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

Statwt Summary Plot

VLASS2.1.sb38667356.eb38705720.59131.46099141204_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 5.587 5.505/6.314 5.902 ± 0.5981
ea02 1342 1342/1342 1342 ± 0.0000415 6.146 5.659/6.801 6.263 ± 0.6458
ea03 1342 1342/1342 1342 ± 0 5.762 5.018/6.207 5.667 ± 0.6067
ea04 1342 1342/1342 1342 ± 0 5.616 5.213/6.169 5.69 ± 0.5555
ea05 1342 1342/1342 1342 ± 0 6.176 5.601/6.651 6.02 ± 0.6708
ea06 1342 1342/1342 1342 ± 0 4.863 4.827/4.908 4.836 ± 0.1226
ea07 1342 1342/1342 1342 ± 0 6.15 5.717/6.504 6.236 ± 0.6063
ea08 1342 1342/1342 1342 ± 0 6.158 5.754/6.941 6.323 ± 0.6981
ea09 1342 1342/1342 1342 ± 0 5.992 5.467/6.703 6.059 ± 0.7104
ea10 1342 1342/1342 1342 ± 0.000001102 6.072 5.56/6.77 6.145 ± 0.6818
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 6.059 5.505/6.49 6.074 ± 0.6963
ea13 1342 1342/1342 1342 ± 0 6.579 6.064/6.83 6.414 ± 0.6609
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 1342 1342/1342 1342 ± 0 6.184 5.698/6.649 6.254 ± 0.6784
ea16 1342 1342/1342 1342 ± 0 6.435 5.956/6.994 6.484 ± 0.7681
ea17 1342 1342/1342 1342 ± 0 6.675 6.053/7.305 6.693 ± 0.6781
ea18 1342 1342/1342 1342 ± 0 5.236 4.844/5.699 5.27 ± 0.5378
ea19 1342 1342/1342 1342 ± 0 6.277 5.642/6.775 6.208 ± 0.6314
ea20 1342 1342/1342 1342 ± 0 6.124 5.63/6.722 6.121 ± 0.6866
ea21 1342 1342/1342 1342 ± 0 6.006 5.68/6.615 6.116 ± 0.6346
ea22 1342 1342/1342 1342 ± 0 6.055 5.495/6.476 5.98 ± 0.5701
ea23 1342 1342/1342 1342 ± 0 6.289 5.736/6.728 6.271 ± 0.6851
ea24 1342 1342/1342 1342 ± 0 6.216 5.67/6.794 6.158 ± 0.6968
ea25 1342 1342/1342 1342 ± 0 5.889 5.461/6.402 5.928 ± 0.6238
ea26 1342 1342/1342 1342 ± 0 6.647 5.993/7.27 6.574 ± 0.7562
ea27 1342 1342/1342 1342 ± 0 5.721 5.61/6.549 5.962 ± 0.6364
ea28 1342 1342/1342 1342 ± 0 5.762 5.452/6.463 5.916 ± 0.6403
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 ± 0.00002386 5.681 5.417/5.805 5.593 ± 0.328
4 1342 1342/1342 1342 ± 0.00002592 4.895 4.663/5.128 4.882 ± 0.2352
5 1342 1342/1342 1342 ± 0.00002386 5.598 5.356/5.768 5.553 ± 0.3601
6 1342 1342/1342 1342 ± 0.00002386 5.574 5.438/5.727 5.535 ± 0.3363
7 1342 1342/1342 1342 ± 0.00002386 5.623 5.42/5.7 5.554 ± 0.3139
8 1342 1342/1342 1342 ± 0.00002386 5.479 5.302/5.703 5.468 ± 0.3492
9 1342 1342/1342 1342 ± 0.00002386 5.722 5.53/6.081 5.743 ± 0.3842
10 1342 1342/1342 1342 ± 0.00002433 6.266 6.081/6.487 6.241 ± 0.3414
11 1342 1342/1342 1342 ± 0.00002433 6.544 6.323/6.653 6.462 ± 0.325
12 1342 1342/1342 1342 ± 0.00002433 6.625 6.468/6.786 6.626 ± 0.3575
13 1342 1342/1342 1342 ± 0.00002433 7.097 6.957/7.222 7.07 ± 0.3678
14 1342 1342/1342 1342 ± 0.00002433 7.246 7.051/7.513 7.236 ± 0.3958
15 1342 1342/1342 1342 ± 0.00002433 6.825 6.561/7.009 6.799 ± 0.3605
16 1342 1342/1342 1342 ± 0.00002484 6.192 5.945/6.432 6.216 ± 0.3677
17 1342 1342/1342 1342 ± 0.00002482 6.241 6.014/6.452 6.254 ± 0.3564
vis
VLASS2.1.sb38667356.eb38705720.59131.46099141204_split_split.ms
output_dir
 
overwrite_modelcol
False
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2025-01-11 06:20:38.679
End
2025-01-11 07:47:43.893
Duration
1:27:05.214
Note, WebLog generation is not included in the time.

CASA logs for stage 8