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

Statwt Summary Plot

VLASS2.2.sb41027522.eb41031268.59557.25108456019_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 6.255 5.834/6.893 6.353 ± 0.7791
ea03 1342 1342/1342 1342 ± 0 5.592 5.085/6.543 5.732 ± 0.8894
ea04 1342 1342/1342 1342 ± 0 5.58 5.217/6.435 5.86 ± 0.8177
ea05 1342 1342/1342 1342 ± 0 6.172 5.64/7.065 6.241 ± 0.9156
ea06 1342 1342/1342 1342 ± 0 6.133 5.624/6.605 6.126 ± 0.7572
ea07 1342 1342/1342 1342 ± 0 6.284 5.417/6.471 6.077 ± 0.7477
ea08 1342 1342/1342 1342 ± 0 6.068 5.466/6.836 6.128 ± 0.8566
ea09 1342 1342/1342 1342 ± 0 6.102 5.524/6.829 6.151 ± 0.9087
ea10 1342 1342/1342 1342 ± 0 6.295 5.602/7.081 6.249 ± 0.9331
ea11 1342 1342/1342 1342 ± 0.000001284 6.385 5.401/6.82 6.134 ± 0.9211
ea12 1342 1342/1342 1342 ± 0 6.531 5.667/6.901 6.344 ± 0.9065
ea13 1342 1342/1342 1342 ± 0 5.797 5.727/6.42 6.052 ± 0.5296
ea14 1342 1342/1342 1342 ± 0 6.322 5.693/6.986 6.33 ± 0.9076
ea15 1342 1342/1342 1342 ± 0 5.849 5.372/6.451 5.894 ± 0.7707
ea16 1342 1342/1342 1342 ± 0 6.513 5.857/7.031 6.484 ± 0.8497
ea17 1342 1342/1342 1342 ± 0 6.807 6.245/7.796 6.917 ± 0.875
ea18 1342 1342/1342 1342 ± 0 5.262 4.792/5.665 5.286 ± 0.5265
ea19 1342 1342/1342 1342 ± 0 6.702 5.809/7.251 6.512 ± 0.8388
ea20 1342 1342/1342 1342 ± 0 5.978 5.549/6.701 6.098 ± 0.8372
ea21 1342 1342/1342 1342 ± 0 5.472 5.139/6.064 5.584 ± 0.5892
ea22 1342 1342/1342 1342 ± 0.00000287 6.389 5.434/6.762 6.104 ± 0.8211
ea23 1342 1342/1342 1342 ± 0 6.383 5.769/6.878 6.415 ± 0.7595
ea24 1342 1342/1342 1342 ± 0 5.997 5.332/6.59 5.909 ± 0.7155
ea25 1342 1342/1342 1342 ± 0 6.718 5.729/7.149 6.475 ± 0.9497
ea26 1342 1342/1342 1342 ± 0 6.555 6/7.501 6.532 ± 1.035
ea27 1342 1342/1342 1342 ± 0 6.125 5.571/7.008 6.162 ± 0.8694
ea28 1342 1342/1342 1342 ± 0 6.191 5.855/7.068 6.4 ± 0.8384
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 ± 0.00002306 5.613 5.35/5.807 5.569 ± 0.3214
3 1342 1342/1342 1342 ± 0.00002384 5.258 5.031/5.413 5.257 ± 0.3356
4 1342 1342/1342 1342 ± 0.00002713 4.343 4.125/4.417 4.343 ± 0.2762
5 1342 1342/1342 1342 ± 0.00002306 5.699 5.333/5.798 5.582 ± 0.3457
6 1342 1342/1342 1342 ± 0.00002306 5.581 5.398/5.772 5.543 ± 0.3
7 1342 1342/1342 1342 ± 0.00002306 5.66 5.436/5.812 5.613 ± 0.3064
8 1342 1342/1342 1342 ± 0.00002306 5.5 5.293/5.777 5.545 ± 0.3422
9 1342 1342/1342 1342 ± 0.00002306 5.881 5.618/6.11 5.852 ± 0.3321
10 1342 1342/1342 1342 ± 0.00002306 6.552 6.27/6.668 6.433 ± 0.3402
11 1342 1342/1342 1342 ± 0.00002306 6.754 6.488/6.932 6.677 ± 0.3588
12 1342 1342/1342 1342 ± 0.00002306 6.882 6.578/7.04 6.814 ± 0.427
13 1342 1342/1342 1342 ± 0.00002306 7.375 7.096/7.739 7.353 ± 0.4606
14 1342 1342/1342 1342 ± 0.00002306 7.611 7.205/7.88 7.548 ± 0.4664
15 1342 1342/1342 1342 ± 0.00002306 7.135 6.8/7.44 7.13 ± 0.4347
16 1342 1342/1342 1342 ± 0.00002306 6.414 6.209/6.815 6.459 ± 0.4256
17 1342 1342/1342 1342 ± 0.00002306 6.467 6.235/6.634 6.404 ± 0.4432
statwtmode
VLASS-SE
vis
VLASS2.2.sb41027522.eb41031268.59557.25108456019_split_split.ms
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-06-11 05:05:53.436
End
2025-06-11 05:50:53.450
Duration
0:45:00.014
Note, WebLog generation is not included in the time.

CASA logs for stage 8