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

Statwt Summary Plot

VLASS2.1.sb38667356.eb38705720.59131.46099141204_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 5.713 5.671/6.494 6.073 ± 0.6409
ea02 1342 1342/1342 1342 ± 0.0000415 6.287 5.812/6.973 6.438 ± 0.6897
ea03 1342 1342/1342 1342 ± 0 5.857 5.053/6.29 5.73 ± 0.6573
ea04 1342 1342/1342 1342 ± 0 5.845 5.41/6.553 5.933 ± 0.6542
ea05 1342 1342/1342 1342 ± 0 6.235 5.674/6.813 6.131 ± 0.7306
ea06 1342 1342/1342 1342 ± 0 5.146 4.954/5.503 5.231 ± 0.3499
ea07 1342 1342/1342 1342 ± 0 6.217 5.859/6.682 6.382 ± 0.7018
ea08 1342 1342/1342 1342 ± 0.000001128 6.296 5.867/7.096 6.483 ± 0.754
ea09 1342 1342/1342 1342 ± 0 6.071 5.547/6.812 6.157 ± 0.7528
ea10 1342 1342/1342 1342 ± 0 6.268 5.727/7.069 6.347 ± 0.7323
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 6.262 5.621/6.761 6.263 ± 0.7718
ea13 1342 1342/1342 1342 ± 0 6.594 6.059/6.813 6.438 ± 0.6594
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 1342 1342/1342 1342 ± 0 6.327 5.728/6.898 6.371 ± 0.7736
ea16 1342 1342/1342 1342 ± 0 6.526 5.986/7.084 6.508 ± 0.8037
ea17 1342 1342/1342 1342 ± 0 6.477 6.217/7.587 6.795 ± 0.7142
ea18 1342 1342/1342 1342 ± 0 5.307 4.912/5.768 5.353 ± 0.5771
ea19 1342 1342/1342 1342 ± 0 6.399 5.743/6.967 6.317 ± 0.6933
ea20 1342 1342/1342 1342 ± 0 6.389 5.744/6.901 6.293 ± 0.7272
ea21 1342 1342/1342 1342 ± 0 5.936 5.714/6.702 6.155 ± 0.6736
ea22 1342 1342/1342 1342 ± 0 6.156 5.545/6.532 6.056 ± 0.6174
ea23 1342 1342/1342 1342 ± 0 6.126 5.818/6.948 6.373 ± 0.7839
ea24 1342 1342/1342 1342 ± 0 6.299 5.83/7.006 6.345 ± 0.7147
ea25 1342 1342/1342 1342 ± 0 5.905 5.597/6.63 6.086 ± 0.651
ea26 1342 1342/1342 1342 ± 0 6.751 6.166/7.409 6.807 ± 0.7067
ea27 1342 1342/1342 1342 ± 0 6.046 5.732/6.87 6.207 ± 0.6823
ea28 1342 1342/1342 1342 ± 0 5.972 5.556/6.642 6.087 ± 0.6919
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 ± 0.00002348 5.723 5.464/5.832 5.634 ± 0.3283
4 1342 1342/1342 1342 ± 0.00002596 4.962 4.781/5.067 4.903 ± 0.2391
5 1342 1342/1342 1342 ± 0.00002348 5.726 5.505/5.965 5.713 ± 0.3839
6 1342 1342/1342 1342 ± 0.00002348 5.684 5.535/5.909 5.645 ± 0.3511
7 1342 1342/1342 1342 ± 0.00002348 5.741 5.592/5.826 5.673 ± 0.3237
8 1342 1342/1342 1342 ± 0.00002348 5.643 5.489/5.807 5.589 ± 0.3568
9 1342 1342/1342 1342 ± 0.00002348 5.906 5.675/6.242 5.868 ± 0.3971
10 1342 1342/1342 1342 ± 0.00002348 6.431 6.225/6.627 6.347 ± 0.3798
11 1342 1342/1342 1342 ± 0.00002348 6.612 6.426/6.795 6.571 ± 0.3908
12 1342 1342/1342 1342 ± 0.00002348 6.803 6.594/6.969 6.739 ± 0.4325
13 1342 1342/1342 1342 ± 0.00002348 7.263 7.136/7.416 7.208 ± 0.4651
14 1342 1342/1342 1342 ± 0.00002348 7.459 7.283/7.781 7.417 ± 0.511
15 1342 1342/1342 1342 ± 0.00002348 7.024 6.838/7.33 6.997 ± 0.4839
16 1342 1342/1342 1342 ± 0.00002394 6.268 6.058/6.526 6.273 ± 0.3869
17 1342 1342/1342 1342 ± 0.00002393 6.352 6.115/6.534 6.301 ± 0.3846
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
vis
VLASS2.1.sb38667356.eb38705720.59131.46099141204_split_split.ms
statwtmode
VLASS-SE
Start time
2025-01-11 14:10:52.052
End
2025-01-11 15:28:06.299
Duration
1:17:14.247
Note, WebLog generation is not included in the time.

CASA logs for stage 8