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

Statwt Summary Plot

VLASS3.2.sb45458712.eb46169388.60476.06293818287_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 5.542 5.363/6.188 5.688 ± 0.7484
ea02 1342 1342/1342 1342 ± 0.00002503 5.521 5.292/6.312 5.662 ± 0.6728
ea03 1342 1342/1342 1342 ± 0.00002439 5.402 5.218/6.338 5.697 ± 0.6197
ea04 1342 1342/1342 1342 ± 0.00003599 5.209 4.91/6.019 5.317 ± 0.6269
ea05 1342 1342/1342 1342 ± 0.00004216 5.281 5.03/6.21 5.489 ± 0.7274
ea06 1342 1342/1342 1342 ± 0.000001728 5.365 4.856/5.838 5.331 ± 0.5649
ea07 1342 1342/1342 1342 ± 0.00002624 5.133 4.921/6.128 5.44 ± 0.688
ea08 1342 1342/1342 1342 ± 0.000004568 5.593 5.418/6.653 5.825 ± 0.8197
ea09 1342 1342/1342 1342 ± 0.00002459 5.115 4.886/5.655 5.271 ± 0.5968
ea10 1342 1342/1342 1342 ± 0.00003643 4.709 4.498/4.928 4.628 ± 0.4271
ea11 1342 1342/1342 1342 ± 0.00004504 5.526 4.888/6.367 5.575 ± 0.8466
ea12 1342 1342/1342 1342 ± 0.0000244 5.144 4.829/5.817 5.246 ± 0.6229
ea14 1342 1342/1342 1342 ± 0.00003818 5.386 5.134/6.271 5.568 ± 0.6851
ea15 1342 1342/1342 1342 ± 0.00004291 5.49 5.275/6.261 5.603 ± 0.7872
ea16 1342 1342/1342 1342 ± 0 5.74 5.285/6.372 5.815 ± 0.683
ea17 1342 1342/1342 1342 ± 0.00003094 5.691 5.29/6.509 5.861 ± 0.7694
ea18 1342 1342/1342 1342 ± 0.00001166 5.689 5.391/6.685 5.827 ± 0.8538
ea19 1342 1342/1342 1342 ± 0.000006321 5.332 5.15/6.236 5.497 ± 0.7036
ea20 1342 1342/1342 1342 ± 0 5.837 5.56/6.758 6.106 ± 0.6881
ea21 1342 1342/1342 1342 ± 0 5.06 4.934/5.764 5.284 ± 0.5453
ea22 1342 1342/1342 1342 ± 0.0000135 5.505 5.069/6.3 5.55 ± 0.6906
ea23 1342 1342/1342 1342 ± 0.00003457 5.568 5.032/6.31 5.638 ± 0.7363
ea24 1342 1342/1342 1342 ± 0 5.405 5.1/6.285 5.658 ± 0.6202
ea25 1342 1342/1342 1342 ± 0 5.889 5.447/6.564 6.094 ± 0.7748
ea27 1342 1342/1342 1342 ± 0 5.158 4.968/5.997 5.325 ± 0.709
ea28 1342 1342/1342 1342 ± 0 5.802 5.615/6.686 6.063 ± 0.6601
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 ± 0.00002348 5.266 5.023/5.354 5.207 ± 0.2553
5 1342 1342/1342 1342 ± 0.00002704 5.085 4.934/5.341 5.123 ± 0.3054
6 1342 1342/1342 1342 ± 0.00002348 5.167 4.921/5.433 5.176 ± 0.2711
7 1342 1342/1342 1342 ± 0.00002348 5.3 5.127/5.463 5.277 ± 0.2689
8 1342 1342/1342 1342 ± 0.00002348 5.25 5.025/5.499 5.246 ± 0.3234
9 1342 1342/1342 1342 ± 0.00002348 5.534 5.37/5.819 5.546 ± 0.3303
10 1342 1342/1342 1342 ± 0.00002348 6.001 5.828/6.152 5.974 ± 0.3291
11 1342 1342/1342 1342 ± 0.00002348 6.304 6.128/6.507 6.257 ± 0.3468
12 1342 1342/1342 1342 ± 0.00002348 6.424 6.163/6.612 6.399 ± 0.4239
13 1342 1342/1342 1342 ± 0.00002348 6.684 6.42/7.002 6.674 ± 0.5455
14 1342 1342/1342 1342 ± 0.00002619 5.58 5.333/6.179 5.809 ± 0.6693
15 1342 1342/1342 1342 ± 0.00002348 6.246 5.914/6.607 6.209 ± 0.4905
16 1342 1342/1342 1342 ± 0.00005743 4.517 4.322/4.885 4.652 ± 0.5061
17 1342 1342/1342 1342 ± 0.00005684 4.424 4.25/4.688 4.507 ± 0.396
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
vis
VLASS3.2.sb45458712.eb46169388.60476.06293818287_split_split.ms
Start time
2025-07-26 23:08:20.253
End
2025-07-27 00:08:22.934
Duration
1:00:02.681
Note, WebLog generation is not included in the time.

CASA logs for stage 8