5.816 ± 0.6179
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 ± 0.00002639 5.149 4.831/5.299 5.096 ± 0.3008
3 1342 1342/1342 1342 ± 0.00002612 5.115 4.746/5.294 5.045 ± 0.2981
4 1342 1342/1342 1342 ± 0.0000278 4.961 4.722/5.079 4.924 ± 0.2902
5 1342 1342/1342 1342 ± 0.00002351 5.072 4.851/5.438 5.138 ± 0.3559
6 1342 1342/1342 1342 ± 0.00002351 5.055 4.864/5.173 5.019 ± 0.2474
7 1342 1342/1342 1342 ± 0.00002351 5.072 4.908/5.24 5.066 ± 0.221
8 1342 1342/1342 1342 ± 0.00002351 5.11 4.891/5.28 5.065 ± 0.2642
9 1342 1342/1342 1342 ± 0.00002351 5.43 5.208/5.586 5.376 ± 0.3079
10 1342 1342/1342 1342 ± 0.00002396 5.785 5.656/6.005 5.789 ± 0.3119
11 1342 1342/1342 1342 ± 0.00002351 6.006 5.912/6.148 5.972 ± 0.299
12 1342 1342/1342 1342 ± 0.00002351 6.182 5.955/6.341 6.143 ± 0.2893
13 1342 1342/1342 1342 ± 0.00002351 6.613 6.497/6.744 6.581 ± 0.3204
14 1342 1342/1342 1342 ± 0.00002396 6.773 6.601/6.983 6.741 ± 0.3566
15 1342 1342/1342 1342 ± 0.00002396 6.425 6.144/6.591 6.35 ± 0.3357
16 1342 1342/1342 1342 ± 0.0000267 5.825 5.618/6.017 5.771 ± 0.2848
17 1342 1342/1342 1342 ± 0.00002439 5.849 5.654/6.024 5.805 ± 0.2877
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38544671.eb38577571.59079.03639115741_split_split.ms
Start time
2024-04-05 01:12:00.773
End
2024-04-05 02:17:49.857
Duration
1:05:49.084
Note, WebLog generation is not included in the time.

CASA logs for stage 7