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

Statwt Summary Plot

VLASS2.1.sb38664748.eb38688475.59125.74132475695_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 5.259 5.047/5.902 5.395 ± 0.595
ea02 1342 1342/1342 1342 ± 0.00004173 5.811 5.273/6.495 5.766 ± 0.7709
ea03 1342 1342/1342 1342 ± 0.00001689 4.971 4.574/5.743 5.124 ± 0.664
ea04 1342 1342/1342 1342 ± 0.00003372 5.214 5.016/6.044 5.356 ± 0.7453
ea05 1342 1342/1342 1342 ± 0.00002174 5.402 5.022/6.163 5.573 ± 0.6802
ea06 1342 1342/1342 1342 ± 0.00003448 4.987 4.803/5.524 5.038 ± 0.6207
ea07 1342 1342/1342 1342 ± 0.00004003 5.764 5.253/6.173 5.694 ± 0.7321
ea08 1342 1342/1342 1342 ± 0.00004101 6.006 5.483/6.789 6.011 ± 0.8394
ea09 1342 1342/1342 1342 ± 0.00002502 5.315 5.125/6.346 5.535 ± 0.7371
ea10 1342 1342/1342 1342 ± 0.00003623 5.714 5.137/6.5 5.703 ± 0.7858
ea11 1342 1342/1342 1342 ± 0.00004138 5.672 4.988/6.267 5.534 ± 0.7604
ea12 1342 1342/1342 1342 ± 0.00003588 5.416 5.136/6.341 5.575 ± 0.813
ea13 1342 1342/1342 1342 ± 0.00002161 5.784 5.617/6.397 5.915 ± 0.7331
ea14 1342 1342/1342 1342 ± 0.00002771 5.489 5.084/6.328 5.595 ± 0.7794
ea15 1342 1342/1342 1342 ± 0.00002887 5.187 5.06/6.251 5.519 ± 0.9006
ea16 1342 1342/1342 1342 ± 0.00002205 5.862 5.436/6.698 5.946 ± 0.8708
ea17 1342 1342/1342 1342 ± 0.00004712 6.01 5.53/6.796 6.041 ± 0.8274
ea18 1342 1342/1342 1342 ± 0.00004144 4.776 4.486/5.43 4.852 ± 0.5469
ea19 1342 1342/1342 1342 ± 0.00001867 5.464 5.258/6.301 5.703 ± 0.6877
ea21 1342 1342/1342 1342 ± 0.00001876 5.519 5.27/6.274 5.662 ± 0.697
ea22 1342 1342/1342 1342 ± 0.00003605 5.414 4.96/6.287 5.567 ± 0.7567
ea23 1342 1342/1342 1342 ± 0.00003553 5.752 5.276/6.484 5.786 ± 0.815
ea25 1342 1342/1342 1342 ± 0.00004415 5.518 5.122/6.172 5.514 ± 0.7109
ea26 1342 1342/1342 1342 ± 0.00002749 5.649 5.457/6.802 5.891 ± 0.8284
ea27 1342 1342/1342 1342 ± 0.00004403 5.484 5.038/6.334 5.586 ± 0.7193
ea28 1342 1342/1342 1342 ± 0.00004323 5.361 5.078/6.104 5.509 ± 0.6725
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 ± 0.0000235 5.156 5.046/5.355 5.161 ± 0.2405
3 1342 1342/1342 1342 ± 0.00006102 5.025 4.731/5.468 5.107 ± 0.5588
5 1342 1342/1342 1342 ± 0.00002351 5.195 5.019/5.388 5.195 ± 0.3234
6 1342 1342/1342 1342 ± 0.0000235 5.182 5.001/5.343 5.173 ± 0.2906
7 1342 1342/1342 1342 ± 0.0000235 5.175 5.105/5.31 5.208 ± 0.251
8 1342 1342/1342 1342 ± 0.0000235 5.232 5.029/5.392 5.198 ± 0.2777
9 1342 1342/1342 1342 ± 0.0000235 5.497 5.371/5.774 5.513 ± 0.3123
10 1342 1342/1342 1342 ± 0.0000235 5.925 5.765/6.1 5.889 ± 0.3114
11 1342 1342/1342 1342 ± 0.0000235 6.228 6.073/6.369 6.171 ± 0.3048
12 1342 1342/1342 1342 ± 0.0000235 6.362 6.205/6.485 6.331 ± 0.3183
13 1342 1342/1342 1342 ± 0.00002381 6.616 6.395/6.724 6.545 ± 0.3611
14 1342 1342/1342 1342 ± 0.00003474 6.536 6.225/6.787 6.466 ± 0.4256
15 1342 1342/1342 1342 ± 0.0000289 6.527 6.315/6.781 6.502 ± 0.4538
16 1342 1342/1342 1342 ± 0.00005676 4.093 3.943/4.226 4.064 ± 0.2514
17 1342 1342/1342 1342 ± 0.0000593 4.261 4.083/4.428 4.251 ± 0.2991
statwtmode
VLASS-SE
vis
VLASS2.1.sb38664748.eb38688475.59125.74132475695_split_split.ms
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-01-04 07:55:24.325
End
2025-01-04 09:07:06.446
Duration
1:11:42.121
Note, WebLog generation is not included in the time.

CASA logs for stage 8