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 6.128 5.858/6.856 6.387 ± 0.6397
ea02 1342 1342/1342 1342 ± 0 6.354 5.933/7.084 6.487 ± 0.7128
ea03 1342 1342/1342 1342 ± 0.000005477 5.553 5.251/6.763 5.897 ± 0.7803
ea04 1342 1342/1342 1342 ± 0 6.046 5.505/6.831 6.17 ± 0.7097
ea06 1342 1342/1342 1342 ± 0 6.604 5.702/6.788 6.341 ± 0.6914
ea07 1342 1342/1342 1342 ± 0 6.126 5.483/6.275 6.063 ± 0.5568
ea08 1342 1342/1342 1342 ± 0.000001258 6.318 5.843/7.14 6.553 ± 0.6772
ea09 1342 1342/1342 1342 ± 0 6.162 5.652/7.019 6.271 ± 0.7161
ea10 1342 1342/1342 1342 ± 0.00001174 6.212 5.645/6.924 6.312 ± 0.6442
ea11 1342 1342/1342 1342 ± 0 6.533 5.738/7.154 6.535 ± 0.7763
ea12 1342 1342/1342 1342 ± 0 6.394 5.796/7.057 6.513 ± 0.7364
ea13 1342 1342/1342 1342 ± 0 6.282 6.001/6.928 6.516 ± 0.5897
ea14 1342 1342/1342 1342 ± 0 6.489 5.716/6.988 6.431 ± 0.7782
ea15 1342 1342/1342 1342 ± 0 6.341 5.633/6.815 6.293 ± 0.7617
ea16 1342 1342/1342 1342 ± 0 6.468 5.898/6.973 6.515 ± 0.71
ea17 1342 1342/1342 1342 ± 0 6.782 6.304/7.783 6.997 ± 0.7344
ea18 1342 1342/1342 1342 ± 0 5.059 4.686/5.456 5.076 ± 0.4831
ea19 1342 1342/1342 1342 ± 0 6.728 5.971/7.248 6.662 ± 0.7214
ea20 1342 1342/1342 1342 ± 0 6.399 5.863/7.253 6.484 ± 0.7204
ea21 1342 1342/1342 1342 ± 0 6.275 5.737/6.848 6.347 ± 0.6573
ea22 1342 1342/1342 1342 ± 0 6.69 5.762/7.114 6.53 ± 0.7489
ea23 1342 1342/1342 1342 ± 0 6.44 5.942/7.031 6.581 ± 0.7604
ea24 1342 1342/1342 1342 ± 0 6.24 5.48/6.897 6.166 ± 0.6969
ea25 1342 1342/1342 1342 ± 0 6.368 5.491/6.776 6.267 ± 0.8007
ea26 1342 1342/1342 1342 ± 0 6.497 5.898/7.264 6.537 ± 0.719
ea27 1342 1342/1342 1342 ± 0 6.155 5.737/7.162 6.401 ± 0.7435
ea28 1342 1342/1342 1342 ± 0 6.185 5.824/7.011 6.43 ± 0.7155
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 5.713 5.614/5.844 5.677 ± 0.3172
4 1342 1342/1342 1342 ± 0.00002365 5.603 5.305/5.669 5.503 ± 0.4137
5 1342 1342/1342 1342 ± 0.00002305 5.758 5.505/5.993 5.718 ± 0.3607
6 1342 1342/1342 1342 ± 0.00002305 5.666 5.556/5.892 5.677 ± 0.3132
7 1342 1342/1342 1342 ± 0.00002305 5.756 5.562/5.928 5.738 ± 0.3017
8 1342 1342/1342 1342 ± 0.00002305 5.733 5.483/5.903 5.709 ± 0.3249
9 1342 1342/1342 1342 ± 0.00002305 6.053 5.914/6.221 6.025 ± 0.3504
10 1342 1342/1342 1342 ± 0.00002305 6.566 6.349/6.723 6.507 ± 0.3635
11 1342 1342/1342 1342 ± 0.00002305 6.829 6.634/6.966 6.747 ± 0.3761
12 1342 1342/1342 1342 ± 0.00002305 6.954 6.772/7.114 6.907 ± 0.4025
13 1342 1342/1342 1342 ± 0.00002305 7.458 7.237/7.621 7.405 ± 0.4195
14 1342 1342/1342 1342 ± 0.00002305 7.72 7.482/7.854 7.626 ± 0.4175
15 1342 1342/1342 1342 ± 0.00002305 7.302 7.143/7.502 7.247 ± 0.3947
16 1342 1342/1342 1342 ± 0.00002305 6.494 6.317/6.768 6.488 ± 0.415
17 1342 1342/1342 1342 ± 0.00002487 6.462 6.197/6.721 6.406 ± 0.42
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
vis
VLASS2.2.sb40233904.eb40478968.59488.05569084491_split_split.ms
Start time
2025-05-14 11:08:37.358
End
2025-05-14 12:02:52.270
Duration
0:54:14.913
Note, WebLog generation is not included in the time.

CASA logs for stage 8