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

Statwt Summary Plot

VLASS2.2.sb40233904.eb40478968.59488.05569084491_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 5.9 5.688/6.426 6.094 ± 0.4924
ea02 1342 1342/1342 1342 ± 0 6.041 5.605/6.608 6.136 ± 0.5646
ea03 1342 1342/1342 1342 ± 0.00001409 5.196 5.089/6.291 5.576 ± 0.6154
ea04 1342 1342/1342 1342 ± 0.000007288 5.511 5.187/5.865 5.611 ± 0.4787
ea06 1342 1342/1342 1342 ± 0 5.951 5.45/6.28 5.929 ± 0.4995
ea07 1342 1342/1342 1342 ± 0 5.61 5.368/5.761 5.613 ± 0.3849
ea08 1342 1342/1342 1342 ± 0.000008589 6.096 5.892/6.64 6.292 ± 0.5233
ea09 1342 1342/1342 1342 ± 0 5.937 5.45/6.519 5.993 ± 0.5644
ea10 1342 1342/1342 1342 ± 0 5.625 5.434/6.314 5.83 ± 0.4867
ea11 1342 1342/1342 1342 ± 0 6.029 5.634/6.593 6.155 ± 0.5874
ea12 1342 1342/1342 1342 ± 0 5.964 5.61/6.505 6.062 ± 0.5551
ea13 1342 1342/1342 1342 ± 0.000003112 6.161 5.632/6.475 6.128 ± 0.5264
ea14 1342 1342/1342 1342 ± 0 5.761 5.514/6.388 5.95 ± 0.551
ea15 1342 1342/1342 1342 ± 0 5.675 5.382/6.323 5.869 ± 0.5898
ea16 1342 1342/1342 1342 ± 0 5.922 5.569/6.338 5.994 ± 0.4974
ea17 1342 1342/1342 1342 ± 0 6.438 6.139/7.085 6.547 ± 0.5237
ea18 1342 1342/1342 1342 ± 0 4.743 4.465/4.98 4.737 ± 0.336
ea19 1342 1342/1342 1342 ± 0 5.91 5.753/6.655 6.186 ± 0.5421
ea20 1342 1342/1342 1342 ± 0 5.859 5.665/6.688 6.102 ± 0.545
ea21 1342 1342/1342 1342 ± 0.000003196 5.754 5.519/6.296 5.95 ± 0.4774
ea22 1342 1342/1342 1342 ± 0 6.053 5.595/6.506 6.068 ± 0.5153
ea23 1342 1342/1342 1342 ± 0 5.865 5.703/6.569 6.163 ± 0.6009
ea24 1342 1342/1342 1342 ± 0 5.916 5.342/6.421 5.867 ± 0.5378
ea25 1342 1342/1342 1342 ± 0.000003197 5.82 5.306/5.99 5.807 ± 0.5644
ea26 1342 1342/1342 1342 ± 0 6.008 5.659/6.716 6.132 ± 0.5325
ea27 1342 1342/1342 1342 ± 0 5.748 5.547/6.605 5.984 ± 0.5635
ea28 1342 1342/1342 1342 ± 0 5.71 5.563/6.483 6.019 ± 0.5662
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 ± 0.00002305 5.695 5.592/5.858 5.662 ± 0.3224
4 1342 1342/1342 1342 ± 0.00002607 5.355 5.085/5.571 5.318 ± 0.4425
5 1342 1342/1342 1342 ± 0.00002305 5.622 5.403/5.861 5.595 ± 0.372
6 1342 1342/1342 1342 ± 0.00002305 5.459 5.332/5.651 5.441 ± 0.2986
7 1342 1342/1342 1342 ± 0.00002305 5.517 5.345/5.69 5.495 ± 0.2939
8 1342 1342/1342 1342 ± 0.00002305 5.473 5.211/5.629 5.426 ± 0.3172
9 1342 1342/1342 1342 ± 0.00002305 5.708 5.607/5.871 5.69 ± 0.3384
10 1342 1342/1342 1342 ± 0.00002305 6.147 5.928/6.306 6.072 ± 0.3568
11 1342 1342/1342 1342 ± 0.00002305 6.338 6.197/6.457 6.259 ± 0.3618
12 1342 1342/1342 1342 ± 0.00002305 6.443 6.293/6.599 6.373 ± 0.3926
13 1342 1342/1342 1342 ± 0.00002305 6.77 6.629/6.965 6.755 ± 0.404
14 1342 1342/1342 1342 ± 0.00002305 7.014 6.804/7.156 6.926 ± 0.3823
15 1342 1342/1342 1342 ± 0.00002305 6.677 6.513/6.835 6.615 ± 0.3887
16 1342 1342/1342 1342 ± 0.0000254 5.864 5.605/6.061 5.838 ± 0.359
17 1342 1342/1342 1342 ± 0.00002446 5.773 5.509/5.92 5.696 ± 0.3331
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.2.sb40233904.eb40478968.59488.05569084491_split_split.ms
Start time
2025-05-26 02:24:09.351
End
2025-05-26 02:55:37.057
Duration
0:31:27.705
Note, WebLog generation is not included in the time.

CASA logs for stage 8