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

Statwt Summary Plot

VLASS2.1.sb38520431.eb38554942.59063.924480127316_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 5.453 5.368/5.93 5.661 ± 0.4813
ea02 1342 1342/1342 1342 ± 0 5.909 5.409/6.401 5.916 ± 0.5613
ea04 1342 1342/1342 1342 ± 0 5.639 5.313/6.171 5.761 ± 0.4976
ea05 1342 1342/1342 1342 ± 0 5.867 5.438/6.187 5.856 ± 0.502
ea06 1342 1342/1342 1342 ± 0 3.093 3/3.357 3.172 ± 0.1898
ea07 1342 1342/1342 1342 ± 0 5.594 5.492/5.849 5.628 ± 0.1922
ea08 1342 1342/1342 1342 ± 0 5.94 5.552/6.561 6.063 ± 0.6259
ea09 1342 1342/1342 1342 ± 0 5.027 4.9/5.534 5.199 ± 0.3811
ea10 1342 1342/1342 1342 ± 0 5.593 5.355/6.348 5.788 ± 0.5299
ea11 1342 1342/1342 1342 ± 0 5.8 5.536/6.392 5.977 ± 0.5095
ea12 1342 1342/1342 1342 ± 0 5.999 5.496/6.378 5.99 ± 0.5441
ea13 1342 1342/1342 1342 ± 0 5.995 5.762/6.27 6.082 ± 0.4284
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea16 1342 1342/1342 1342 ± 0 5.185 5.015/5.327 5.189 ± 0.2864
ea17 1342 1342/1342 1342 ± 0.00001407 6.096 5.808/6.544 6.215 ± 0.5416
ea18 1342 1342/1342 1342 ± 0 5.206 4.943/5.688 5.311 ± 0.4108
ea19 1342 1342/1342 1342 ± 0 6.569 6.224/6.836 6.582 ± 0.3439
ea21 1342 1342/1342 1342 ± 0 5.806 5.514/6.331 5.939 ± 0.4906
ea22 1342 1342/1342 1342 ± 0 5.346 5.153/6.089 5.57 ± 0.5521
ea23 1342 1342/1342 1342 ± 0 6.053 5.543/6.494 6.079 ± 0.5916
ea25 1342 1342/1342 1342 ± 0.000002142 5.447 5.4/5.535 5.452 ± 0.1378
ea26 1342 1342/1342 1342 ± 0 5.823 5.721/6.594 6.088 ± 0.5302
ea27 1342 1342/1342 1342 ± 0.00001083 5.56 5.34/6.226 5.739 ± 0.5027
ea28 1342 1342/1342 1342 ± 0.00001525 5.698 5.462/6.409 5.886 ± 0.5954
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 ± 0.000026 5.546 5.36/5.778 5.514 ± 0.3012
3 1342 1342/1342 1342 ± 0.00003347 5.325 5.068/5.657 5.344 ± 0.3304
4 1342 1342/1342 1342 ± 0.000026 5.366 5.204/5.534 5.326 ± 0.2839
5 1342 1342/1342 1342 ± 0.000026 5.457 5.322/5.64 5.469 ± 0.2859
6 1342 1342/1342 1342 ± 0.000026 5.424 5.249/5.554 5.401 ± 0.2584
7 1342 1342/1342 1342 ± 0.000026 5.423 5.313/5.536 5.413 ± 0.2348
8 1342 1342/1342 1342 ± 0.000026 5.427 5.171/5.495 5.363 ± 0.2777
9 1342 1342/1342 1342 ± 0.000026 5.719 5.367/5.883 5.611 ± 0.3376
10 1342 1342/1342 1342 ± 0.000026 6.022 5.841/6.153 5.829 ± 0.6286
11 1342 1342/1342 1342 ± 0.000026 6.254 5.976/6.391 6.001 ± 0.7528
12 1342 1342/1342 1342 ± 0.000026 6.366 6.072/6.473 6.143 ± 0.7627
13 1342 1342/1342 1342 ± 0.000026 6.739 6.453/6.971 6.496 ± 0.8149
14 1342 1342/1342 1342 ± 0.000026 6.848 6.641/7.063 6.63 ± 0.8381
15 1342 1342/1342 1342 ± 0.000026 6.411 6.201/6.631 6.187 ± 0.8142
16 1342 1342/1342 1342 ± 0.00002995 5.589 5.302/6.021 5.535 ± 0.7111
17 1342 1342/1342 1342 ± 0.00002721 5.618 5.395/6.088 5.581 ± 0.6908
datacolumn
residual_data
vis
VLASS2.1.sb38520431.eb38554942.59063.924480127316_split_split.ms
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2024-03-29 08:39:58.541
End
2024-03-29 09:56:46.489
Duration
1:16:47.948
Note, WebLog generation is not included in the time.

CASA logs for stage 7