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

Statwt Summary Plot

VLASS2.1.sb38452360.eb38575738.59077.463367233795_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 5.652 5.03/5.921 5.419 ± 0.6967
ea02 1342 1342/1342 1342 ± 0.00004365 5.79 5.093/6.426 5.719 ± 0.8898
ea04 1342 1342/1342 1342 ± 0.00003249 5.196 4.853/5.892 5.327 ± 0.6812
ea05 1342 1342/1342 1342 ± 0.00002309 5.329 4.942/6.337 5.552 ± 0.9014
ea06 1342 1342/1342 1342 ± 0.00003293 5.439 4.367/5.647 5.008 ± 0.7113
ea07 1342 1342/1342 1342 ± 0.00003272 5.622 5.083/6.018 5.589 ± 0.7424
ea08 1342 1342/1342 1342 ± 0.00003454 6.453 5.395/6.696 6.011 ± 0.8968
ea09 1342 1342/1342 1342 ± 0.00002932 5.432 4.987/6.232 5.473 ± 0.9017
ea10 1342 1342/1342 1342 ± 0.00003447 5.958 4.889/6.258 5.525 ± 0.792
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.0000364 5.354 5.056/6.276 5.594 ± 0.8359
ea13 1342 1342/1342 1342 ± 0.00002062 5.48 5.296/6.077 5.67 ± 0.8728
ea14 1342 1342/1342 1342 ± 0.00003311 5.565 5.16/6.442 5.766 ± 0.8906
ea15 1342 1342/1342 1342 ± 0.00003432 5.616 4.954/6.305 5.55 ± 0.8298
ea16 1342 1342/1342 1342 ± 0.00002501 5.625 5.195/6.419 5.733 ± 0.9385
ea17 1342 1342/1342 1342 ± 0.00003692 5.806 5.328/6.759 5.904 ± 0.892
ea18 1342 1342/1342 1342 ± 0.0000347 4.984 4.589/5.531 4.944 ± 0.5823
ea19 1342 1342/1342 1342 ± 0.00001536 5.553 5.27/6.59 5.772 ± 0.9533
ea20 1342 1342/1342 1342 ± 0.00003617 5.661 5.495/6.762 5.933 ± 0.8696
ea21 1342 1342/1342 1342 ± 0.00002737 5.387 5.105/6.153 5.567 ± 0.8343
ea22 1342 1342/1342 1342 ± 0.00003933 5.343 4.989/6.347 5.537 ± 0.9142
ea23 1342 1342/1342 1342 ± 0.00003308 5.95 5.283/6.537 5.789 ± 0.8563
ea25 1342 1342/1342 1342 ± 0.00003509 5.386 4.971/6.127 5.476 ± 0.7508
ea27 1342 1342/1342 1342 ± 0.00003618 5.317 5.031/6.215 5.498 ± 0.7575
ea28 1342 1342/1342 1342 ± 0.0000376 5.434 5.172/6.359 5.704 ± 0.8276
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 ± 0.0000245 5.209 5.025/5.394 5.163 ± 0.2764
5 1342 1342/1342 1342 ± 0.00004048 5.131 4.874/5.251 5.059 ± 0.2406
6 1342 1342/1342 1342 ± 0.0000245 5.081 4.984/5.273 5.07 ± 0.2697
7 1342 1342/1342 1342 ± 0.0000245 5.099 4.944/5.208 5.058 ± 0.2465
8 1342 1342/1342 1342 ± 0.0000245 5.112 4.917/5.274 5.065 ± 0.2756
9 1342 1342/1342 1342 ± 0.00002489 5.386 5.305/5.619 5.388 ± 0.2991
10 1342 1342/1342 1342 ± 0.0000245 5.867 5.694/5.962 5.82 ± 0.2833
11 1342 1342/1342 1342 ± 0.0000245 6.092 5.994/6.245 6.079 ± 0.2957
12 1342 1342/1342 1342 ± 0.0000245 6.298 6.062/6.418 6.249 ± 0.3085
13 1342 1342/1342 1342 ± 0.00002466 6.528 6.218/6.675 6.44 ± 0.3474
14 1342 1342/1342 1342 ± 0.0000245 6.831 6.522/7.039 6.744 ± 0.4038
15 1342 1342/1342 1342 ± 0.00003944 6.535 6.347/6.766 6.49 ± 0.4138
16 1342 1342/1342 1342 ± 0.0000523 3.848 3.75/3.95 3.851 ± 0.1593
17 1342 1342/1342 1342 ± 0.00005182 3.89 3.766/4.023 3.901 ± 0.2138
output_dir
 
vis
VLASS2.1.sb38452360.eb38575738.59077.463367233795_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
Start time
2024-11-02 07:50:02.616
End
2024-11-02 08:42:01.352
Duration
0:51:58.736
Note, WebLog generation is not included in the time.

CASA logs for stage 8