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 5.128 5.056/5.871 5.249 ± 0.751
ea02 1342 1342/1342 1342 ± 0.0000424 5.754 5.208/6.457 5.651 ± 0.943
ea04 1342 1342/1342 1342 ± 0.00003181 5.195 4.819/5.853 5.097 ± 0.8601
ea05 1342 1342/1342 1342 ± 0.0000125 5.347 4.942/6.065 5.438 ± 0.7458
ea06 1342 1342/1342 1342 ± 0.00004081 5.521 4.119/5.633 4.804 ± 0.9619
ea07 1342 1342/1342 1342 ± 0.00004234 5.617 5.141/5.897 5.381 ± 0.7819
ea08 1342 1342/1342 1342 ± 0.00004246 5.921 5.381/6.699 5.862 ± 1.023
ea09 1342 1342/1342 1342 ± 0.00002678 5.316 5.007/6.027 5.405 ± 0.7461
ea10 1342 1342/1342 1342 ± 0.00004227 5.492 4.899/6.119 5.308 ± 0.8324
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00004103 5.424 5.07/6.317 5.415 ± 0.9546
ea13 1342 1342/1342 1342 ± 0.00002123 5.642 5.406/6.128 5.686 ± 0.6957
ea14 1342 1342/1342 1342 ± 0.00001477 5.473 5.093/6.353 5.542 ± 0.8488
ea15 1342 1342/1342 1342 ± 0.00002852 5.208 4.977/6.056 5.279 ± 0.9956
ea16 1342 1342/1342 1342 ± 0.0000191 5.572 5.215/6.414 5.563 ± 0.857
ea17 1342 1342/1342 1342 ± 0.00004466 5.769 5.302/6.544 5.71 ± 0.9378
ea18 1342 1342/1342 1342 ± 0.000044 4.782 4.595/5.316 4.803 ± 0.6691
ea19 1342 1342/1342 1342 ± 0.000001853 5.537 5.262/6.332 5.673 ± 0.7643
ea20 1342 1342/1342 1342 ± 0.00004263 5.699 5.457/6.526 5.716 ± 1.007
ea21 1342 1342/1342 1342 ± 0.00001543 5.279 5.12/6.011 5.348 ± 0.7611
ea22 1342 1342/1342 1342 ± 0.0000332 5.36 5.036/6.385 5.54 ± 0.8682
ea23 1342 1342/1342 1342 ± 0.00003604 5.611 5.104/6.167 5.5 ± 0.8757
ea25 1342 1342/1342 1342 ± 0.00004276 5.405 5.022/6.009 5.334 ± 0.8185
ea27 1342 1342/1342 1342 ± 0.00004335 5.335 4.947/6.246 5.369 ± 0.8406
ea28 1342 1342/1342 1342 ± 0.00004282 5.468 5.216/6.409 5.553 ± 0.9267
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 5.29 5.107/5.486 5.24 ± 0.3116
5 1342 1342/1342 1342 ± 0.00002543 5.117 5.009/5.306 5.165 ± 0.2649
6 1342 1342/1342 1342 ± 0.00002466 5.171 5.04/5.32 5.142 ± 0.2721
7 1342 1342/1342 1342 ± 0.00002442 5.155 4.978/5.238 5.098 ± 0.2866
8 1342 1342/1342 1342 ± 0.00002466 5.156 4.946/5.282 5.111 ± 0.2672
9 1342 1342/1342 1342 ± 0.00002466 5.419 5.312/5.625 5.411 ± 0.3143
10 1342 1342/1342 1342 ± 0.00002442 5.863 5.719/5.933 5.812 ± 0.289
11 1342 1342/1342 1342 ± 0.00002442 6.126 6.004/6.269 6.096 ± 0.2916
12 1342 1342/1342 1342 ± 0.00002442 6.314 6.102/6.445 6.259 ± 0.306
13 1342 1342/1342 1342 ± 0.00002442 6.567 6.231/6.711 6.462 ± 0.3376
14 1342 1342/1342 1342 ± 0.0000268 6.357 5.968/6.606 6.292 ± 0.4442
15 1342 1342/1342 1342 ± 0.00002608 6.374 6.078/6.61 6.331 ± 0.3997
16 1342 1342/1342 1342 ± 0.00005676 3.692 3.495/3.948 3.717 ± 0.3427
17 1342 1342/1342 1342 ± 0.0000588 3.832 3.641/4.097 3.878 ± 0.3498
vis
VLASS2.1.sb38452360.eb38575738.59077.463367233795_split_split.ms
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2024-11-02 06:21:54.771
End
2024-11-02 07:08:33.072
Duration
0:46:38.301
Note, WebLog generation is not included in the time.

CASA logs for stage 8