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 5.347 5.291/6.215 5.594 ± 0.7275
ea02 1342 1342/1342 1342 ± 0.00004287 5.884 5.353/6.737 5.892 ± 1.014
ea04 1342 1342/1342 1342 ± 0.00001933 5.337 5.013/6.052 5.377 ± 0.8189
ea05 1342 1342/1342 1342 ± 0.00001612 5.492 5.045/6.279 5.637 ± 0.7839
ea06 1342 1342/1342 1342 ± 0.00002807 4.957 4.635/5.356 4.837 ± 0.6673
ea07 1342 1342/1342 1342 ± 0.00003372 5.927 5.476/6.373 5.885 ± 0.7652
ea08 1342 1342/1342 1342 ± 0.00003315 6.003 5.658/6.886 6.197 ± 0.9239
ea09 1342 1342/1342 1342 ± 0.00003627 5.724 5.085/6.564 5.691 ± 0.8565
ea10 1342 1342/1342 1342 ± 0.00003411 5.924 5.35/6.681 5.904 ± 0.8504
ea11 1342 1342/1342 1342 ± 0.00004249 5.761 5.128/6.519 5.599 ± 0.9674
ea12 1342 1342/1342 1342 ± 0.00003048 5.704 5.326/6.552 5.706 ± 0.9914
ea13 1342 1342/1342 1342 ± 0.00002943 6.045 5.636/6.463 6.033 ± 0.828
ea14 1342 1342/1342 1342 ± 0.00002902 5.474 5.112/6.427 5.639 ± 0.8037
ea15 1342 1342/1342 1342 ± 0.000001691 5.345 5.115/6.282 5.527 ± 0.9259
ea16 1342 1342/1342 1342 ± 0.00002737 5.862 5.465/6.9 5.998 ± 0.9543
ea17 1342 1342/1342 1342 ± 0.00003598 5.9 5.511/6.951 6.002 ± 0.8952
ea18 1342 1342/1342 1342 ± 0.00003513 5.081 4.755/5.744 5.105 ± 0.6366
ea19 1342 1342/1342 1342 ± 0.0000174 5.784 5.509/6.808 6.013 ± 0.8538
ea20 1342 1342/1342 1342 ± 0.00003595 5.872 5.549/6.986 6.008 ± 1.043
ea21 1342 1342/1342 1342 ± 0.00002227 5.536 5.372/6.368 5.655 ± 0.7963
ea22 1342 1342/1342 1342 ± 0.00003469 5.372 5.174/6.481 5.703 ± 0.7958
ea23 1342 1342/1342 1342 ± 0.0000343 5.86 5.481/6.63 5.832 ± 0.9042
ea25 1342 1342/1342 1342 ± 0.00003442 5.544 5.219/6.357 5.614 ± 0.7731
ea26 1342 1342/1342 1342 ± 0.00003664 5.896 5.649/7.005 6.095 ± 0.9246
ea27 1342 1342/1342 1342 ± 0.00003315 5.581 5.355/6.491 5.744 ± 0.7904
ea28 1342 1342/1342 1342 ± 0.00004244 5.734 5.401/6.621 5.81 ± 0.9483
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 5.467 5.294/5.768 5.491 ± 0.2831
5 1342 1342/1342 1342 ± 0.00002516 5.322 5.086/5.483 5.316 ± 0.2651
6 1342 1342/1342 1342 ± 0.00002349 5.362 5.128/5.527 5.312 ± 0.2858
7 1342 1342/1342 1342 ± 0.00002349 5.365 5.163/5.544 5.348 ± 0.2756
8 1342 1342/1342 1342 ± 0.00002349 5.356 5.135/5.49 5.303 ± 0.3006
9 1342 1342/1342 1342 ± 0.00002424 5.651 5.434/5.885 5.61 ± 0.2966
10 1342 1342/1342 1342 ± 0.00002349 6.073 5.865/6.249 6.046 ± 0.3366
11 1342 1342/1342 1342 ± 0.00002349 6.39 6.225/6.526 6.326 ± 0.3429
12 1342 1342/1342 1342 ± 0.00002349 6.559 6.369/6.767 6.528 ± 0.3731
13 1342 1342/1342 1342 ± 0.00002349 6.928 6.686/7.082 6.85 ± 0.4048
14 1342 1342/1342 1342 ± 0.00002373 6.788 6.508/7.128 6.768 ± 0.5113
15 1342 1342/1342 1342 ± 0.00002447 6.719 6.442/6.986 6.654 ± 0.4836
16 1342 1342/1342 1342 ± 0.00005985 4.062 3.877/4.34 4.102 ± 0.315
17 1342 1342/1342 1342 ± 0.00005947 4.028 3.834/4.347 4.093 ± 0.3578
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS2.1.sb38602933.eb38631109.59096.27884142361_split_split.ms
datacolumn
residual_data
output_dir
 
Start time
2024-11-01 18:13:50.030
End
2024-11-01 19:16:05.924
Duration
1:02:15.894
Note, WebLog generation is not included in the time.

CASA logs for stage 8