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

Statwt Summary Plot

VLASS2.1.sb38523814.eb38632964.59098.28982543982_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 5.726 5.407/6.14 5.817 ± 0.5299
ea02 1342 1342/1342 1342 ± 0 6.084 5.549/6.724 6.169 ± 0.6512
ea04 1342 1342/1342 1342 ± 0 5.506 5.216/6.078 5.693 ± 0.5567
ea05 1342 1342/1342 1342 ± 0 5.775 5.368/6.23 5.83 ± 0.5965
ea06 1342 1342/1342 1342 ± 0 4.824 4.629/5.327 4.96 ± 0.3968
ea07 1342 1342/1342 1342 ± 0 6.061 5.617/6.394 6.141 ± 0.5687
ea08 1342 1342/1342 1342 ± 0.0000011 6.02 5.684/6.839 6.262 ± 0.6522
ea09 1342 1342/1342 1342 ± 0 5.782 5.317/6.349 5.876 ± 0.6536
ea10 1342 1342/1342 1342 ± 0.000003476 5.979 5.501/6.751 6.09 ± 0.6708
ea11 1342 1342/1342 1342 ± 0 5.947 5.307/6.438 5.953 ± 0.6515
ea12 1342 1342/1342 1342 ± 0 5.844 5.492/6.478 6.056 ± 0.6371
ea13 1342 1342/1342 1342 ± 0 6.208 5.866/6.539 6.272 ± 0.5295
ea14 1342 1342/1342 1342 ± 0 5.877 5.347/6.427 5.957 ± 0.6491
ea15 1342 1342/1342 1342 ± 0 5.675 5.203/6.312 5.834 ± 0.7048
ea16 1342 1342/1342 1342 ± 0 6.308 5.811/6.851 6.417 ± 0.7211
ea17 1342 1342/1342 1342 ± 0.000005226 6.135 5.745/6.891 6.281 ± 0.6356
ea18 1342 1342/1342 1342 ± 0 5.115 4.836/5.624 5.258 ± 0.513
ea19 1342 1342/1342 1342 ± 0 5.818 5.637/6.798 6.247 ± 0.6927
ea20 1342 1342/1342 1342 ± 0 6.199 5.827/6.815 6.353 ± 0.6523
ea21 1342 1342/1342 1342 ± 0 5.803 5.496/6.352 5.96 ± 0.5725
ea22 1342 1342/1342 1342 ± 0 6.001 5.314/6.466 5.907 ± 0.6235
ea23 1342 1342/1342 1342 ± 0 6.279 5.674/6.743 6.278 ± 0.6824
ea25 1342 1342/1342 1342 ± 0.000001904 5.745 5.363/6.315 5.856 ± 0.5848
ea26 1342 1342/1342 1342 ± 0 6.183 5.713/6.753 6.317 ± 0.6741
ea27 1342 1342/1342 1342 ± 0.00001588 5.685 5.511/6.519 5.933 ± 0.5966
ea28 1342 1342/1342 1342 ± 0.00001163 5.778 5.54/6.55 6.014 ± 0.6568
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 ± 0.00002348 5.496 5.28/5.679 5.47 ± 0.2838
3 1342 1342/1342 1342 ± 0.00002526 5.271 5.112/5.592 5.309 ± 0.3164
4 1342 1342/1342 1342 ± 0.00002445 5.392 5.098/5.576 5.302 ± 0.3195
5 1342 1342/1342 1342 ± 0.00002348 5.539 5.272/5.738 5.504 ± 0.3439
6 1342 1342/1342 1342 ± 0.00002348 5.475 5.233/5.638 5.433 ± 0.3079
7 1342 1342/1342 1342 ± 0.00002348 5.496 5.322/5.675 5.471 ± 0.2948
8 1342 1342/1342 1342 ± 0.00002348 5.485 5.266/5.61 5.413 ± 0.3182
9 1342 1342/1342 1342 ± 0.00002348 5.747 5.504/6.004 5.697 ± 0.3693
10 1342 1342/1342 1342 ± 0.00002392 6.145 5.945/6.367 6.114 ± 0.3433
11 1342 1342/1342 1342 ± 0.00002392 6.405 6.196/6.53 6.327 ± 0.3504
12 1342 1342/1342 1342 ± 0.00002348 6.507 6.41/6.747 6.505 ± 0.3794
13 1342 1342/1342 1342 ± 0.00002348 7.008 6.912/7.217 6.986 ± 0.4065
14 1342 1342/1342 1342 ± 0.00002348 7.281 7.01/7.474 7.166 ± 0.4489
15 1342 1342/1342 1342 ± 0.00002348 6.784 6.561/7.052 6.723 ± 0.4279
16 1342 1342/1342 1342 ± 0.00002584 6.09 5.945/6.44 6.119 ± 0.3859
17 1342 1342/1342 1342 ± 0.00002577 6.122 5.948/6.337 6.118 ± 0.3585
datacolumn
residual_data
output_dir
 
vis
VLASS2.1.sb38523814.eb38632964.59098.28982543982_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-01-07 09:53:05.589
End
2025-01-07 11:00:46.486
Duration
1:07:40.898
Note, WebLog generation is not included in the time.

CASA logs for stage 8