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

Statwt Summary Plot

VLASS2.1.sb38610195.eb38638028.59101.102248043986_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 5.86 5.278/6.104 5.74 ± 0.6003
ea02 1342 1342/1342 1342 ± 0.0000151 5.839 5.437/6.516 6.032 ± 0.6921
ea04 1342 1342/1342 1342 ± 0 5.609 5.063/6.16 5.689 ± 0.6222
ea05 1342 1342/1342 1342 ± 0 5.931 5.297/6.391 5.826 ± 0.6253
ea06 1342 1342/1342 1342 ± 0 4.868 4.654/5.239 4.936 ± 0.3523
ea07 1342 1342/1342 1342 ± 0 6.17 5.481/6.324 6.101 ± 0.6243
ea08 1342 1342/1342 1342 ± 0 5.845 5.506/6.649 6.1 ± 0.7115
ea09 1342 1342/1342 1342 ± 0 5.774 5.224/6.405 5.874 ± 0.699
ea10 1342 1342/1342 1342 ± 0 6.008 5.312/6.602 5.968 ± 0.7141
ea11 1342 1342/1342 1342 ± 0 5.938 5.189/6.45 5.926 ± 0.6857
ea12 1342 1342/1342 1342 ± 0 5.627 5.355/6.366 5.963 ± 0.6941
ea13 1342 1342/1342 1342 ± 0 6.103 5.694/6.308 6.096 ± 0.4906
ea14 1342 1342/1342 1342 ± 0 5.981 5.231/6.485 5.922 ± 0.7267
ea15 1342 1342/1342 1342 ± 0 5.794 5.103/6.306 5.824 ± 0.7254
ea16 1342 1342/1342 1342 ± 0 6.284 5.648/6.927 6.393 ± 0.8031
ea17 1342 1342/1342 1342 ± 0 6.026 5.653/6.704 6.217 ± 0.706
ea18 1342 1342/1342 1342 ± 0 5.113 4.675/5.582 5.165 ± 0.5367
ea19 1342 1342/1342 1342 ± 0 6.322 5.596/6.893 6.332 ± 0.7347
ea20 1342 1342/1342 1342 ± 0 6.268 5.686/6.886 6.268 ± 0.6399
ea21 1342 1342/1342 1342 ± 0 5.928 5.382/6.368 5.927 ± 0.6114
ea22 1342 1342/1342 1342 ± 0 5.396 5.2/6.16 5.689 ± 0.6858
ea23 1342 1342/1342 1342 ± 0 6.235 5.527/6.657 6.202 ± 0.7281
ea25 1342 1342/1342 1342 ± 0 5.492 5.164/6.192 5.669 ± 0.5961
ea26 1342 1342/1342 1342 ± 0 6.222 5.616/6.942 6.266 ± 0.6811
ea27 1342 1342/1342 1342 ± 0 5.587 5.279/6.446 5.767 ± 0.6495
ea28 1342 1342/1342 1342 ± 0.000009546 5.723 5.382/6.413 5.887 ± 0.6839
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 5.317 5.142/5.605 5.351 ± 0.2765
3 1342 1342/1342 1342 ± 0.00003836 4.852 4.749/5.087 4.903 ± 0.2306
4 1342 1342/1342 1342 ± 0.00002416 5.312 5.005/5.464 5.226 ± 0.3328
5 1342 1342/1342 1342 ± 0.00002348 5.413 5.136/5.602 5.357 ± 0.3282
6 1342 1342/1342 1342 ± 0.00002348 5.285 5.096/5.433 5.269 ± 0.2952
7 1342 1342/1342 1342 ± 0.00002348 5.345 5.187/5.527 5.341 ± 0.2771
8 1342 1342/1342 1342 ± 0.00002348 5.375 5.115/5.478 5.314 ± 0.3043
9 1342 1342/1342 1342 ± 0.00002348 5.617 5.443/5.907 5.606 ± 0.3385
10 1342 1342/1342 1342 ± 0.00002348 6.093 5.919/6.284 6.041 ± 0.3306
11 1342 1342/1342 1342 ± 0.00002348 6.326 6.17/6.516 6.27 ± 0.3476
12 1342 1342/1342 1342 ± 0.00002392 6.456 6.201/6.673 6.38 ± 0.4874
13 1342 1342/1342 1342 ± 0.00002348 6.959 6.728/7.107 6.911 ± 0.4279
14 1342 1342/1342 1342 ± 0.00002348 7.128 6.902/7.4 7.11 ± 0.4678
15 1342 1342/1342 1342 ± 0.0000238 6.82 6.603/7.093 6.74 ± 0.4673
16 1342 1342/1342 1342 ± 0.00002362 6.093 5.851/6.456 6.077 ± 0.4355
17 1342 1342/1342 1342 ± 0.00002442 6.083 5.882/6.324 6.078 ± 0.3979
datacolumn
residual_data
vis
VLASS2.1.sb38610195.eb38638028.59101.102248043986_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
Start time
2025-01-08 15:08:18.181
End
2025-01-08 16:17:30.263
Duration
1:09:12.082
Note, WebLog generation is not included in the time.

CASA logs for stage 8