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

Statwt Summary Plot

VLASS2.1.sb38602933.eb38631109.59096.27884142361_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 5.415 5.269/5.989 5.488 ± 0.7688
ea02 1342 1342/1342 1342 ± 0.00004171 6.106 5.503/6.752 5.923 ± 0.9812
ea04 1342 1342/1342 1342 ± 0 5.468 5.104/6.111 5.463 ± 0.843
ea05 1342 1342/1342 1342 ± 0.00001028 5.578 5.105/6.349 5.661 ± 0.7734
ea06 1342 1342/1342 1342 ± 0.000004842 4.907 4.744/5.317 4.823 ± 0.6692
ea07 1342 1342/1342 1342 ± 0.00004274 5.967 5.348/6.403 5.775 ± 0.8556
ea08 1342 1342/1342 1342 ± 0.00004277 6.093 5.678/6.883 6.037 ± 1.004
ea09 1342 1342/1342 1342 ± 0.000008654 5.607 5.182/6.632 5.725 ± 0.8149
ea10 1342 1342/1342 1342 ± 0.00004388 6.02 5.383/6.644 5.807 ± 0.9405
ea11 1342 1342/1342 1342 ± 0.00004351 5.938 5.314/6.605 5.772 ± 0.9983
ea12 1342 1342/1342 1342 ± 0.000005986 5.873 5.487/6.675 5.826 ± 1.135
ea13 1342 1342/1342 1342 ± 0.00001491 5.949 5.715/6.522 6.055 ± 0.7675
ea14 1342 1342/1342 1342 ± 0.000006389 5.588 5.129/6.445 5.644 ± 0.814
ea15 1342 1342/1342 1342 ± 0 5.432 5.095/6.341 5.637 ± 0.9203
ea16 1342 1342/1342 1342 ± 0.00002399 6.009 5.513/6.895 5.974 ± 0.9672
ea17 1342 1342/1342 1342 ± 0.00004306 5.959 5.589/6.678 5.892 ± 0.9644
ea18 1342 1342/1342 1342 ± 0.00003625 5.008 4.519/5.757 5.025 ± 0.7425
ea19 1342 1342/1342 1342 ± 0 5.781 5.564/6.864 5.997 ± 0.8376
ea20 1342 1342/1342 1342 ± 0.00002131 5.981 5.832/6.953 6.072 ± 1.155
ea21 1342 1342/1342 1342 ± 0.00001758 5.562 5.403/6.368 5.639 ± 0.8005
ea22 1342 1342/1342 1342 ± 0.00002856 5.368 5.176/6.429 5.601 ± 0.8331
ea23 1342 1342/1342 1342 ± 0.00004022 5.758 5.513/6.486 5.824 ± 0.8544
ea25 1342 1342/1342 1342 ± 0.00004272 5.536 5.306/6.393 5.571 ± 0.8573
ea26 1342 1342/1342 1342 ± 0.00002014 5.977 5.806/7.08 6.187 ± 0.893
ea27 1342 1342/1342 1342 ± 0.00004397 5.581 5.191/6.483 5.603 ± 0.8865
ea28 1342 1342/1342 1342 ± 0.00004304 5.724 5.438/6.611 5.784 ± 0.9207
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 5.494 5.356/5.808 5.534 ± 0.2773
5 1342 1342/1342 1342 ± 0.00002349 5.496 5.188/5.654 5.438 ± 0.3556
6 1342 1342/1342 1342 ± 0.00002527 5.32 5.09/5.441 5.277 ± 0.2885
7 1342 1342/1342 1342 ± 0.00002349 5.476 5.315/5.618 5.445 ± 0.2805
8 1342 1342/1342 1342 ± 0.00002349 5.432 5.23/5.586 5.385 ± 0.2964
9 1342 1342/1342 1342 ± 0.00002349 5.661 5.458/5.977 5.677 ± 0.35
10 1342 1342/1342 1342 ± 0.00002349 6.126 5.902/6.311 6.081 ± 0.3333
11 1342 1342/1342 1342 ± 0.00002349 6.427 6.284/6.534 6.362 ± 0.3444
12 1342 1342/1342 1342 ± 0.00002349 6.613 6.409/6.797 6.559 ± 0.382
13 1342 1342/1342 1342 ± 0.0000235 6.881 6.645/7.062 6.826 ± 0.4027
14 1342 1342/1342 1342 ± 0.00002632 6.678 6.368/7.064 6.674 ± 0.5154
15 1342 1342/1342 1342 ± 0.00002349 6.786 6.544/7.037 6.711 ± 0.5004
16 1342 1342/1342 1342 ± 0.00006079 3.932 3.77/4.177 3.99 ± 0.331
17 1342 1342/1342 1342 ± 0.00006076 4.114 3.977/4.278 4.118 ± 0.3061
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.1.sb38602933.eb38631109.59096.27884142361_split_split.ms
output_dir
 
Start time
2024-11-02 00:00:49.705
End
2024-11-02 01:13:32.985
Duration
1:12:43.279
Note, WebLog generation is not included in the time.

CASA logs for stage 8