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

Statwt Summary Plot

VLASS2.2.sb40528187.eb40882891.59510.17895375_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 6.091 5.704/6.65 6.221 ± 0.614
ea02 1342 1342/1342 1342 ± 0.00002955 6.126 5.479/6.687 6.055 ± 0.8846
ea03 1342 1342/1342 1342 ± 0 5.571 5.166/6.431 5.72 ± 0.827
ea04 1342 1342/1342 1342 ± 0 5.767 5.271/6.481 5.866 ± 0.6161
ea06 1342 1342/1342 1342 ± 0 6.15 5.651/6.622 6.196 ± 0.6206
ea07 1342 1342/1342 1342 ± 0 6.059 5.484/6.463 6.081 ± 0.6308
ea08 1342 1342/1342 1342 ± 0 6.145 5.72/6.869 6.333 ± 0.7287
ea09 1342 1342/1342 1342 ± 0 6.04 5.458/6.796 6.102 ± 0.7042
ea10 1342 1342/1342 1342 ± 0 6.128 5.489/6.748 6.096 ± 0.7297
ea11 1342 1342/1342 1342 ± 0 6.268 5.449/6.719 6.181 ± 0.7622
ea12 1342 1342/1342 1342 ± 0 6.074 5.578/6.687 6.199 ± 0.747
ea13 1342 1342/1342 1342 ± 0 5.974 5.732/6.503 6.129 ± 0.5665
ea14 1342 1342/1342 1342 ± 0 6.414 5.676/6.885 6.382 ± 0.7131
ea15 1342 1342/1342 1342 ± 0 5.61 5.038/5.977 5.561 ± 0.6854
ea16 1342 1342/1342 1342 ± 0 6.197 5.715/6.815 6.31 ± 0.7488
ea17 1342 1342/1342 1342 ± 0 6.494 6.172/7.352 6.742 ± 0.6917
ea18 1342 1342/1342 1342 ± 0 4.531 4.275/4.925 4.629 ± 0.4258
ea19 1342 1342/1342 1342 ± 0 6.316 5.82/6.93 6.44 ± 0.733
ea20 1342 1342/1342 1342 ± 0 5.989 5.673/6.731 6.136 ± 0.7761
ea21 1342 1342/1342 1342 ± 0 6.007 5.646/6.618 6.157 ± 0.6365
ea22 1342 1342/1342 1342 ± 0 6.372 5.547/6.779 6.243 ± 0.7277
ea23 1342 1342/1342 1342 ± 0 6.244 5.722/6.683 6.26 ± 0.7904
ea24 1342 1342/1342 1342 ± 0 5.909 5.199/6.408 5.83 ± 0.588
ea25 1342 1342/1342 1342 ± 0 6.629 5.771/7.137 6.538 ± 0.8227
ea26 1342 1342/1342 1342 ± 0 6.358 5.85/7.224 6.466 ± 0.7231
ea27 1342 1342/1342 1342 ± 0 6.04 5.518/6.881 6.151 ± 0.7983
ea28 1342 1342/1342 1342 ± 0 6.133 5.823/6.951 6.374 ± 0.79
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 ± 0.00002305 5.648 5.456/5.87 5.592 ± 0.3411
3 1342 1342/1342 1342 ± 0.0000266 4.991 4.561/5.313 4.938 ± 0.5793
4 1342 1342/1342 1342 ± 0.00002436 5.448 5.216/5.602 5.387 ± 0.4377
5 1342 1342/1342 1342 ± 0.00002305 5.662 5.347/5.784 5.558 ± 0.395
6 1342 1342/1342 1342 ± 0.00002305 5.589 5.343/5.751 5.51 ± 0.3343
7 1342 1342/1342 1342 ± 0.00002305 5.665 5.435/5.767 5.572 ± 0.3409
8 1342 1342/1342 1342 ± 0.00002305 5.554 5.337/5.784 5.524 ± 0.3748
9 1342 1342/1342 1342 ± 0.00002305 5.934 5.704/6.091 5.844 ± 0.4032
10 1342 1342/1342 1342 ± 0.00002305 6.419 6.217/6.513 6.292 ± 0.422
11 1342 1342/1342 1342 ± 0.00002305 6.633 6.421/6.77 6.524 ± 0.4282
12 1342 1342/1342 1342 ± 0.00002305 6.776 6.571/6.825 6.667 ± 0.4607
13 1342 1342/1342 1342 ± 0.00002305 7.242 6.999/7.471 7.162 ± 0.4932
14 1342 1342/1342 1342 ± 0.00002305 7.475 7.315/7.723 7.39 ± 0.5013
15 1342 1342/1342 1342 ± 0.00002305 7.113 6.927/7.337 7.029 ± 0.4734
16 1342 1342/1342 1342 ± 0.00002305 6.364 6.149/6.709 6.345 ± 0.4597
17 1342 1342/1342 1342 ± 0.00002305 6.346 6.082/6.593 6.297 ± 0.4611
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
vis
VLASS2.2.sb40528187.eb40882891.59510.17895375_split_split.ms
Start time
2025-05-24 01:23:50.976
End
2025-05-24 02:46:41.537
Duration
1:22:50.561
Note, WebLog generation is not included in the time.

CASA logs for stage 8