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 5.913 5.723/6.507 6.102 ± 0.5003
ea02 1342 1342/1342 1342 ± 0.00000663 6.025 5.727/6.68 6.19 ± 0.5653
ea03 1342 1342/1342 1342 ± 0.000001214 5.221 5.107/6.317 5.593 ± 0.6134
ea04 1342 1342/1342 1342 ± 0.000001715 5.585 5.242/6.104 5.698 ± 0.5135
ea06 1342 1342/1342 1342 ± 0 6.028 5.488/6.376 5.998 ± 0.5251
ea07 1342 1342/1342 1342 ± 0 5.701 5.366/5.842 5.675 ± 0.3957
ea08 1342 1342/1342 1342 ± 0 6.071 5.858/6.732 6.304 ± 0.5377
ea09 1342 1342/1342 1342 ± 0 5.912 5.468/6.603 5.996 ± 0.5913
ea10 1342 1342/1342 1342 ± 0 5.734 5.518/6.424 5.925 ± 0.5137
ea11 1342 1342/1342 1342 ± 0 6.087 5.652/6.672 6.228 ± 0.6175
ea12 1342 1342/1342 1342 ± 0 6.018 5.617/6.579 6.139 ± 0.5658
ea13 1342 1342/1342 1342 ± 0 6.172 5.702/6.544 6.202 ± 0.5044
ea14 1342 1342/1342 1342 ± 0 6.043 5.56/6.477 6.054 ± 0.602
ea15 1342 1342/1342 1342 ± 0 5.85 5.458/6.412 5.944 ± 0.614
ea16 1342 1342/1342 1342 ± 0 6.017 5.611/6.431 6.094 ± 0.525
ea17 1342 1342/1342 1342 ± 0 6.459 6.162/7.159 6.623 ± 0.5525
ea18 1342 1342/1342 1342 ± 0 4.82 4.508/5.057 4.794 ± 0.3414
ea19 1342 1342/1342 1342 ± 0 6.174 5.83/6.769 6.3 ± 0.5464
ea20 1342 1342/1342 1342 ± 0.000001758 5.92 5.802/6.811 6.207 ± 0.5425
ea21 1342 1342/1342 1342 ± 0.000009827 5.805 5.593/6.425 6.034 ± 0.5022
ea22 1342 1342/1342 1342 ± 0 6.203 5.7/6.654 6.153 ± 0.5458
ea23 1342 1342/1342 1342 ± 0 5.94 5.793/6.657 6.254 ± 0.6102
ea24 1342 1342/1342 1342 ± 0 5.889 5.41/6.491 5.903 ± 0.547
ea25 1342 1342/1342 1342 ± 0 5.952 5.328/6.141 5.878 ± 0.5975
ea26 1342 1342/1342 1342 ± 0 6.034 5.653/6.813 6.172 ± 0.5626
ea27 1342 1342/1342 1342 ± 0.000002424 5.762 5.624/6.708 6.054 ± 0.593
ea28 1342 1342/1342 1342 ± 0 5.766 5.597/6.582 6.075 ± 0.5965
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 ± 0.00002307 5.715 5.595/5.866 5.679 ± 0.3154
4 1342 1342/1342 1342 ± 0.00002587 5.34 5.037/5.544 5.3 ± 0.4234
5 1342 1342/1342 1342 ± 0.00002307 5.644 5.399/5.875 5.601 ± 0.3651
6 1342 1342/1342 1342 ± 0.00002307 5.514 5.396/5.693 5.494 ± 0.3045
7 1342 1342/1342 1342 ± 0.00002307 5.567 5.415/5.735 5.551 ± 0.3009
8 1342 1342/1342 1342 ± 0.00002307 5.498 5.295/5.697 5.48 ± 0.3196
9 1342 1342/1342 1342 ± 0.00002307 5.765 5.689/5.959 5.754 ± 0.3442
10 1342 1342/1342 1342 ± 0.00002307 6.223 6.004/6.386 6.148 ± 0.365
11 1342 1342/1342 1342 ± 0.00002307 6.426 6.272/6.563 6.347 ± 0.3711
12 1342 1342/1342 1342 ± 0.00002307 6.523 6.345/6.675 6.464 ± 0.4026
13 1342 1342/1342 1342 ± 0.00002307 6.924 6.677/7.081 6.856 ± 0.4142
14 1342 1342/1342 1342 ± 0.00002307 7.11 6.914/7.191 7.011 ± 0.3941
15 1342 1342/1342 1342 ± 0.00002307 6.761 6.565/6.909 6.68 ± 0.3923
16 1342 1342/1342 1342 ± 0.0000231 5.985 5.738/6.138 5.935 ± 0.3686
17 1342 1342/1342 1342 ± 0.00002415 5.882 5.678/6.042 5.848 ± 0.3366
overwrite_modelcol
False
vis
VLASS2.2.sb40233904.eb40478968.59488.05569084491_split_split.ms
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
Start time
2025-05-14 11:40:54.277
End
2025-05-14 12:38:10.757
Duration
0:57:16.481
Note, WebLog generation is not included in the time.

CASA logs for stage 8