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

Statwt Summary Plot

VLASS2.2.sb40493634.eb40941789.59520.06707907407_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 6.115 5.75/6.708 6.256 ± 0.6006
ea03 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0 5.839 5.371/6.425 5.978 ± 0.6283
ea06 1342 1342/1342 1342 ± 0 6.215 5.617/6.495 6.12 ± 0.5739
ea07 1342 1342/1342 1342 ± 0 6.231 5.596/6.458 6.18 ± 0.6123
ea08 1342 1342/1342 1342 ± 0 6.077 5.865/6.799 6.329 ± 0.6141
ea09 1342 1342/1342 1342 ± 0 5.983 5.514/6.782 6.138 ± 0.6607
ea10 1342 1342/1342 1342 ± 0 6.099 5.671/6.848 6.24 ± 0.6234
ea11 1342 1342/1342 1342 ± 0 6.121 5.486/6.695 6.18 ± 0.6983
ea12 1342 1342/1342 1342 ± 0 6.283 5.696/6.765 6.333 ± 0.6798
ea13 1342 1342/1342 1342 ± 0 5.985 5.903/6.492 6.191 ± 0.5212
ea14 1342 1342/1342 1342 ± 0 6.454 5.883/6.906 6.501 ± 0.6777
ea15 1342 1342/1342 1342 ± 0 5.784 5.211/6.138 5.724 ± 0.6243
ea16 1342 1342/1342 1342 ± 0 6.453 5.839/6.915 6.499 ± 0.7397
ea17 1342 1342/1342 1342 ± 0 6.65 6.059/7.408 6.716 ± 0.694
ea18 1342 1342/1342 1342 ± 0 5.108 4.75/5.53 5.16 ± 0.5271
ea19 1342 1342/1342 1342 ± 0 6.444 5.953/7.156 6.549 ± 0.7076
ea20 1342 1342/1342 1342 ± 0 6.048 5.83/6.966 6.335 ± 0.6396
ea21 1342 1342/1342 1342 ± 0.000008021 6.087 5.661/6.687 6.222 ± 0.6194
ea22 1342 1342/1342 1342 ± 0 6.358 5.73/6.754 6.258 ± 0.6698
ea23 1342 1342/1342 1342 ± 0 6.188 5.806/6.849 6.407 ± 0.6892
ea24 1342 1342/1342 1342 ± 0 5.788 5.172/6.313 5.723 ± 0.5727
ea26 1342 1342/1342 1342 ± 0 6.326 5.898/7.065 6.425 ± 0.6622
ea27 1342 1342/1342 1342 ± 0 5.978 5.744/7.1 6.303 ± 0.733
ea28 1342 1342/1342 1342 ± 0 6.08 5.861/7.016 6.455 ± 0.7077
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 5.685 5.599/5.882 5.678 ± 0.3019
4 1342 1342/1342 1342 ± 0.00003009 5.427 5.158/5.585 5.308 ± 0.3886
5 1342 1342/1342 1342 ± 0.00002441 5.735 5.412/5.932 5.641 ± 0.3464
6 1342 1342/1342 1342 ± 0.00002441 5.679 5.462/5.789 5.59 ± 0.2827
7 1342 1342/1342 1342 ± 0.00002441 5.669 5.504/5.863 5.639 ± 0.2919
8 1342 1342/1342 1342 ± 0.00002441 5.604 5.472/5.848 5.574 ± 0.3226
9 1342 1342/1342 1342 ± 0.00002441 5.972 5.744/6.088 5.859 ± 0.3321
10 1342 1342/1342 1342 ± 0.00002441 6.413 6.281/6.52 6.312 ± 0.3437
11 1342 1342/1342 1342 ± 0.00002441 6.587 6.456/6.805 6.549 ± 0.3489
12 1342 1342/1342 1342 ± 0.00002441 6.76 6.477/6.957 6.704 ± 0.3866
13 1342 1342/1342 1342 ± 0.00002441 7.189 6.978/7.493 7.173 ± 0.4117
14 1342 1342/1342 1342 ± 0.00002441 7.424 7.186/7.692 7.38 ± 0.4084
15 1342 1342/1342 1342 ± 0.00002441 7.141 6.878/7.402 7.071 ± 0.3995
16 1342 1342/1342 1342 ± 0.00002441 6.257 6.088/6.462 6.27 ± 0.3829
17 1342 1342/1342 1342 ± 0.00002511 6.155 6.001/6.361 6.152 ± 0.3325
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.2.sb40493634.eb40941789.59520.06707907407_split_split.ms
statwtmode
VLASS-SE
Start time
2025-04-18 12:33:38.895
End
2025-04-18 13:19:03.571
Duration
0:45:24.676
Note, WebLog generation is not included in the time.

CASA logs for stage 8