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

Statwt Summary Plot

VLASS2.1.sb38619750.eb38664746.59114.89728754629_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 5.608 5.302/6.141 5.737 ± 0.5369
ea02 1342 1342/1342 1342 ± 0.000006706 5.773 5.415/6.476 5.992 ± 0.6251
ea03 1342 1342/1342 1342 ± 0 5.4 4.77/6.006 5.432 ± 0.653
ea04 1342 1342/1342 1342 ± 0 5.523 5.17/6.131 5.688 ± 0.5613
ea05 1342 1342/1342 1342 ± 0 5.798 5.341/6.27 5.858 ± 0.5732
ea06 1342 1342/1342 1342 ± 0 5.227 4.936/5.684 5.315 ± 0.4388
ea07 1342 1342/1342 1342 ± 0 6.02 5.455/6.244 5.997 ± 0.5743
ea08 1342 1342/1342 1342 ± 0.00001569 5.909 5.616/6.762 6.2 ± 0.6761
ea09 1342 1342/1342 1342 ± 0.000001062 5.778 5.278/6.369 5.845 ± 0.6339
ea10 1342 1342/1342 1342 ± 0.000003002 5.991 5.304/6.597 5.971 ± 0.6849
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.832 5.367/6.454 5.996 ± 0.6603
ea13 1342 1342/1342 1342 ± 0 6.13 5.889/6.563 6.299 ± 0.506
ea14 1342 1342/1342 1342 ± 0 5.853 5.335/6.435 5.94 ± 0.6641
ea15 1342 1342/1342 1342 ± 0 5.765 5.368/6.377 5.95 ± 0.6623
ea16 1342 1342/1342 1342 ± 0 6.101 5.656/6.729 6.256 ± 0.6951
ea17 1342 1342/1342 1342 ± 0.00003004 5.965 5.535/6.526 6.105 ± 0.6384
ea18 1342 1342/1342 1342 ± 0.000001502 5.055 4.722/5.496 5.128 ± 0.5286
ea19 1342 1342/1342 1342 ± 0 6.05 5.592/6.719 6.227 ± 0.646
ea20 1342 1342/1342 1342 ± 0 6.041 5.658/6.609 6.194 ± 0.6183
ea21 1342 1342/1342 1342 ± 0 5.759 5.415/6.327 5.911 ± 0.5636
ea22 1342 1342/1342 1342 ± 0.00001002 5.569 5.298/6.42 5.834 ± 0.6637
ea23 1342 1342/1342 1342 ± 0 6.028 5.477/6.442 6.092 ± 0.6811
ea25 1342 1342/1342 1342 ± 0.000005905 5.648 5.334/6.216 5.813 ± 0.5851
ea26 1342 1342/1342 1342 ± 0 6.046 5.685/6.754 6.226 ± 0.6839
ea27 1342 1342/1342 1342 ± 0.00002812 5.605 5.31/6.396 5.792 ± 0.59
ea28 1342 1342/1342 1342 ± 0.00004031 5.886 5.461/6.504 6.01 ± 0.6667
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 ± 0.00002349 5.407 5.276/5.692 5.429 ± 0.2844
3 1342 1342/1342 1342 ± 0.00002588 5.31 5.06/5.494 5.294 ± 0.3092
4 1342 1342/1342 1342 ± 0.0000237 5.296 5.203/5.476 5.307 ± 0.313
5 1342 1342/1342 1342 ± 0.00002349 5.382 5.14/5.53 5.342 ± 0.3208
6 1342 1342/1342 1342 ± 0.00002349 5.364 5.178/5.538 5.335 ± 0.3285
7 1342 1342/1342 1342 ± 0.00002349 5.374 5.273/5.547 5.374 ± 0.2498
8 1342 1342/1342 1342 ± 0.00002349 5.384 5.13/5.537 5.33 ± 0.2683
9 1342 1342/1342 1342 ± 0.00002349 5.654 5.511/5.869 5.624 ± 0.3002
10 1342 1342/1342 1342 ± 0.00002349 6.11 5.953/6.25 6.074 ± 0.3059
11 1342 1342/1342 1342 ± 0.00002349 6.375 6.171/6.475 6.296 ± 0.3074
12 1342 1342/1342 1342 ± 0.00002393 6.502 6.317/6.672 6.454 ± 0.3268
13 1342 1342/1342 1342 ± 0.00002349 6.905 6.814/7.132 6.886 ± 0.3482
14 1342 1342/1342 1342 ± 0.00002349 7.139 6.88/7.344 7.038 ± 0.3825
15 1342 1342/1342 1342 ± 0.00002349 6.826 6.505/6.957 6.725 ± 0.3758
16 1342 1342/1342 1342 ± 0.00004225 6.092 5.78/6.349 6.072 ± 0.3405
17 1342 1342/1342 1342 ± 0.00003626 6.132 5.895/6.353 6.093 ± 0.3328
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38619750.eb38664746.59114.89728754629_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-01-04 10:41:21.823
End
2025-01-04 11:59:33.966
Duration
1:18:12.143
Note, WebLog generation is not included in the time.

CASA logs for stage 8