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

Statwt Summary Plot

VLASS2.1.sb38539165.eb38696919.59128.74249967592_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 5.4 5.105/5.862 5.515 ± 0.5065
ea02 1342 1342/1342 1342 ± 0 5.664 5.162/6.233 5.747 ± 0.6533
ea03 1342 1342/1342 1342 ± 0 5.13 4.522/5.689 5.149 ± 0.6397
ea04 1342 1342/1342 1342 ± 0 5.462 5.088/6.03 5.607 ± 0.565
ea05 1342 1342/1342 1342 ± 0 5.59 5.089/6.124 5.663 ± 0.6102
ea06 1342 1342/1342 1342 ± 0 4.959 4.754/5.413 5.073 ± 0.3827
ea07 1342 1342/1342 1342 ± 0 5.802 5.322/6.13 5.843 ± 0.5989
ea08 1342 1342/1342 1342 ± 0 5.815 5.439/6.476 5.961 ± 0.6587
ea09 1342 1342/1342 1342 ± 0 5.546 5.057/6.184 5.628 ± 0.6769
ea10 1342 1342/1342 1342 ± 0 5.759 5.227/6.453 5.807 ± 0.6576
ea11 1342 1342/1342 1342 ± 0 6.192 5.805/6.537 6.181 ± 0.657
ea12 1342 1342/1342 1342 ± 0 5.64 5.312/6.222 5.829 ± 0.587
ea13 1342 1342/1342 1342 ± 0 5.823 5.505/6.241 5.909 ± 0.5703
ea14 1342 1342/1342 1342 ± 0 5.748 5.115/6.311 5.774 ± 0.7208
ea15 1342 1342/1342 1342 ± 0 5.622 5.181/6.217 5.768 ± 0.6512
ea16 1342 1342/1342 1342 ± 0 5.997 5.521/6.534 6.071 ± 0.7659
ea17 1342 1342/1342 1342 ± 0.000009237 6.151 5.71/6.671 6.279 ± 0.6665
ea18 1342 1342/1342 1342 ± 0.000001186 4.916 4.588/5.445 5.052 ± 0.5192
ea19 1342 1342/1342 1342 ± 0 5.6 5.174/6.26 5.772 ± 0.6503
ea21 1342 1342/1342 1342 ± 0 5.58 5.186/6.169 5.692 ± 0.6014
ea22 1342 1342/1342 1342 ± 0 5.468 5.114/6.254 5.631 ± 0.6782
ea23 1342 1342/1342 1342 ± 0 5.881 5.377/6.319 5.941 ± 0.6976
ea25 1342 1342/1342 1342 ± 0.000003977 5.607 5.229/6.077 5.705 ± 0.5709
ea26 1342 1342/1342 1342 ± 0 5.832 5.366/6.463 5.932 ± 0.7273
ea27 1342 1342/1342 1342 ± 0.00002616 5.477 5.239/6.296 5.678 ± 0.5919
ea28 1342 1342/1342 1342 ± 0.000005682 5.292 5.077/6.026 5.518 ± 0.5963
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 5.265 5.088/5.373 5.189 ± 0.2661
3 1342 1342/1342 1342 ± 0.0000253 4.913 4.737/5.067 4.889 ± 0.2647
4 1342 1342/1342 1342 ± 0.00002394 5.099 4.809/5.382 5.102 ± 0.3777
5 1342 1342/1342 1342 ± 0.00002394 5.174 4.983/5.293 5.142 ± 0.2918
6 1342 1342/1342 1342 ± 0.00002394 5.184 5.03/5.327 5.142 ± 0.2698
7 1342 1342/1342 1342 ± 0.00002394 5.22 5.124/5.312 5.209 ± 0.2463
8 1342 1342/1342 1342 ± 0.00002394 5.18 5.041/5.336 5.181 ± 0.2858
9 1342 1342/1342 1342 ± 0.00002394 5.477 5.257/5.733 5.468 ± 0.3183
10 1342 1342/1342 1342 ± 0.00002394 5.942 5.726/6.119 5.885 ± 0.3054
11 1342 1342/1342 1342 ± 0.0000235 6.185 6.029/6.287 6.11 ± 0.307
12 1342 1342/1342 1342 ± 0.00002394 6.355 6.139/6.402 6.271 ± 0.3408
13 1342 1342/1342 1342 ± 0.00002394 6.715 6.563/6.826 6.685 ± 0.3737
14 1342 1342/1342 1342 ± 0.0000235 6.915 6.703/7.1 6.834 ± 0.4071
15 1342 1342/1342 1342 ± 0.00002394 6.584 6.307/6.714 6.485 ± 0.3853
16 1342 1342/1342 1342 ± 0.00002892 5.877 5.587/6.036 5.848 ± 0.342
17 1342 1342/1342 1342 ± 0.00002659 5.785 5.68/6.04 5.818 ± 0.3248
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38539165.eb38696919.59128.74249967592_split_split.ms
Start time
2024-11-15 08:27:52.561
End
2024-11-15 09:18:54.430
Duration
0:51:01.869
Note, WebLog generation is not included in the time.

CASA logs for stage 8