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 6.319 5.833/6.709 6.353 ± 0.6519
ea03 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0.00003103 5.816 5.452/6.215 5.925 ± 0.5688
ea06 1342 1342/1342 1342 ± 0 5.919 5.651/6.418 6.043 ± 0.5535
ea07 1342 1342/1342 1342 ± 0 6.078 5.694/6.218 6.119 ± 0.5398
ea08 1342 1342/1342 1342 ± 0.00001907 6.26 5.885/6.817 6.372 ± 0.6142
ea09 1342 1342/1342 1342 ± 0 6.128 5.605/6.743 6.197 ± 0.6259
ea10 1342 1342/1342 1342 ± 0 6.042 5.653/6.884 6.222 ± 0.6561
ea11 1342 1342/1342 1342 ± 0 5.986 5.74/6.543 6.153 ± 0.6045
ea12 1342 1342/1342 1342 ± 0 6.242 5.792/6.679 6.291 ± 0.625
ea13 1342 1342/1342 1342 ± 0.000004709 5.816 5.682/6.233 5.919 ± 0.5355
ea14 1342 1342/1342 1342 ± 0 6.284 5.968/6.946 6.492 ± 0.6519
ea15 1342 1342/1342 1342 ± 0 5.673 5.348/6.068 5.747 ± 0.5366
ea16 1342 1342/1342 1342 ± 0 6.359 5.937/6.869 6.471 ± 0.6765
ea17 1342 1342/1342 1342 ± 0 6.427 6.134/7.334 6.682 ± 0.6361
ea18 1342 1342/1342 1342 ± 0 5.091 4.74/5.536 5.169 ± 0.5206
ea19 1342 1342/1342 1342 ± 0 6.398 6.2/7.228 6.63 ± 0.6935
ea20 1342 1342/1342 1342 ± 0 6.023 5.83/6.906 6.279 ± 0.6195
ea21 1342 1342/1342 1342 ± 0 5.948 5.756/6.6 6.214 ± 0.5707
ea22 1342 1342/1342 1342 ± 0 6.225 5.582/6.497 6.098 ± 0.6361
ea23 1342 1342/1342 1342 ± 0 6.21 6/6.87 6.485 ± 0.6437
ea24 1342 1342/1342 1342 ± 0 6.048 5.27/6.492 5.909 ± 0.5797
ea26 1342 1342/1342 1342 ± 0 6.344 5.915/7.096 6.486 ± 0.6991
ea27 1342 1342/1342 1342 ± 0 6.092 5.841/7.061 6.382 ± 0.6869
ea28 1342 1342/1342 1342 ± 0 6.01 5.872/6.906 6.358 ± 0.7293
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 5.871 5.642/6.029 5.806 ± 0.3428
4 1342 1342/1342 1342 ± 0.00003189 5.272 5.112/5.457 5.261 ± 0.389
5 1342 1342/1342 1342 ± 0.00002441 5.842 5.584/6.001 5.749 ± 0.383
6 1342 1342/1342 1342 ± 0.00002441 5.72 5.461/5.883 5.662 ± 0.2937
7 1342 1342/1342 1342 ± 0.00002441 5.751 5.405/5.937 5.689 ± 0.3242
8 1342 1342/1342 1342 ± 0.00002441 5.623 5.314/5.825 5.592 ± 0.3484
9 1342 1342/1342 1342 ± 0.00002441 5.972 5.616/6.124 5.861 ± 0.3493
10 1342 1342/1342 1342 ± 0.00002441 6.347 6.139/6.551 6.282 ± 0.3492
11 1342 1342/1342 1342 ± 0.00002441 6.531 6.338/6.802 6.509 ± 0.3748
12 1342 1342/1342 1342 ± 0.00002441 6.699 6.482/6.909 6.651 ± 0.4052
13 1342 1342/1342 1342 ± 0.00002441 7.138 6.843/7.481 7.121 ± 0.433
14 1342 1342/1342 1342 ± 0.00002441 7.334 7.187/7.7 7.35 ± 0.4193
15 1342 1342/1342 1342 ± 0.00002441 7.041 6.673/7.352 7.016 ± 0.4181
16 1342 1342/1342 1342 ± 0.00002443 6.165 5.91/6.41 6.15 ± 0.396
17 1342 1342/1342 1342 ± 0.00002888 6.139 5.864/6.245 6.043 ± 0.3821
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.2.sb40879186.eb40941791.59520.340825879626_split_split.ms
output_dir
 
Start time
2025-04-18 19:49:22.957
End
2025-04-18 20:38:11.322
Duration
0:48:48.365
Note, WebLog generation is not included in the time.

CASA logs for stage 8