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

Statwt Summary Plot

VLASS2.1.sb38545507.eb38638815.59102.13461381945_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 5.55 5.332/5.831 5.638 ± 0.3932
ea02 1342 1342/1342 1342 ± 0.000005003 5.745 5.405/6.311 5.888 ± 0.5097
ea04 1342 1342/1342 1342 ± 0.000004452 5.567 5.255/6.014 5.663 ± 0.4923
ea05 1342 1342/1342 1342 ± 0 5.323 5.08/5.645 5.362 ± 0.3857
ea06 1342 1342/1342 1342 ± 0.000001931 4.87 4.779/5.232 4.974 ± 0.2771
ea07 1342 1342/1342 1342 ± 0.00000289 5.61 5.258/5.9 5.632 ± 0.4128
ea08 1342 1342/1342 1342 ± 0.000003191 5.642 5.29/6.105 5.72 ± 0.444
ea09 1342 1342/1342 1342 ± 0.00000244 5.288 5.016/5.669 5.349 ± 0.3965
ea10 1342 1342/1342 1342 ± 0.00001419 5.226 4.979/5.861 5.373 ± 0.4375
ea11 1342 1342/1342 1342 ± 0 6.105 5.417/6.62 6.075 ± 0.7043
ea12 1342 1342/1342 1342 ± 0.000002926 5.627 5.344/5.921 5.716 ± 0.4102
ea13 1342 1342/1342 1342 ± 0 5.97 5.689/6.156 5.969 ± 0.4093
ea14 1342 1342/1342 1342 ± 0.000002488 5.375 5.077/5.893 5.468 ± 0.4562
ea15 1342 1342/1342 1342 ± 0 5.783 5.329/6.173 5.799 ± 0.5239
ea16 1342 1342/1342 1342 ± 0.000001092 5.547 5.321/5.856 5.635 ± 0.4137
ea17 1342 1342/1342 1342 ± 0.000002674 5.407 5.305/5.772 5.555 ± 0.3471
ea18 1342 1342/1342 1342 ± 0.000002486 4.686 4.496/4.916 4.73 ± 0.2825
ea19 1342 1342/1342 1342 ± 0 5.423 5.118/5.758 5.444 ± 0.3674
ea20 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea21 1342 1342/1342 1342 ± 0 5.53 5.352/6.117 5.706 ± 0.454
ea22 1342 1342/1342 1342 ± 0.000002949 4.949 4.781/5.444 5.062 ± 0.4393
ea23 1342 1342/1342 1342 ± 0.000002785 5.803 5.674/6.55 6.157 ± 0.6214
ea25 1342 1342/1342 1342 ± 0.000002756 5.587 5.416/6.116 5.781 ± 0.5139
ea26 1342 1342/1342 1342 ± 0.000001589 5.595 5.448/6.088 5.779 ± 0.4226
ea27 1342 1342/1342 1342 ± 0.00003825 5.239 5.128/5.855 5.406 ± 0.4003
ea28 1342 1342/1342 1342 ± 0.000003384 5.746 5.54/6.459 5.977 ± 0.5685
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 ± 0.00002439 5.413 5.265/5.529 5.387 ± 0.263
3 1342 1342/1342 1342 ± 0.00002439 5.276 5.066/5.353 5.211 ± 0.2853
4 1342 1342/1342 1342 ± 0.00003072 5.117 4.809/5.387 5.112 ± 0.3417
5 1342 1342/1342 1342 ± 0.00002439 5.319 5.061/5.451 5.26 ± 0.3135
6 1342 1342/1342 1342 ± 0.00002439 5.192 5.067/5.388 5.202 ± 0.2707
7 1342 1342/1342 1342 ± 0.00002439 5.31 5.078/5.359 5.221 ± 0.2713
8 1342 1342/1342 1342 ± 0.00002439 5.259 5.005/5.372 5.17 ± 0.3109
9 1342 1342/1342 1342 ± 0.00002439 5.449 5.222/5.638 5.391 ± 0.3516
10 1342 1342/1342 1342 ± 0.00002439 5.765 5.522/6.018 5.734 ± 0.3555
11 1342 1342/1342 1342 ± 0.00002439 5.885 5.779/6.158 5.916 ± 0.3578
12 1342 1342/1342 1342 ± 0.00002439 6.041 5.889/6.148 5.959 ± 0.5011
13 1342 1342/1342 1342 ± 0.00002439 6.343 6.073/6.57 6.338 ± 0.4565
14 1342 1342/1342 1342 ± 0.00002439 6.525 6.111/6.738 6.433 ± 0.4902
15 1342 1342/1342 1342 ± 0.00002669 5.96 5.632/6.156 5.906 ± 0.4259
16 1342 1342/1342 1342 ± 0.00003317 5.526 5.189/5.761 5.449 ± 0.3569
17 1342 1342/1342 1342 ± 0.00003285 5.381 5.186/5.639 5.399 ± 0.3672
vis
VLASS2.1.sb38545507.eb38638815.59102.13461381945_split_split.ms
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
Start time
2024-12-03 10:03:40.566
End
2024-12-03 11:07:32.852
Duration
1:03:52.286
Note, WebLog generation is not included in the time.

CASA logs for stage 8