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

Statwt Summary Plot

VLASS3.2.sb45544419.eb45877457.60435.173042256945_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 5.613 5.376/6.299 5.65 ± 0.8519
ea02 1342 1342/1342 1342 ± 0.00003777 5.68 5.332/6.491 5.671 ± 0.8625
ea03 1342 1342/1342 1342 ± 0 5.426 5.352/6.239 5.732 ± 0.6902
ea04 1342 1342/1342 1342 ± 0.00004335 5.272 4.857/6.101 5.307 ± 0.7375
ea05 1342 1342/1342 1342 ± 0.00004618 5.479 5.088/6.489 5.58 ± 0.8623
ea06 1342 1342/1342 1342 ± 0.00001249 5.226 4.862/6.077 5.289 ± 0.712
ea07 1342 1342/1342 1342 ± 0.00004157 5.227 5.089/6.342 5.505 ± 0.8635
ea08 1342 1342/1342 1342 ± 0.00002035 5.784 5.39/6.897 5.883 ± 1.006
ea09 1342 1342/1342 1342 ± 0.00004071 5.181 4.929/5.877 5.332 ± 0.7763
ea10 1342 1342/1342 1342 ± 0.00004278 5.14 4.711/6.009 5.16 ± 0.7585
ea11 1342 1342/1342 1342 ± 0.00005018 5.252 4.664/6.128 5.209 ± 0.8677
ea13 1342 1342/1342 1342 ± 0 5.511 5.323/6.319 5.677 ± 0.5965
ea14 1342 1342/1342 1342 ± 0.0000447 5.512 5.296/6.643 5.69 ± 0.8415
ea15 1342 1342/1342 1342 ± 0.00004759 5.563 5.274/6.622 5.665 ± 0.912
ea16 1342 1342/1342 1342 ± 0.00001148 5.775 5.393/6.598 5.815 ± 0.8405
ea17 1342 1342/1342 1342 ± 0.00004104 5.777 5.253/6.688 5.833 ± 0.9529
ea18 1342 1342/1342 1342 ± 0.00001401 5.899 5.632/6.977 5.981 ± 1.029
ea19 1342 1342/1342 1342 ± 0.00002815 5.436 5.302/6.451 5.583 ± 0.8199
ea20 1342 1342/1342 1342 ± 0.00001085 5.549 5.464/6.277 5.759 ± 0.6542
ea21 1342 1342/1342 1342 ± 0.000001196 5.127 4.89/5.674 5.207 ± 0.5602
ea22 1342 1342/1342 1342 ± 0.00003194 5.761 5.227/6.675 5.77 ± 0.9464
ea23 1342 1342/1342 1342 ± 0.00004348 5.613 5.137/6.336 5.602 ± 0.8328
ea24 1342 1342/1342 1342 ± 0 5.309 5.149/6.54 5.69 ± 0.7518
ea25 1342 1342/1342 1342 ± 0.00000573 5.923 5.455/6.791 6.093 ± 0.8035
ea27 1342 1342/1342 1342 ± 0.000005604 5.305 5.049/6.369 5.481 ± 0.8432
ea28 1342 1342/1342 1342 ± 0 5.812 5.714/6.704 6.079 ± 0.7419
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 5.355 5.083/5.435 5.287 ± 0.2571
5 1342 1342/1342 1342 ± 0.00002577 5.326 5.064/5.609 5.297 ± 0.3365
6 1342 1342/1342 1342 ± 0.00002349 5.405 5.138/5.602 5.364 ± 0.2817
7 1342 1342/1342 1342 ± 0.00002349 5.377 5.186/5.59 5.348 ± 0.2675
8 1342 1342/1342 1342 ± 0.00002349 5.369 5.181/5.516 5.35 ± 0.2738
9 1342 1342/1342 1342 ± 0.00002349 5.572 5.407/5.839 5.602 ± 0.3053
10 1342 1342/1342 1342 ± 0.00002394 6.259 5.946/6.329 6.17 ± 0.309
11 1342 1342/1342 1342 ± 0.00002349 6.491 6.29/6.673 6.463 ± 0.2803
12 1342 1342/1342 1342 ± 0.00002349 6.665 6.411/6.834 6.626 ± 0.3327
13 1342 1342/1342 1342 ± 0.00002349 6.776 6.512/7.019 6.769 ± 0.3964
14 1342 1342/1342 1342 ± 0.00004331 5.224 4.942/5.741 5.446 ± 0.6937
15 1342 1342/1342 1342 ± 0.00002349 6.601 6.09/6.926 6.512 ± 0.499
16 1342 1342/1342 1342 ± 0.00006102 4.206 4.061/4.499 4.34 ± 0.4223
17 1342 1342/1342 1342 ± 0.00006101 4.096 3.92/4.444 4.186 ± 0.3751
output_dir
 
statwtmode
VLASS-SE
vis
VLASS3.2.sb45544419.eb45877457.60435.173042256945_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-07-19 17:14:05.137
End
2025-07-19 18:14:56.020
Duration
1:00:50.883
Note, WebLog generation is not included in the time.

CASA logs for stage 8