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

Statwt Summary Plot

VLASS3.2.sb45483556.eb45792768.60431.950518831014_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 4.818 4.744/5.358 5.023 ± 0.3684
ea02 1342 1342/1342 1342 ± 0.000009459 6.03 5.696/6.405 6.191 ± 0.5496
ea03 1342 1342/1342 1342 ± 0 5.966 5.428/6.557 6.028 ± 0.588
ea04 1342 1342/1342 1342 ± 0.000002301 5.481 5.212/6.001 5.572 ± 0.4804
ea05 1342 1342/1342 1342 ± 0.00000874 5.563 5.31/6.346 5.804 ± 0.5644
ea06 1342 1342/1342 1342 ± 0.000003637 5.725 5.124/6.02 5.712 ± 0.565
ea07 1342 1342/1342 1342 ± 0 5.751 5.285/6.169 5.854 ± 0.6304
ea08 1342 1342/1342 1342 ± 0 6.123 5.759/6.706 6.288 ± 0.5715
ea09 1342 1342/1342 1342 ± 0 5.62 5.164/6.305 5.722 ± 0.5688
ea10 1342 1342/1342 1342 ± 0 5.302 5.095/5.956 5.487 ± 0.519
ea11 1342 1342/1342 1342 ± 0.00002707 5.452 4.909/6.085 5.487 ± 0.6101
ea12 1342 1342/1342 1342 ± 0.00001099 5.42 5.312/6.125 5.641 ± 0.5073
ea13 1342 1342/1342 1342 ± 0 5.973 5.623/6.335 6.009 ± 0.5855
ea14 1342 1342/1342 1342 ± 0.000002818 5.924 5.558/6.453 6.015 ± 0.5196
ea15 1342 1342/1342 1342 ± 0.00001652 5.825 5.625/6.601 6.126 ± 0.6485
ea17 1342 1342/1342 1342 ± 0 5.992 5.723/6.855 6.167 ± 0.6358
ea18 1342 1342/1342 1342 ± 0 6.351 5.911/6.939 6.431 ± 0.5764
ea19 1342 1342/1342 1342 ± 0.000009997 5.654 5.397/6.407 5.869 ± 0.532
ea20 1342 1342/1342 1342 ± 0 5.998 5.595/6.621 6.112 ± 0.5459
ea21 1342 1342/1342 1342 ± 0 5.311 5.155/5.797 5.49 ± 0.4438
ea22 1342 1342/1342 1342 ± 0 6.121 5.839/6.78 6.243 ± 0.5721
ea23 1342 1342/1342 1342 ± 0 5.639 5.375/6.192 5.822 ± 0.5931
ea24 1342 1342/1342 1342 ± 0 5.996 5.364/6.431 5.909 ± 0.5555
ea25 1342 1342/1342 1342 ± 0 6.356 5.644/6.764 6.38 ± 0.71
ea28 1342 1342/1342 1342 ± 0 6.3 5.791/6.903 6.345 ± 0.6245
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 ± 0.0000249 5.461 5.21/5.618 5.446 ± 0.3053
5 1342 1342/1342 1342 ± 0.00002392 5.398 5.199/5.666 5.416 ± 0.3342
6 1342 1342/1342 1342 ± 0.00002392 5.191 4.94/5.396 5.204 ± 0.3567
7 1342 1342/1342 1342 ± 0.00002392 5.395 5.213/5.623 5.404 ± 0.2833
8 1342 1342/1342 1342 ± 0.00002392 5.321 5.134/5.573 5.34 ± 0.3086
9 1342 1342/1342 1342 ± 0.00002392 5.612 5.489/5.88 5.628 ± 0.339
10 1342 1342/1342 1342 ± 0.00002392 6.051 5.921/6.255 6.025 ± 0.3142
11 1342 1342/1342 1342 ± 0.00002392 6.283 6.039/6.425 6.221 ± 0.3553
12 1342 1342/1342 1342 ± 0.00002392 6.41 6.121/6.624 6.371 ± 0.3766
13 1342 1342/1342 1342 ± 0.00002392 6.855 6.455/7.08 6.812 ± 0.4094
14 1342 1342/1342 1342 ± 0.00002392 6.866 6.483/7.215 6.827 ± 0.4757
15 1342 1342/1342 1342 ± 0.00002392 6.608 6.328/6.938 6.587 ± 0.414
16 1342 1342/1342 1342 ± 0.00002831 5.799 5.473/6.081 5.773 ± 0.4451
17 1342 1342/1342 1342 ± 0.00003152 5.69 5.415/6.013 5.676 ± 0.4302
statwtmode
VLASS-SE
vis
VLASS3.2.sb45483556.eb45792768.60431.950518831014_split_split.ms
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
Start time
2025-08-07 05:01:00.061
End
2025-08-07 05:27:51.652
Duration
0:26:51.591
Note, WebLog generation is not included in the time.

CASA logs for stage 8