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

Statwt Summary Plot

VLASS2.1.sb38664748.eb38688475.59125.74132475695_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 5.071 4.935/5.916 5.289 ± 0.5912
ea02 1342 1342/1342 1342 ± 0.00004259 5.395 5.054/6.471 5.633 ± 0.826
ea03 1342 1342/1342 1342 ± 0.0000277 4.741 4.522/5.895 5.111 ± 0.6839
ea04 1342 1342/1342 1342 ± 0.00002355 5.125 4.849/5.967 5.28 ± 0.6425
ea05 1342 1342/1342 1342 ± 0.0000215 5.314 4.947/6.198 5.488 ± 0.6532
ea06 1342 1342/1342 1342 ± 0.00003425 4.823 4.635/5.592 5.026 ± 0.5731
ea07 1342 1342/1342 1342 ± 0.00004003 5.298 5.085/6.114 5.539 ± 0.679
ea08 1342 1342/1342 1342 ± 0.00004094 5.576 5.319/6.735 5.866 ± 0.8873
ea09 1342 1342/1342 1342 ± 0.00003638 5.204 4.951/6.329 5.475 ± 0.7231
ea10 1342 1342/1342 1342 ± 0.00004229 5.139 4.983/6.32 5.486 ± 0.7814
ea11 1342 1342/1342 1342 ± 0.00004367 5.295 4.831/6.203 5.415 ± 0.7564
ea12 1342 1342/1342 1342 ± 0.00003846 5.293 5.054/6.298 5.499 ± 0.7346
ea13 1342 1342/1342 1342 ± 0.00003581 5.623 5.532/6.367 5.872 ± 0.6898
ea14 1342 1342/1342 1342 ± 0.00002298 5.226 4.924/6.256 5.444 ± 0.7142
ea15 1342 1342/1342 1342 ± 0.00001504 5.084 4.814/6.156 5.461 ± 0.7663
ea16 1342 1342/1342 1342 ± 0.00003433 5.476 5.309/6.593 5.76 ± 0.8236
ea17 1342 1342/1342 1342 ± 0.00004742 5.698 5.326/6.627 5.862 ± 0.7958
ea18 1342 1342/1342 1342 ± 0.00004207 4.578 4.396/5.423 4.792 ± 0.5323
ea19 1342 1342/1342 1342 ± 0.0000102 5.351 5.113/6.259 5.564 ± 0.6576
ea21 1342 1342/1342 1342 ± 0.00003022 5.249 5.033/6.182 5.48 ± 0.6626
ea22 1342 1342/1342 1342 ± 0.00004218 5.218 4.868/6.315 5.452 ± 0.7781
ea23 1342 1342/1342 1342 ± 0.00004265 5.322 5.015/6.426 5.597 ± 0.7898
ea25 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea26 1342 1342/1342 1342 ± 0.00003662 5.534 5.272/6.711 5.822 ± 0.7827
ea27 1342 1342/1342 1342 ± 0.00004695 5.188 4.907/6.259 5.429 ± 0.7183
ea28 1342 1342/1342 1342 ± 0.00004262 5.202 4.929/6.14 5.382 ± 0.7048
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 ± 0.00002394 5.095 4.982/5.284 5.095 ± 0.2328
3 1342 1342/1342 1342 ± 0.0000486 4.864 4.62/5.198 4.886 ± 0.3596
5 1342 1342/1342 1342 ± 0.00002394 4.961 4.846/5.21 5.033 ± 0.2975
6 1342 1342/1342 1342 ± 0.00002394 5.063 4.926/5.222 5.066 ± 0.2755
7 1342 1342/1342 1342 ± 0.00002394 5.104 5.02/5.208 5.126 ± 0.2339
8 1342 1342/1342 1342 ± 0.00002394 5.085 4.938/5.296 5.108 ± 0.2619
9 1342 1342/1342 1342 ± 0.00002394 5.396 5.297/5.684 5.429 ± 0.3018
10 1342 1342/1342 1342 ± 0.00002394 5.816 5.7/6.034 5.827 ± 0.3116
11 1342 1342/1342 1342 ± 0.00002394 6.147 6.007/6.286 6.101 ± 0.2969
12 1342 1342/1342 1342 ± 0.00002394 6.315 6.142/6.44 6.274 ± 0.3063
13 1342 1342/1342 1342 ± 0.00002402 6.54 6.369/6.659 6.511 ± 0.328
14 1342 1342/1342 1342 ± 0.00002936 6.471 6.235/6.682 6.444 ± 0.4131
15 1342 1342/1342 1342 ± 0.00002445 6.41 6.243/6.67 6.416 ± 0.399
16 1342 1342/1342 1342 ± 0.00005339 4.396 4.253/4.523 4.387 ± 0.2221
17 1342 1342/1342 1342 ± 0.00005744 4.418 4.278/4.556 4.411 ± 0.2188
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38664748.eb38688475.59125.74132475695_split_split.ms
output_dir
 
Start time
2025-01-04 10:43:16.215
End
2025-01-04 11:38:42.224
Duration
0:55:26.009
Note, WebLog generation is not included in the time.

CASA logs for stage 8