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

Statwt Summary Plot

VLASS2.1.sb38450628.eb38515240.59049.50130047454_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 5.269 5.069/6.265 5.59 ± 0.8253
ea02 1342 1342/1342 1342 ± 0.00004054 5.844 5.316/6.762 5.93 ± 1.019
ea04 1342 1342/1342 1342 ± 0.00003956 5.295 5.078/6.143 5.525 ± 0.7849
ea05 1342 1342/1342 1342 ± 0.00002155 5.393 5.076/6.544 5.719 ± 0.8866
ea06 1342 1342/1342 1342 ± 0.00003693 4.894 4.607/5.845 5.195 ± 0.6995
ea07 1342 1342/1342 1342 ± 0.00003878 5.66 5.301/6.245 5.738 ± 0.8307
ea09 1342 1342/1342 1342 ± 0.00002964 5.429 5.049/6.147 5.424 ± 0.7817
ea10 1342 1342/1342 1342 ± 0.00003919 5.218 4.771/5.938 5.263 ± 0.7445
ea11 1342 1342/1342 1342 ± 0.00004155 5.834 5.294/6.65 5.87 ± 0.9316
ea12 1342 1342/1342 1342 ± 0.00004025 5.608 5.437/6.707 5.906 ± 0.9584
ea13 1342 1342/1342 1342 ± 0.000008872 5.733 5.508/6.335 5.85 ± 0.8714
ea14 1342 1342/1342 1342 ± 0.0000368 5.525 5.3/6.648 5.872 ± 0.9506
ea15 1342 1342/1342 1342 ± 0.00003972 5.529 5.327/6.588 5.851 ± 0.9559
ea16 1342 1342/1342 1342 ± 0.00003229 5.869 5.385/6.836 5.962 ± 1.102
ea17 1342 1342/1342 1342 ± 0.00004054 5.87 5.382/6.896 6.012 ± 0.9896
ea18 1342 1342/1342 1342 ± 0.00004078 4.99 4.725/5.803 5.161 ± 0.6973
ea19 1342 1342/1342 1342 ± 0.00002137 5.688 5.494/6.861 5.983 ± 0.9579
ea20 1342 1342/1342 1342 ± 0.0000412 5.944 5.737/7.022 6.205 ± 1.022
ea21 1342 1342/1342 1342 ± 0.00003565 5.53 5.187/6.406 5.703 ± 0.9
ea22 1342 1342/1342 1342 ± 0.00004031 5.386 4.948/6.525 5.692 ± 0.9688
ea23 1342 1342/1342 1342 ± 0.0000373 5.83 5.397/6.692 5.974 ± 0.9151
ea24 1342 1342/1342 1342 ± 0.00001607 5.138 4.776/6.225 5.421 ± 0.8159
ea25 1342 1342/1342 1342 ± 0.00004046 5.565 5.169/6.457 5.696 ± 0.866
ea26 1342 1342/1342 1342 ± 0.00003162 5.773 5.582/6.871 6.038 ± 1.005
ea27 1342 1342/1342 1342 ± 0.00004046 5.573 5.187/6.603 5.771 ± 0.8677
ea28 1342 1342/1342 1342 ± 0.00004112 5.608 5.451/6.751 5.957 ± 0.9225
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 ± 0.0000254 5.24 5.01/5.418 5.207 ± 0.3216
6 1342 1342/1342 1342 ± 0.00002388 5.335 5.056/5.458 5.269 ± 0.2639
7 1342 1342/1342 1342 ± 0.00002388 5.317 5.135/5.484 5.297 ± 0.2695
8 1342 1342/1342 1342 ± 0.00002388 5.32 5.067/5.453 5.27 ± 0.3069
9 1342 1342/1342 1342 ± 0.00002576 5.55 5.216/5.776 5.508 ± 0.3001
10 1342 1342/1342 1342 ± 0.00002388 6.139 5.924/6.242 6.06 ± 0.2918
11 1342 1342/1342 1342 ± 0.00002388 6.464 6.086/6.589 6.355 ± 0.3072
12 1342 1342/1342 1342 ± 0.00002388 6.541 6.249/6.751 6.541 ± 0.3445
13 1342 1342/1342 1342 ± 0.00002419 6.701 6.426/7.01 6.652 ± 0.45
14 1342 1342/1342 1342 ± 0.00002388 7.183 6.823/7.371 7.053 ± 0.4258
15 1342 1342/1342 1342 ± 0.00002819 6.725 6.43/6.958 6.665 ± 0.4208
16 1342 1342/1342 1342 ± 0.00005403 4.041 3.943/4.137 4.04 ± 0.1434
17 1342 1342/1342 1342 ± 0.00004973 4.134 3.962/4.341 4.157 ± 0.2684
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
vis
VLASS2.1.sb38450628.eb38515240.59049.50130047454_split_split.ms
statwtmode
VLASS-SE
Start time
2024-05-17 18:52:24.682
End
2024-05-17 19:50:32.816
Duration
0:58:08.135
Note, WebLog generation is not included in the time.

CASA logs for stage 8