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

Statwt Summary Plot

VLASS2.1.sb38523814.eb38632964.59098.28982543982_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 5.605 5.326/6.026 5.749 ± 0.54
ea02 1342 1342/1342 1342 ± 0 5.805 5.415/6.495 6.02 ± 0.6604
ea04 1342 1342/1342 1342 ± 0 5.444 5.114/6.102 5.644 ± 0.5884
ea05 1342 1342/1342 1342 ± 0 5.706 5.271/6.215 5.786 ± 0.6095
ea06 1342 1342/1342 1342 ± 0 4.748 4.59/5.267 4.904 ± 0.401
ea07 1342 1342/1342 1342 ± 0 6.007 5.519/6.303 6.048 ± 0.5988
ea08 1342 1342/1342 1342 ± 0.00000167 5.871 5.539/6.666 6.138 ± 0.6891
ea09 1342 1342/1342 1342 ± 0 5.554 5.237/6.279 5.732 ± 0.6654
ea10 1342 1342/1342 1342 ± 0 6 5.366/6.663 6.019 ± 0.6936
ea11 1342 1342/1342 1342 ± 0 5.89 5.22/6.387 5.882 ± 0.6587
ea12 1342 1342/1342 1342 ± 0 5.731 5.408/6.412 5.963 ± 0.6457
ea13 1342 1342/1342 1342 ± 0 6.006 5.693/6.361 6.116 ± 0.5388
ea14 1342 1342/1342 1342 ± 0 5.792 5.255/6.354 5.865 ± 0.668
ea15 1342 1342/1342 1342 ± 0 5.611 5.114/6.246 5.754 ± 0.7047
ea16 1342 1342/1342 1342 ± 0 6.231 5.699/6.775 6.31 ± 0.7492
ea17 1342 1342/1342 1342 ± 0.00001586 6.075 5.587/6.844 6.206 ± 0.661
ea18 1342 1342/1342 1342 ± 0 5.041 4.747/5.576 5.193 ± 0.5286
ea19 1342 1342/1342 1342 ± 0 5.761 5.536/6.726 6.157 ± 0.691
ea20 1342 1342/1342 1342 ± 0 6.107 5.679/6.748 6.249 ± 0.6634
ea21 1342 1342/1342 1342 ± 0 5.719 5.351/6.304 5.863 ± 0.5944
ea22 1342 1342/1342 1342 ± 0 5.52 5.198/6.38 5.751 ± 0.6609
ea23 1342 1342/1342 1342 ± 0 6.264 5.497/6.677 6.192 ± 0.7033
ea25 1342 1342/1342 1342 ± 0 5.656 5.286/6.157 5.774 ± 0.5945
ea26 1342 1342/1342 1342 ± 0 5.853 5.626/6.652 6.112 ± 0.7088
ea27 1342 1342/1342 1342 ± 0.00002383 5.628 5.347/6.499 5.872 ± 0.6233
ea28 1342 1342/1342 1342 ± 0.00002193 5.669 5.45/6.473 5.924 ± 0.6817
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 5.38 5.158/5.523 5.338 ± 0.2617
3 1342 1342/1342 1342 ± 0.00002494 5.217 5.042/5.44 5.192 ± 0.276
4 1342 1342/1342 1342 ± 0.00002395 5.267 4.937/5.372 5.145 ± 0.2838
5 1342 1342/1342 1342 ± 0.0000235 5.396 5.138/5.569 5.364 ± 0.3244
6 1342 1342/1342 1342 ± 0.0000235 5.452 5.225/5.63 5.419 ± 0.3077
7 1342 1342/1342 1342 ± 0.0000235 5.389 5.222/5.55 5.365 ± 0.2813
8 1342 1342/1342 1342 ± 0.0000235 5.408 5.204/5.51 5.325 ± 0.3045
9 1342 1342/1342 1342 ± 0.0000235 5.666 5.459/5.901 5.62 ± 0.3552
10 1342 1342/1342 1342 ± 0.00002374 6.087 5.916/6.264 6.046 ± 0.3238
11 1342 1342/1342 1342 ± 0.00002374 6.308 6.143/6.469 6.263 ± 0.342
12 1342 1342/1342 1342 ± 0.0000235 6.459 6.336/6.681 6.44 ± 0.3679
13 1342 1342/1342 1342 ± 0.0000235 6.928 6.837/7.107 6.906 ± 0.3962
14 1342 1342/1342 1342 ± 0.0000235 7.201 6.951/7.383 7.1 ± 0.4366
15 1342 1342/1342 1342 ± 0.0000235 6.784 6.553/6.928 6.675 ± 0.4256
16 1342 1342/1342 1342 ± 0.00003065 5.981 5.688/6.304 5.968 ± 0.4009
17 1342 1342/1342 1342 ± 0.00002999 6.017 5.736/6.255 5.986 ± 0.3766
statwtmode
VLASS-SE
output_dir
 
vis
VLASS2.1.sb38523814.eb38632964.59098.28982543982_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-01-07 02:01:56.156
End
2025-01-07 02:53:34.978
Duration
0:51:38.822
Note, WebLog generation is not included in the time.

CASA logs for stage 8