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

Statwt Summary Plot

VLASS2.1.sb38499285.eb38509861.59047.50492306713_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 5.352 5.131/5.905 5.39 ± 0.769
ea02 1342 1342/1342 1342 ± 0.00004175 5.796 5.276/6.347 5.629 ± 0.9522
ea04 1342 1342/1342 1342 ± 0.00003253 5.264 4.856/5.793 5.182 ± 0.7745
ea05 1342 1342/1342 1342 ± 0.000003391 5.33 4.93/6.195 5.447 ± 0.7588
ea06 1342 1342/1342 1342 ± 0.000002888 5.167 4.935/5.872 5.209 ± 0.8183
ea07 1342 1342/1342 1342 ± 0.00004355 5.835 5.364/6.101 5.573 ± 0.8567
ea08 1342 1342/1342 1342 ± 0.00004419 5.951 5.48/6.609 5.826 ± 1.024
ea09 1342 1342/1342 1342 ± 0.00000167 5.303 5.005/6.097 5.426 ± 0.7271
ea10 1342 1342/1342 1342 ± 0.00004406 5.174 4.766/5.801 5.102 ± 0.7539
ea11 1342 1342/1342 1342 ± 0.00004453 5.908 5.298/6.504 5.723 ± 1.007
ea12 1342 1342/1342 1342 ± 0.0000104 5.398 5.212/6.263 5.515 ± 0.9858
ea13 1342 1342/1342 1342 ± 0.00001414 5.837 5.614/6.264 5.809 ± 0.7212
ea14 1342 1342/1342 1342 ± 0 5.42 5.183/6.364 5.59 ± 0.842
ea15 1342 1342/1342 1342 ± 0.000002435 5.161 5.004/6.074 5.424 ± 0.8369
ea16 1342 1342/1342 1342 ± 0.00001985 5.672 5.39/6.635 5.724 ± 0.9551
ea17 1342 1342/1342 1342 ± 0.00004478 5.941 5.468/6.507 5.845 ± 0.9611
ea18 1342 1342/1342 1342 ± 0.00003479 4.912 4.591/5.595 4.95 ± 0.7308
ea19 1342 1342/1342 1342 ± 0 5.537 5.37/6.436 5.676 ± 0.786
ea20 1342 1342/1342 1342 ± 0.00002374 5.818 5.646/6.861 5.928 ± 1.101
ea21 1342 1342/1342 1342 ± 0.000009705 5.265 5.175/6.031 5.389 ± 0.7589
ea22 1342 1342/1342 1342 ± 0.00002948 5.45 5.046/6.274 5.491 ± 0.8624
ea23 1342 1342/1342 1342 ± 0.00005132 6.305 5.872/6.723 5.856 ± 1.105
ea24 1342 1342/1342 1342 ± 0 4.987 4.838/6.082 5.349 ± 0.6567
ea25 1342 1342/1342 1342 ± 0.00004462 5.565 5.28/6.316 5.552 ± 0.8982
ea26 1342 1342/1342 1342 ± 0.00001532 5.708 5.418/6.773 5.88 ± 0.8451
ea27 1342 1342/1342 1342 ± 0.00004639 5.62 5.15/6.479 5.571 ± 0.9409
ea28 1342 1342/1342 1342 ± 0.00004333 5.675 5.407/6.564 5.705 ± 0.891
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 ± 0.0000282 5.444 5.155/5.691 5.41 ± 0.2976
3 1342 1342/1342 1342 ± 0.00002991 5.099 4.918/5.264 5.078 ± 0.2743
5 1342 1342/1342 1342 ± 0.0000241 5.249 5.035/5.497 5.296 ± 0.2816
6 1342 1342/1342 1342 ± 0.00002366 5.378 5.052/5.478 5.278 ± 0.2806
7 1342 1342/1342 1342 ± 0.00002366 5.313 5.078/5.544 5.296 ± 0.2696
8 1342 1342/1342 1342 ± 0.00002366 5.284 5.044/5.416 5.237 ± 0.3015
9 1342 1342/1342 1342 ± 0.00002424 5.563 5.28/5.794 5.521 ± 0.2931
10 1342 1342/1342 1342 ± 0.00002324 5.986 5.721/6.14 5.922 ± 0.3117
11 1342 1342/1342 1342 ± 0.00002324 6.262 6.034/6.399 6.208 ± 0.2983
12 1342 1342/1342 1342 ± 0.00002324 6.328 6.118/6.589 6.366 ± 0.3331
13 1342 1342/1342 1342 ± 0.00002324 6.574 6.318/6.816 6.538 ± 0.3447
14 1342 1342/1342 1342 ± 0.00002765 6.285 6.116/6.603 6.326 ± 0.3903
15 1342 1342/1342 1342 ± 0.00002324 6.555 6.232/6.786 6.497 ± 0.3879
16 1342 1342/1342 1342 ± 0.00006101 3.85 3.678/4.061 3.882 ± 0.2703
17 1342 1342/1342 1342 ± 0.00006038 3.849 3.722/4.022 3.886 ± 0.2699
datacolumn
residual_data
output_dir
 
overwrite_modelcol
False
statwtmode
VLASS-SE
vis
VLASS2.1.sb38499285.eb38509861.59047.50492306713_split_split.ms
Start time
2025-01-14 07:19:54.689
End
2025-01-14 07:47:25.571
Duration
0:27:30.882
Note, WebLog generation is not included in the time.

CASA logs for stage 8