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

Statwt Summary Plot

VLASS2.1.sb38726305.eb38809014.59142.09063322916_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 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea02 1342 1342/1342 1342 ± 0 5.749 5.232/6.345 5.595 ± 0.9829
ea03 1342 1342/1342 1342 ± 0.00001988 5.002 4.655/6.055 5.228 ± 0.763
ea04 1342 1342/1342 1342 ± 0.00002167 5.306 5.011/6.095 5.423 ± 0.8301
ea05 1342 1342/1342 1342 ± 0 4.913 4.527/5.49 5.001 ± 0.6049
ea06 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea07 1342 1342/1342 1342 ± 0.0000216 5.733 5.268/6.098 5.518 ± 0.8826
ea08 1342 1342/1342 1342 ± 0.00004343 5.762 5.437/6.59 5.75 ± 1.035
ea09 1342 1342/1342 1342 ± 0.00004272 5.432 5.079/6.307 5.493 ± 0.8509
ea10 1342 1342/1342 1342 ± 0.00004214 5.474 5.155/6.394 5.574 ± 0.9691
ea11 1342 1342/1342 1342 ± 0.00004272 5.601 5.035/6.489 5.547 ± 1.03
ea12 1342 1342/1342 1342 ± 0.00001237 5.488 5.152/6.475 5.626 ± 0.9989
ea13 1342 1342/1342 1342 ± 0.00001291 5.715 5.571/6.346 5.79 ± 0.8173
ea14 1342 1342/1342 1342 ± 0.00002123 5.426 5.04/6.358 5.533 ± 0.8072
ea15 1342 1342/1342 1342 ± 0 2.454 2.263/2.785 2.582 ± 0.4068
ea16 1342 1342/1342 1342 ± 0.0000136 5.728 5.384/6.551 5.761 ± 0.9529
ea17 1342 1342/1342 1342 ± 0.00004272 5.923 5.539/6.651 5.899 ± 1.082
ea18 1342 1342/1342 1342 ± 0.00004332 4.756 4.394/5.56 4.79 ± 0.7376
ea19 1342 1342/1342 1342 ± 0.00001523 5.407 5.144/6.293 5.583 ± 0.7436
ea20 1342 1342/1342 1342 ± 0.00003473 5.724 5.489/6.931 5.901 ± 1.122
ea21 1342 1342/1342 1342 ± 0.000004671 5.425 5.216/6.251 5.534 ± 0.8115
ea23 1342 1342/1342 1342 ± 0.00001092 5.622 5.38/6.417 5.665 ± 0.941
ea24 1342 1342/1342 1342 ± 0.00004395 5.484 5.218/6.378 5.504 ± 0.8786
ea25 1342 1342/1342 1342 ± 0.00004265 5.291 5.161/6.076 5.375 ± 0.9109
ea26 1342 1342/1342 1342 ± 0.00003361 5.637 5.417/6.838 5.833 ± 0.9278
ea27 1342 1342/1342 1342 ± 0.00004272 5.314 5.033/6.304 5.393 ± 0.9027
ea28 1342 1342/1342 1342 ± 0.00004283 5.27 5.022/6.084 5.299 ± 0.8941
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 ± 0.00002393 5.289 5.108/5.541 5.205 ± 0.6185
5 1342 1342/1342 1342 ± 0.00002529 5.249 4.999/5.47 5.141 ± 0.5707
6 1342 1342/1342 1342 ± 0.00002393 5.201 5.004/5.413 5.064 ± 0.6323
7 1342 1342/1342 1342 ± 0.00002393 5.219 5.134/5.44 5.125 ± 0.6404
8 1342 1342/1342 1342 ± 0.00002393 5.24 5.065/5.362 5.1 ± 0.6542
9 1342 1342/1342 1342 ± 0.00002393 5.518 5.249/5.744 5.357 ± 0.6947
10 1342 1342/1342 1342 ± 0.00002393 6.01 5.707/6.139 5.788 ± 0.7636
11 1342 1342/1342 1342 ± 0.00002393 6.317 6.068/6.42 6.089 ± 0.7589
12 1342 1342/1342 1342 ± 0.00002393 6.474 6.232/6.628 6.311 ± 0.7931
13 1342 1342/1342 1342 ± 0.00002393 6.581 6.382/6.762 6.444 ± 0.7282
14 1342 1342/1342 1342 ± 0.00002581 6.194 5.842/6.569 6.159 ± 0.7224
15 1342 1342/1342 1342 ± 0.00002393 6.625 6.32/6.907 6.451 ± 0.886
16 1342 1342/1342 1342 ± 0.00006061 3.758 3.527/3.972 3.704 ± 0.4101
17 1342 1342/1342 1342 ± 0.00006103 3.845 3.622/4.082 3.806 ± 0.4166
datacolumn
residual_data
vis
VLASS2.1.sb38726305.eb38809014.59142.09063322916_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
Start time
2025-01-11 11:35:20.711
End
2025-01-11 12:34:49.890
Duration
0:59:29.179
Note, WebLog generation is not included in the time.

CASA logs for stage 8