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

Statwt Summary Plot

VLASS2.1.sb38625952.eb38714976.59133.44101303241_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 5.522 5.342/6.281 5.86 ± 0.6032
ea02 1342 1342/1342 1342 ± 0.0000421 6.138 5.759/6.808 6.299 ± 0.6394
ea03 1342 1342/1342 1342 ± 0 5.644 4.96/6.141 5.6 ± 0.6339
ea04 1342 1342/1342 1342 ± 0 5.708 5.377/6.21 5.82 ± 0.5431
ea05 1342 1342/1342 1342 ± 0 5.877 5.601/6.76 6.112 ± 0.6185
ea06 1342 1342/1342 1342 ± 0 5.02 4.844/5.548 5.188 ± 0.4117
ea07 1342 1342/1342 1342 ± 0.000001644 5.913 5.612/6.428 6.115 ± 0.6954
ea08 1342 1342/1342 1342 ± 0 6.143 5.708/6.937 6.348 ± 0.6696
ea09 1342 1342/1342 1342 ± 0 6.156 5.397/6.66 6.109 ± 0.6497
ea10 1342 1342/1342 1342 ± 0.000005688 6.031 5.501/6.918 6.126 ± 0.7446
ea11 1342 1342/1342 1342 ± 0 5.772 5.394/6.646 6.015 ± 0.7783
ea12 1342 1342/1342 1342 ± 0 5.744 5.478/6.555 6.018 ± 0.6588
ea13 1342 1342/1342 1342 ± 0 6.468 5.934/6.747 6.389 ± 0.5076
ea15 1342 1342/1342 1342 ± 0 6.178 5.651/6.685 6.23 ± 0.6596
ea16 1342 1342/1342 1342 ± 0.000004383 6.135 5.863/6.953 6.393 ± 0.7542
ea17 1342 1342/1342 1342 ± 0.000008362 6.271 5.925/7.149 6.546 ± 0.7231
ea18 1342 1342/1342 1342 ± 0 4.957 4.842/5.713 5.212 ± 0.502
ea19 1342 1342/1342 1342 ± 0 6.108 5.617/6.765 6.206 ± 0.6098
ea20 1342 1342/1342 1342 ± 0 5.866 5.569/6.718 6.134 ± 0.6598
ea21 1342 1342/1342 1342 ± 0 5.825 5.6/6.629 6.087 ± 0.6132
ea22 1342 1342/1342 1342 ± 0 6.003 5.199/6.338 5.825 ± 0.6048
ea23 1342 1342/1342 1342 ± 0 5.706 5.587/6.726 6.182 ± 0.7433
ea24 1342 1342/1342 1342 ± 0.000001172 6.047 5.64/6.796 6.219 ± 0.6112
ea25 1342 1342/1342 1342 ± 0 5.52 5.386/6.368 5.908 ± 0.6305
ea26 1342 1342/1342 1342 ± 0 6.531 5.999/7.224 6.606 ± 0.6852
ea27 1342 1342/1342 1342 ± 0.000001172 5.7 5.478/6.567 5.953 ± 0.6437
ea28 1342 1342/1342 1342 ± 0 5.607 5.419/6.439 5.923 ± 0.6044
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 ± 0.00002307 5.551 5.339/5.737 5.5 ± 0.2901
4 1342 1342/1342 1342 ± 0.00003059 5.259 4.964/5.462 5.236 ± 0.3672
5 1342 1342/1342 1342 ± 0.00002307 5.501 5.313/5.628 5.477 ± 0.3398
6 1342 1342/1342 1342 ± 0.00002307 5.559 5.333/5.711 5.475 ± 0.314
7 1342 1342/1342 1342 ± 0.00002307 5.564 5.427/5.698 5.529 ± 0.2913
8 1342 1342/1342 1342 ± 0.00002307 5.511 5.303/5.666 5.464 ± 0.3312
9 1342 1342/1342 1342 ± 0.00002307 5.844 5.477/6.083 5.764 ± 0.3628
10 1342 1342/1342 1342 ± 0.00002307 6.25 6.013/6.449 6.198 ± 0.3484
11 1342 1342/1342 1342 ± 0.00002307 6.499 6.292/6.674 6.436 ± 0.3588
12 1342 1342/1342 1342 ± 0.00002307 6.642 6.434/6.783 6.591 ± 0.3963
13 1342 1342/1342 1342 ± 0.00002307 7.124 6.909/7.241 7.042 ± 0.4214
14 1342 1342/1342 1342 ± 0.00002307 7.289 7.054/7.501 7.222 ± 0.4519
15 1342 1342/1342 1342 ± 0.00002307 6.781 6.518/7.081 6.743 ± 0.4467
16 1342 1342/1342 1342 ± 0.00002372 5.768 5.476/6.063 5.778 ± 0.4731
17 1342 1342/1342 1342 ± 0.0000235 5.949 5.628/6.267 5.928 ± 0.5018
datacolumn
residual_data
vis
VLASS2.1.sb38625952.eb38714976.59133.44101303241_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
Start time
2025-01-11 13:51:27.290
End
2025-01-11 14:58:34.748
Duration
1:07:07.458
Note, WebLog generation is not included in the time.

CASA logs for stage 8