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

Statwt Summary Plot

VLASS2.1.sb38487128.eb38624732.59090.114586261574_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 5.392 5.275/6.095 5.492 ± 0.7258
ea02 1342 1342/1342 1342 ± 0.00004292 5.964 5.418/6.661 5.787 ± 0.9879
ea04 1342 1342/1342 1342 ± 0.00001771 5.192 5.061/6.001 5.396 ± 0.7047
ea05 1342 1342/1342 1342 ± 0.00002369 5.44 5.108/6.463 5.672 ± 0.7576
ea06 1342 1342/1342 1342 ± 0 5.258 4.781/5.33 4.921 ± 0.6961
ea07 1342 1342/1342 1342 ± 0.00004233 5.889 5.472/6.303 5.834 ± 0.8211
ea08 1342 1342/1342 1342 ± 0.00003979 5.908 5.545/6.773 5.979 ± 0.9014
ea09 1342 1342/1342 1342 ± 0.00001957 5.447 5.192/6.409 5.57 ± 0.8007
ea10 1342 1342/1342 1342 ± 0.0000415 5.568 5.274/6.571 5.734 ± 0.8751
ea11 1342 1342/1342 1342 ± 0.0000334 5.524 5.123/6.4 5.662 ± 0.8714
ea12 1342 1342/1342 1342 ± 0 5.687 5.397/6.53 5.788 ± 0.9009
ea13 1342 1342/1342 1342 ± 0.000007353 5.869 5.735/6.45 5.94 ± 0.7686
ea14 1342 1342/1342 1342 ± 0.00001138 5.657 5.319/6.549 5.804 ± 0.7859
ea15 1342 1342/1342 1342 ± 0 5.193 4.902/6.113 5.447 ± 0.7931
ea16 1342 1342/1342 1342 ± 0.00002526 5.922 5.523/6.872 6.051 ± 0.913
ea17 1342 1342/1342 1342 ± 0.00004207 5.763 5.541/6.739 5.897 ± 0.8775
ea18 1342 1342/1342 1342 ± 0.00002619 5.059 4.779/5.713 5.077 ± 0.6847
ea19 1342 1342/1342 1342 ± 0.00001038 5.696 5.531/6.729 5.965 ± 0.8289
ea20 1342 1342/1342 1342 ± 0.000006073 5.855 5.602/6.865 5.978 ± 0.9593
ea21 1342 1342/1342 1342 ± 0.00002165 5.516 5.367/6.34 5.684 ± 0.7533
ea22 1342 1342/1342 1342 ± 0.00003375 5.43 5.021/6.448 5.519 ± 0.88
ea23 1342 1342/1342 1342 ± 0.00004221 5.692 5.569/6.613 5.924 ± 0.9082
ea25 1342 1342/1342 1342 ± 0.00004149 5.254 4.991/6.258 5.491 ± 0.8131
ea26 1342 1342/1342 1342 ± 0.000002936 5.84 5.496/6.896 5.997 ± 0.8587
ea27 1342 1342/1342 1342 ± 0.00004482 5.424 5.126/6.399 5.56 ± 0.8028
ea28 1342 1342/1342 1342 ± 0.0000427 5.639 5.45/6.492 5.784 ± 0.8158
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 ± 0.00002392 5.531 5.29/5.801 5.52 ± 0.2654
3 1342 1342/1342 1342 ± 0.00003201 5.179 4.943/5.371 5.164 ± 0.2627
5 1342 1342/1342 1342 ± 0.00002454 5.453 5.254/5.592 5.446 ± 0.2615
6 1342 1342/1342 1342 ± 0.00002392 5.441 5.287/5.56 5.406 ± 0.2745
7 1342 1342/1342 1342 ± 0.00002392 5.423 5.236/5.551 5.415 ± 0.2448
8 1342 1342/1342 1342 ± 0.00002392 5.42 5.148/5.517 5.36 ± 0.2428
9 1342 1342/1342 1342 ± 0.00002392 5.691 5.434/5.908 5.633 ± 0.2956
10 1342 1342/1342 1342 ± 0.00002348 6.07 5.856/6.247 6.009 ± 0.3371
11 1342 1342/1342 1342 ± 0.00002348 6.381 6.176/6.482 6.276 ± 0.3448
12 1342 1342/1342 1342 ± 0.00002348 6.508 6.304/6.666 6.451 ± 0.3684
13 1342 1342/1342 1342 ± 0.00002348 6.83 6.662/7.023 6.78 ± 0.3841
14 1342 1342/1342 1342 ± 0.00003159 6.797 6.479/6.989 6.712 ± 0.4606
15 1342 1342/1342 1342 ± 0.0000235 6.74 6.486/7.009 6.692 ± 0.4968
16 1342 1342/1342 1342 ± 0.00006103 4.192 4.029/4.381 4.183 ± 0.2545
17 1342 1342/1342 1342 ± 0.00006063 4.159 4.013/4.37 4.181 ± 0.2612
datacolumn
residual_data
vis
VLASS2.1.sb38487128.eb38624732.59090.114586261574_split_split.ms
overwrite_modelcol
False
output_dir
 
statwtmode
VLASS-SE
Start time
2024-04-17 07:13:22.543
End
2024-04-17 08:23:33.848
Duration
1:10:11.305
Note, WebLog generation is not included in the time.

CASA logs for stage 7