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

Statwt Summary Plot

VLASS2.1.sb38613707.eb38659860.59113.15663519676_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 5.849 5.406/6.202 5.871 ± 0.5325
ea02 1342 1342/1342 1342 ± 0 5.97 5.558/6.679 6.152 ± 0.6444
ea04 1342 1342/1342 1342 ± 0 5.62 5.206/6.31 5.754 ± 0.5745
ea05 1342 1342/1342 1342 ± 0 6.053 5.496/6.545 5.975 ± 0.6059
ea06 1342 1342/1342 1342 ± 0 4.935 4.737/5.278 5.008 ± 0.3296
ea07 1342 1342/1342 1342 ± 0 6.245 5.568/6.407 6.161 ± 0.5836
ea08 1342 1342/1342 1342 ± 0.000007791 6.088 5.742/6.907 6.369 ± 0.6883
ea09 1342 1342/1342 1342 ± 0 5.697 5.358/6.587 5.926 ± 0.6347
ea10 1342 1342/1342 1342 ± 0 6.246 5.471/6.783 6.164 ± 0.672
ea11 1342 1342/1342 1342 ± 0 6.117 5.314/6.56 6.06 ± 0.6954
ea12 1342 1342/1342 1342 ± 0 5.546 5.45/5.653 5.558 ± 0.1574
ea13 1342 1342/1342 1342 ± 0 6.385 6.099/6.602 6.468 ± 0.4887
ea14 1342 1342/1342 1342 ± 0 6.107 5.447/6.702 6.109 ± 0.6844
ea15 1342 1342/1342 1342 ± 0 6.011 5.48/6.587 6.116 ± 0.6847
ea16 1342 1342/1342 1342 ± 0 6.324 5.81/6.946 6.452 ± 0.7259
ea17 1342 1342/1342 1342 ± 0 6.128 5.724/7.017 6.282 ± 0.6273
ea18 1342 1342/1342 1342 ± 0 5.171 4.798/5.631 5.242 ± 0.5404
ea19 1342 1342/1342 1342 ± 0 6.371 5.726/6.924 6.411 ± 0.6714
ea20 1342 1342/1342 1342 ± 0 6.404 5.791/6.889 6.38 ± 0.636
ea21 1342 1342/1342 1342 ± 0 6.09 5.541/6.496 6.077 ± 0.5718
ea22 1342 1342/1342 1342 ± 0 5.575 5.371/6.381 5.888 ± 0.6498
ea23 1342 1342/1342 1342 ± 0 6.314 5.648/6.697 6.296 ± 0.689
ea25 1342 1342/1342 1342 ± 0 5.871 5.456/6.383 5.953 ± 0.5674
ea26 1342 1342/1342 1342 ± 0 6.17 5.83/7.106 6.409 ± 0.6602
ea27 1342 1342/1342 1342 ± 0.00002169 5.824 5.494/6.525 5.963 ± 0.5705
ea28 1342 1342/1342 1342 ± 0.00003233 5.771 5.61/6.662 6.149 ± 0.6465
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 ± 0.00002349 5.497 5.37/5.771 5.524 ± 0.2983
4 1342 1342/1342 1342 ± 0.00002382 5.562 5.259/5.674 5.469 ± 0.3543
5 1342 1342/1342 1342 ± 0.00002349 5.567 5.324/5.743 5.555 ± 0.341
6 1342 1342/1342 1342 ± 0.00002349 5.491 5.288/5.621 5.451 ± 0.3536
7 1342 1342/1342 1342 ± 0.00002349 5.501 5.369/5.703 5.493 ± 0.2893
8 1342 1342/1342 1342 ± 0.00002349 5.536 5.294/5.668 5.451 ± 0.3128
9 1342 1342/1342 1342 ± 0.00002349 5.761 5.573/5.996 5.715 ± 0.3548
10 1342 1342/1342 1342 ± 0.00002382 6.223 6.047/6.361 6.15 ± 0.3545
11 1342 1342/1342 1342 ± 0.00002394 6.455 6.243/6.571 6.364 ± 0.369
12 1342 1342/1342 1342 ± 0.00002441 6.578 6.404/6.786 6.524 ± 0.4019
13 1342 1342/1342 1342 ± 0.00002394 7.048 6.958/7.265 7.003 ± 0.428
14 1342 1342/1342 1342 ± 0.00002394 7.334 7.052/7.532 7.205 ± 0.4733
15 1342 1342/1342 1342 ± 0.00002394 6.937 6.734/7.186 6.844 ± 0.4789
16 1342 1342/1342 1342 ± 0.00003233 6.163 5.789/6.39 6.114 ± 0.4646
17 1342 1342/1342 1342 ± 0.00003137 6.203 5.723/6.497 6.142 ± 0.4603
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38613707.eb38659860.59113.15663519676_split_split.ms
statwtmode
VLASS-SE
output_dir
 
Start time
2024-04-13 06:37:37.657
End
2024-04-13 07:52:02.736
Duration
1:14:25.079
Note, WebLog generation is not included in the time.

CASA logs for stage 7