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

Statwt Summary Plot

VLASS2.2.sb40528187.eb40882891.59510.17895375_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 6.269 5.638/6.586 6.169 ± 0.6165
ea02 1342 1342/1342 1342 ± 0.00002955 6.104 5.394/6.633 5.993 ± 0.8752
ea03 1342 1342/1342 1342 ± 0 5.524 5.095/6.373 5.684 ± 0.8185
ea04 1342 1342/1342 1342 ± 0 5.788 5.24/6.506 5.897 ± 0.6485
ea06 1342 1342/1342 1342 ± 0 6.416 5.574/6.57 6.161 ± 0.6173
ea07 1342 1342/1342 1342 ± 0 6.045 5.462/6.442 6.05 ± 0.6621
ea08 1342 1342/1342 1342 ± 0 6.134 5.615/6.766 6.25 ± 0.7356
ea09 1342 1342/1342 1342 ± 0 5.979 5.36/6.742 6.058 ± 0.7012
ea10 1342 1342/1342 1342 ± 0 6.024 5.413/6.695 5.995 ± 0.7553
ea11 1342 1342/1342 1342 ± 0 6.235 5.396/6.689 6.123 ± 0.791
ea12 1342 1342/1342 1342 ± 0 6.002 5.482/6.603 6.132 ± 0.7324
ea13 1342 1342/1342 1342 ± 0 5.802 5.733/6.329 5.981 ± 0.5422
ea14 1342 1342/1342 1342 ± 0 6.341 5.594/6.755 6.282 ± 0.7235
ea15 1342 1342/1342 1342 ± 0 5.653 4.992/6.007 5.585 ± 0.7147
ea16 1342 1342/1342 1342 ± 0 6.109 5.63/6.726 6.221 ± 0.7516
ea17 1342 1342/1342 1342 ± 0 6.472 6.08/7.304 6.676 ± 0.7106
ea18 1342 1342/1342 1342 ± 0 4.472 4.174/4.867 4.549 ± 0.4406
ea19 1342 1342/1342 1342 ± 0.000006469 6.192 5.671/6.83 6.309 ± 0.7397
ea20 1342 1342/1342 1342 ± 0 5.995 5.549/6.649 6.054 ± 0.7748
ea21 1342 1342/1342 1342 ± 0 5.941 5.516/6.535 6.049 ± 0.6486
ea22 1342 1342/1342 1342 ± 0 6.304 5.452/6.723 6.138 ± 0.7374
ea23 1342 1342/1342 1342 ± 0 6.105 5.622/6.617 6.176 ± 0.7642
ea24 1342 1342/1342 1342 ± 0 5.88 5.108/6.341 5.722 ± 0.5954
ea25 1342 1342/1342 1342 ± 0 6.551 5.662/7.036 6.445 ± 0.8307
ea26 1342 1342/1342 1342 ± 0 6.347 5.743/7.161 6.414 ± 0.728
ea27 1342 1342/1342 1342 ± 0 5.871 5.421/6.798 6.041 ± 0.7859
ea28 1342 1342/1342 1342 ± 0 6.133 5.691/6.843 6.302 ± 0.777
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 ± 0.00002306 5.567 5.355/5.801 5.507 ± 0.3332
3 1342 1342/1342 1342 ± 0.0000266 4.947 4.499/5.145 4.871 ± 0.559
4 1342 1342/1342 1342 ± 0.00002414 5.347 5.07/5.514 5.285 ± 0.4345
5 1342 1342/1342 1342 ± 0.00002306 5.565 5.274/5.638 5.447 ± 0.3735
6 1342 1342/1342 1342 ± 0.00002306 5.473 5.281/5.635 5.405 ± 0.3211
7 1342 1342/1342 1342 ± 0.00002306 5.569 5.348/5.658 5.485 ± 0.323
8 1342 1342/1342 1342 ± 0.00002306 5.467 5.259/5.702 5.444 ± 0.3622
9 1342 1342/1342 1342 ± 0.00002306 5.859 5.645/6.019 5.773 ± 0.3872
10 1342 1342/1342 1342 ± 0.00002306 6.335 6.164/6.449 6.227 ± 0.401
11 1342 1342/1342 1342 ± 0.00002306 6.572 6.329/6.705 6.462 ± 0.4144
12 1342 1342/1342 1342 ± 0.00002306 6.71 6.48/6.759 6.607 ± 0.4438
13 1342 1342/1342 1342 ± 0.00002306 7.122 6.934/7.411 7.088 ± 0.4843
14 1342 1342/1342 1342 ± 0.00002306 7.368 7.226/7.609 7.303 ± 0.4864
15 1342 1342/1342 1342 ± 0.00002306 6.993 6.86/7.211 6.967 ± 0.4534
16 1342 1342/1342 1342 ± 0.00002306 6.309 6.192/6.619 6.325 ± 0.4479
17 1342 1342/1342 1342 ± 0.00002355 6.362 6.116/6.528 6.281 ± 0.4306
output_dir
 
vis
VLASS2.2.sb40528187.eb40882891.59510.17895375_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-05-23 20:29:10.988
End
2025-05-23 21:32:02.367
Duration
1:02:51.378
Note, WebLog generation is not included in the time.

CASA logs for stage 8