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

Statwt Summary Plot

VLASS2.1.sb38498189.eb38518036.59051.15321533565_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 4.885 4.738/5.889 5.203 ± 0.7651
ea02 1342 1342/1342 1342 ± 0.00004435 5.42 4.941/6.31 5.526 ± 0.8981
ea04 1342 1342/1342 1342 ± 0.00003051 4.885 4.702/5.617 5.106 ± 0.7155
ea05 1342 1342/1342 1342 ± 0.00001176 5.094 4.813/6.237 5.434 ± 0.8059
ea06 1342 1342/1342 1342 ± 0.00003046 4.646 4.311/5.297 4.743 ± 0.6072
ea07 1342 1342/1342 1342 ± 0.00004097 5.389 4.894/5.923 5.408 ± 0.8067
ea08 1342 1342/1342 1342 ± 0.00004404 5.54 5.09/6.436 5.66 ± 0.9815
ea09 1342 1342/1342 1342 ± 0.00002595 4.889 4.586/5.687 5.058 ± 0.6333
ea10 1342 1342/1342 1342 ± 0.00004209 4.629 4.272/5.316 4.712 ± 0.6501
ea11 1342 1342/1342 1342 ± 0.00004404 5.564 4.997/6.243 5.55 ± 0.8905
ea12 1342 1342/1342 1342 ± 0.00004018 5.087 4.867/5.951 5.349 ± 0.7998
ea13 1342 1342/1342 1342 ± 0.0000122 5.336 5.057/5.976 5.562 ± 0.6927
ea14 1342 1342/1342 1342 ± 0.00003667 5.348 4.833/6.315 5.471 ± 0.8901
ea15 1342 1342/1342 1342 ± 0.00001318 5.082 4.865/6.056 5.352 ± 0.8631
ea16 1342 1342/1342 1342 ± 0.00002153 5.529 5.075/6.49 5.655 ± 0.972
ea17 1342 1342/1342 1342 ± 0.00004272 5.433 4.887/6.224 5.512 ± 0.9101
ea18 1342 1342/1342 1342 ± 0.00004394 4.659 4.409/5.463 4.857 ± 0.6694
ea19 1342 1342/1342 1342 ± 0.00001923 5.365 5.078/6.46 5.62 ± 0.8596
ea20 1342 1342/1342 1342 ± 0.00004322 5.555 5.174/6.437 5.716 ± 0.9235
ea21 1342 1342/1342 1342 ± 0.0000262 5.25 4.781/6.067 5.357 ± 0.8276
ea22 1342 1342/1342 1342 ± 0.00003525 5.037 4.655/6.122 5.348 ± 0.781
ea23 1342 1342/1342 1342 ± 0.00004227 5.387 4.838/6.339 5.506 ± 0.9525
ea24 1342 1342/1342 1342 ± 0.00001553 4.785 4.513/5.939 5.138 ± 0.7276
ea25 1342 1342/1342 1342 ± 0.00004363 5.142 4.56/5.862 5.228 ± 0.8102
ea26 1342 1342/1342 1342 ± 0.00002489 5.438 5.089/6.456 5.672 ± 0.854
ea27 1342 1342/1342 1342 ± 0.00004274 5.143 4.726/6.172 5.34 ± 0.8378
ea28 1342 1342/1342 1342 ± 0.00004272 5.194 5.009/6.287 5.479 ± 0.8982
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 ± 0.00002306 4.836 4.613/5.014 4.775 ± 0.2904
5 1342 1342/1342 1342 ± 0.0000293 4.971 4.756/5.195 4.976 ± 0.2885
6 1342 1342/1342 1342 ± 0.00002306 4.893 4.612/5.07 4.843 ± 0.2595
7 1342 1342/1342 1342 ± 0.00002306 4.942 4.737/5.062 4.882 ± 0.2515
8 1342 1342/1342 1342 ± 0.00002306 4.969 4.706/5.114 4.914 ± 0.2897
9 1342 1342/1342 1342 ± 0.00002306 5.249 4.973/5.416 5.182 ± 0.3004
10 1342 1342/1342 1342 ± 0.00002306 5.761 5.568/5.876 5.679 ± 0.3053
11 1342 1342/1342 1342 ± 0.00002306 5.976 5.785/6.169 5.941 ± 0.3164
12 1342 1342/1342 1342 ± 0.00002306 6.129 5.925/6.338 6.11 ± 0.3474
13 1342 1342/1342 1342 ± 0.00002306 6.627 6.287/6.809 6.497 ± 0.4081
14 1342 1342/1342 1342 ± 0.00002306 6.781 6.456/6.969 6.663 ± 0.4347
15 1342 1342/1342 1342 ± 0.00002308 6.166 5.877/6.42 6.105 ± 0.4427
16 1342 1342/1342 1342 ± 0.00005821 4.122 3.986/4.254 4.12 ± 0.1996
17 1342 1342/1342 1342 ± 0.00005916 4.07 3.943/4.296 4.119 ± 0.2377
statwtmode
VLASS-SE
datacolumn
residual_data
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38498189.eb38518036.59051.15321533565_split_split.ms
Start time
2024-06-07 08:47:00.253
End
2024-06-07 09:22:23.258
Duration
0:35:23.005
Note, WebLog generation is not included in the time.

CASA logs for stage 8