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 5.642 5.312/5.98 5.661 ± 0.4114
ea02 1342 1342/1342 1342 ± 0 5.788 5.426/6.296 5.893 ± 0.4942
ea04 1342 1342/1342 1342 ± 0 5.546 5.265/6.082 5.706 ± 0.5127
ea05 1342 1342/1342 1342 ± 0 5.401 5.134/5.729 5.439 ± 0.3875
ea06 1342 1342/1342 1342 ± 0 4.931 4.796/5.246 4.999 ± 0.2772
ea07 1342 1342/1342 1342 ± 0 5.516 5.27/5.787 5.561 ± 0.376
ea08 1342 1342/1342 1342 ± 0 5.567 5.249/6.019 5.615 ± 0.4176
ea09 1342 1342/1342 1342 ± 0 5.147 4.978/5.568 5.27 ± 0.3553
ea10 1342 1342/1342 1342 ± 0.000003373 5.154 4.957/5.769 5.309 ± 0.4011
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.522 5.274/5.759 5.547 ± 0.3639
ea13 1342 1342/1342 1342 ± 0 6.038 5.776/6.282 6.094 ± 0.4258
ea14 1342 1342/1342 1342 ± 0 5.415 5.113/5.964 5.51 ± 0.4819
ea15 1342 1342/1342 1342 ± 0 5.623 5.171/5.924 5.595 ± 0.4555
ea16 1342 1342/1342 1342 ± 0 5.526 5.31/5.825 5.603 ± 0.3847
ea17 1342 1342/1342 1342 ± 0 5.401 5.297/5.584 5.489 ± 0.3086
ea18 1342 1342/1342 1342 ± 0 4.55 4.398/4.782 4.605 ± 0.2584
ea19 1342 1342/1342 1342 ± 0 5.484 5.185/5.821 5.52 ± 0.3488
ea20 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea21 1342 1342/1342 1342 ± 0 5.591 5.451/6.228 5.785 ± 0.4645
ea22 1342 1342/1342 1342 ± 0 4.912 4.736/5.373 5.013 ± 0.4294
ea23 1342 1342/1342 1342 ± 0 6.056 5.733/6.581 6.2 ± 0.6282
ea25 1342 1342/1342 1342 ± 0 5.646 5.449/6.166 5.808 ± 0.5153
ea26 1342 1342/1342 1342 ± 0 5.543 5.413/5.989 5.71 ± 0.374
ea27 1342 1342/1342 1342 ± 0.00003696 5.175 5.065/5.673 5.321 ± 0.3563
ea28 1342 1342/1342 1342 ± 0 5.808 5.619/6.531 5.998 ± 0.5964
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 ± 0.00002442 5.398 5.198/5.548 5.372 ± 0.2836
3 1342 1342/1342 1342 ± 0.00002442 5.296 5.065/5.425 5.226 ± 0.3292
4 1342 1342/1342 1342 ± 0.0000269 5.095 4.942/5.36 5.14 ± 0.3058
5 1342 1342/1342 1342 ± 0.00002442 5.297 5.01/5.549 5.28 ± 0.3376
6 1342 1342/1342 1342 ± 0.00002442 5.125 5.03/5.335 5.14 ± 0.282
7 1342 1342/1342 1342 ± 0.00002442 5.253 5.099/5.414 5.226 ± 0.3025
8 1342 1342/1342 1342 ± 0.00002442 5.19 4.967/5.448 5.167 ± 0.3247
9 1342 1342/1342 1342 ± 0.00002442 5.355 5.192/5.601 5.373 ± 0.3681
10 1342 1342/1342 1342 ± 0.00002442 5.698 5.508/6.068 5.709 ± 0.3789
11 1342 1342/1342 1342 ± 0.00002442 5.827 5.729/6.171 5.874 ± 0.381
12 1342 1342/1342 1342 ± 0.00002442 5.941 5.818/6.237 5.908 ± 0.5332
13 1342 1342/1342 1342 ± 0.00002442 6.267 5.97/6.62 6.281 ± 0.4876
14 1342 1342/1342 1342 ± 0.00002442 6.399 6.027/6.679 6.362 ± 0.5289
15 1342 1342/1342 1342 ± 0.00002453 5.87 5.496/6.191 5.849 ± 0.477
16 1342 1342/1342 1342 ± 0.00003345 5.56 5.119/5.699 5.455 ± 0.3928
17 1342 1342/1342 1342 ± 0.00003115 5.386 5.172/5.72 5.415 ± 0.4258
vis
VLASS2.1.sb38545507.eb38638815.59102.13461381945_split_split.ms
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2024-12-03 12:50:16.659
End
2024-12-03 14:02:23.704
Duration
1:12:07.045
Note, WebLog generation is not included in the time.

CASA logs for stage 8