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

Statwt Summary Plot

VLASS2.2.sb40879186.eb40941791.59520.340825879626_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 6.081 5.671/6.717 6.236 ± 0.6623
ea03 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0.00001147 5.837 5.425/6.552 5.988 ± 0.6433
ea06 1342 1342/1342 1342 ± 0 6.155 5.546/6.572 6.098 ± 0.6573
ea07 1342 1342/1342 1342 ± 0 6.148 5.579/6.393 6.104 ± 0.5873
ea08 1342 1342/1342 1342 ± 0.000009047 6.093 5.649/6.822 6.296 ± 0.6595
ea09 1342 1342/1342 1342 ± 0 6.041 5.51/6.752 6.12 ± 0.6809
ea10 1342 1342/1342 1342 ± 0.000008888 6.214 5.708/6.97 6.324 ± 0.6517
ea11 1342 1342/1342 1342 ± 0 6.045 5.492/6.645 6.131 ± 0.6889
ea12 1342 1342/1342 1342 ± 0 6.303 5.773/6.749 6.325 ± 0.6384
ea13 1342 1342/1342 1342 ± 0 5.79 5.542/6.336 5.964 ± 0.5212
ea14 1342 1342/1342 1342 ± 0 6.52 5.826/7.009 6.532 ± 0.7428
ea15 1342 1342/1342 1342 ± 0 5.874 5.363/6.236 5.826 ± 0.6039
ea16 1342 1342/1342 1342 ± 0 6.364 5.83/6.947 6.484 ± 0.737
ea17 1342 1342/1342 1342 ± 0 6.518 6.055/7.461 6.697 ± 0.7152
ea18 1342 1342/1342 1342 ± 0 5.071 4.682/5.548 5.128 ± 0.5458
ea19 1342 1342/1342 1342 ± 0 6.629 5.916/7.194 6.618 ± 0.7442
ea20 1342 1342/1342 1342 ± 0 6.105 5.846/7.019 6.333 ± 0.6521
ea21 1342 1342/1342 1342 ± 0 5.952 5.671/6.683 6.208 ± 0.622
ea22 1342 1342/1342 1342 ± 0 6.223 5.379/6.641 6.068 ± 0.6861
ea23 1342 1342/1342 1342 ± 0 6.258 5.863/6.902 6.473 ± 0.6728
ea24 1342 1342/1342 1342 ± 0 5.917 5.212/6.467 5.802 ± 0.6292
ea26 1342 1342/1342 1342 ± 0 6.443 5.892/7.211 6.481 ± 0.7743
ea27 1342 1342/1342 1342 ± 0 6.137 5.874/7.173 6.412 ± 0.7555
ea28 1342 1342/1342 1342 ± 0 6.05 5.88/7.013 6.437 ± 0.7103
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 ± 0.00002442 5.755 5.594/5.868 5.701 ± 0.3136
4 1342 1342/1342 1342 ± 0.00002482 5.339 5.056/5.526 5.288 ± 0.3646
5 1342 1342/1342 1342 ± 0.00002442 5.71 5.451/5.828 5.634 ± 0.3383
6 1342 1342/1342 1342 ± 0.00002442 5.677 5.468/5.84 5.602 ± 0.2896
7 1342 1342/1342 1342 ± 0.00002442 5.717 5.485/5.88 5.644 ± 0.2958
8 1342 1342/1342 1342 ± 0.00002442 5.625 5.43/5.864 5.578 ± 0.3436
9 1342 1342/1342 1342 ± 0.00002442 5.942 5.655/6.112 5.86 ± 0.3505
10 1342 1342/1342 1342 ± 0.00002442 6.401 6.214/6.555 6.323 ± 0.3482
11 1342 1342/1342 1342 ± 0.00002442 6.597 6.369/6.872 6.571 ± 0.3654
12 1342 1342/1342 1342 ± 0.00002442 6.738 6.474/7.003 6.719 ± 0.4093
13 1342 1342/1342 1342 ± 0.00002442 7.212 6.919/7.566 7.201 ± 0.4363
14 1342 1342/1342 1342 ± 0.00002442 7.473 7.291/7.818 7.432 ± 0.4246
15 1342 1342/1342 1342 ± 0.00002442 7.11 6.777/7.458 7.061 ± 0.4391
16 1342 1342/1342 1342 ± 0.00002442 6.342 6.124/6.485 6.316 ± 0.4117
17 1342 1342/1342 1342 ± 0.00002624 6.262 6.032/6.481 6.221 ± 0.3543
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS2.2.sb40879186.eb40941791.59520.340825879626_split_split.ms
output_dir
 
datacolumn
residual_data
Start time
2025-04-18 21:54:28.285
End
2025-04-18 22:45:59.318
Duration
0:51:31.033
Note, WebLog generation is not included in the time.

CASA logs for stage 8