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

Statwt Summary Plot

VLASS2.1.sb38452360.eb38575738.59077.463367233795_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 5.208 5.108/5.787 5.284 ± 0.7476
ea02 1342 1342/1342 1342 ± 0.00004247 5.86 5.267/6.496 5.664 ± 0.9691
ea04 1342 1342/1342 1342 ± 0.00002262 5.292 4.908/5.855 5.197 ± 0.8321
ea05 1342 1342/1342 1342 ± 0.00001322 5.367 4.985/5.963 5.37 ± 0.7356
ea06 1342 1342/1342 1342 ± 0.00003636 4.544 4.328/5.446 4.696 ± 0.8316
ea07 1342 1342/1342 1342 ± 0.00003884 5.504 5.204/5.983 5.406 ± 0.8122
ea08 1342 1342/1342 1342 ± 0.00004267 5.996 5.473/6.74 5.837 ± 1.061
ea09 1342 1342/1342 1342 ± 0.00002637 5.387 5.093/6.069 5.426 ± 0.7959
ea10 1342 1342/1342 1342 ± 0.00003914 5.45 4.945/6.159 5.36 ± 0.8274
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00004198 5.407 5.124/6.359 5.452 ± 1.025
ea13 1342 1342/1342 1342 ± 0.00001931 5.727 5.535/6.204 5.725 ± 0.7667
ea14 1342 1342/1342 1342 ± 0.0000151 5.542 5.16/6.317 5.517 ± 0.8542
ea15 1342 1342/1342 1342 ± 0.00001749 5.205 4.991/6.11 5.29 ± 1.05
ea16 1342 1342/1342 1342 ± 0.0000188 5.651 5.29/6.133 5.513 ± 0.8583
ea17 1342 1342/1342 1342 ± 0.00004136 5.849 5.313/6.424 5.745 ± 0.9417
ea18 1342 1342/1342 1342 ± 0.00003965 4.85 4.645/5.379 4.917 ± 0.6204
ea19 1342 1342/1342 1342 ± 0.000002269 5.603 5.329/6.247 5.62 ± 0.7393
ea20 1342 1342/1342 1342 ± 0.00004252 5.731 5.513/6.653 5.768 ± 1.036
ea21 1342 1342/1342 1342 ± 0.00001549 5.332 5.162/5.911 5.338 ± 0.7617
ea22 1342 1342/1342 1342 ± 0.00003201 5.382 5.101/6.301 5.508 ± 0.8599
ea23 1342 1342/1342 1342 ± 0.00003048 5.654 5.28/6.199 5.546 ± 0.8654
ea25 1342 1342/1342 1342 ± 0.00003872 5.507 5.093/6.022 5.421 ± 0.7413
ea27 1342 1342/1342 1342 ± 0.00004337 5.36 4.984/6.232 5.36 ± 0.8552
ea28 1342 1342/1342 1342 ± 0.00004351 5.507 5.262/6.322 5.538 ± 0.9289
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 ± 0.00002441 5.307 5.087/5.491 5.264 ± 0.294
5 1342 1342/1342 1342 ± 0.00002544 5.218 5.099/5.437 5.246 ± 0.3159
6 1342 1342/1342 1342 ± 0.00002441 5.192 5.044/5.338 5.167 ± 0.2932
7 1342 1342/1342 1342 ± 0.00002441 5.24 5.05/5.313 5.171 ± 0.2782
8 1342 1342/1342 1342 ± 0.00002441 5.233 4.993/5.343 5.161 ± 0.2908
9 1342 1342/1342 1342 ± 0.00002441 5.499 5.347/5.695 5.465 ± 0.3353
10 1342 1342/1342 1342 ± 0.00002441 5.918 5.734/6.009 5.874 ± 0.2974
11 1342 1342/1342 1342 ± 0.00002441 6.139 6.024/6.303 6.124 ± 0.3102
12 1342 1342/1342 1342 ± 0.00002441 6.305 6.079/6.478 6.278 ± 0.329
13 1342 1342/1342 1342 ± 0.00002443 6.527 6.245/6.669 6.424 ± 0.3418
14 1342 1342/1342 1342 ± 0.00003111 6.105 5.668/6.494 6.101 ± 0.4865
15 1342 1342/1342 1342 ± 0.00002545 6.307 5.955/6.577 6.262 ± 0.423
16 1342 1342/1342 1342 ± 0.00005832 3.599 3.389/3.841 3.604 ± 0.352
17 1342 1342/1342 1342 ± 0.00006065 3.711 3.543/3.916 3.729 ± 0.2987
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38452360.eb38575738.59077.463367233795_split_split.ms
output_dir
 
statwtmode
VLASS-SE
Start time
2024-11-02 07:07:48.857
End
2024-11-02 07:52:15.751
Duration
0:44:26.893
Note, WebLog generation is not included in the time.

CASA logs for stage 8