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

Statwt Summary Plot

VLASS2.2.sb40233904.eb40478968.59488.05569084491_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 5.932 5.7/6.46 6.115 ± 0.4946
ea02 1342 1342/1342 1342 ± 0 6.034 5.66/6.655 6.173 ± 0.5607
ea03 1342 1342/1342 1342 ± 0.000008321 5.216 5.105/6.313 5.598 ± 0.621
ea04 1342 1342/1342 1342 ± 0.000001105 5.546 5.209/5.934 5.654 ± 0.4917
ea06 1342 1342/1342 1342 ± 0 6.007 5.464/6.317 5.957 ± 0.5098
ea07 1342 1342/1342 1342 ± 0 5.654 5.385/5.787 5.646 ± 0.3885
ea08 1342 1342/1342 1342 ± 0.000003391 6.065 5.942/6.683 6.313 ± 0.5299
ea09 1342 1342/1342 1342 ± 0 5.976 5.469/6.576 6.016 ± 0.5812
ea10 1342 1342/1342 1342 ± 0 5.639 5.479/6.37 5.876 ± 0.5082
ea11 1342 1342/1342 1342 ± 0 6.055 5.657/6.618 6.187 ± 0.5932
ea12 1342 1342/1342 1342 ± 0 5.98 5.626/6.537 6.1 ± 0.5654
ea13 1342 1342/1342 1342 ± 0.000001107 6.201 5.673/6.495 6.167 ± 0.5219
ea14 1342 1342/1342 1342 ± 0 5.833 5.543/6.431 6.002 ± 0.57
ea15 1342 1342/1342 1342 ± 0 5.758 5.422/6.377 5.913 ± 0.6022
ea16 1342 1342/1342 1342 ± 0 5.955 5.592/6.387 6.04 ± 0.5071
ea17 1342 1342/1342 1342 ± 0 6.492 6.168/7.098 6.587 ± 0.5376
ea18 1342 1342/1342 1342 ± 0 4.778 4.48/5.017 4.767 ± 0.34
ea19 1342 1342/1342 1342 ± 0 5.993 5.799/6.704 6.237 ± 0.5396
ea20 1342 1342/1342 1342 ± 0 5.897 5.753/6.749 6.166 ± 0.5367
ea21 1342 1342/1342 1342 ± 0.0000097 5.778 5.546/6.362 5.994 ± 0.4854
ea22 1342 1342/1342 1342 ± 0 6.108 5.666/6.571 6.116 ± 0.5188
ea23 1342 1342/1342 1342 ± 0 5.883 5.725/6.612 6.209 ± 0.6017
ea24 1342 1342/1342 1342 ± 0 5.94 5.385/6.458 5.896 ± 0.5432
ea25 1342 1342/1342 1342 ± 0 5.89 5.322/6.036 5.848 ± 0.5754
ea26 1342 1342/1342 1342 ± 0 6.046 5.67/6.769 6.166 ± 0.5383
ea27 1342 1342/1342 1342 ± 0 5.814 5.588/6.652 6.029 ± 0.5773
ea28 1342 1342/1342 1342 ± 0 5.746 5.604/6.535 6.06 ± 0.5738
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 ± 0.00002305 5.723 5.612/5.886 5.684 ± 0.321
4 1342 1342/1342 1342 ± 0.00002586 5.383 5.077/5.59 5.332 ± 0.4358
5 1342 1342/1342 1342 ± 0.00002305 5.642 5.424/5.875 5.608 ± 0.3742
6 1342 1342/1342 1342 ± 0.00002305 5.477 5.375/5.68 5.477 ± 0.3037
7 1342 1342/1342 1342 ± 0.00002305 5.545 5.376/5.719 5.522 ± 0.2993
8 1342 1342/1342 1342 ± 0.00002305 5.482 5.258/5.669 5.452 ± 0.3186
9 1342 1342/1342 1342 ± 0.00002305 5.743 5.647/5.904 5.724 ± 0.3401
10 1342 1342/1342 1342 ± 0.00002305 6.186 5.961/6.352 6.109 ± 0.3619
11 1342 1342/1342 1342 ± 0.00002305 6.385 6.218/6.518 6.303 ± 0.3641
12 1342 1342/1342 1342 ± 0.00002305 6.471 6.317/6.619 6.417 ± 0.3968
13 1342 1342/1342 1342 ± 0.00002305 6.841 6.661/7.023 6.808 ± 0.4086
14 1342 1342/1342 1342 ± 0.00002305 7.071 6.866/7.179 6.978 ± 0.3869
15 1342 1342/1342 1342 ± 0.00002305 6.75 6.516/6.869 6.653 ± 0.3895
16 1342 1342/1342 1342 ± 0.00002388 5.951 5.671/6.091 5.89 ± 0.3582
17 1342 1342/1342 1342 ± 0.00002412 5.881 5.636/5.963 5.783 ± 0.3256
overwrite_modelcol
False
vis
VLASS2.2.sb40233904.eb40478968.59488.05569084491_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
output_dir
 
Start time
2025-05-14 10:45:05.956
End
2025-05-14 11:59:04.994
Duration
1:13:59.038
Note, WebLog generation is not included in the time.

CASA logs for stage 8