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

Statwt Summary Plot

VLASS2.2.sb40493634.eb40941789.59520.06707907407_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 6.18 5.735/6.711 6.267 ± 0.5997
ea03 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0 5.837 5.381/6.347 5.969 ± 0.6224
ea06 1342 1342/1342 1342 ± 0 6.181 5.625/6.485 6.118 ± 0.5666
ea07 1342 1342/1342 1342 ± 0 6.223 5.596/6.439 6.18 ± 0.6095
ea08 1342 1342/1342 1342 ± 0 6.09 5.868/6.798 6.34 ± 0.611
ea09 1342 1342/1342 1342 ± 0 5.994 5.514/6.761 6.148 ± 0.6525
ea10 1342 1342/1342 1342 ± 0 6.082 5.652/6.833 6.228 ± 0.6236
ea11 1342 1342/1342 1342 ± 0 6.104 5.487/6.687 6.181 ± 0.6902
ea12 1342 1342/1342 1342 ± 0 6.263 5.71/6.761 6.338 ± 0.6741
ea13 1342 1342/1342 1342 ± 0 5.981 5.897/6.481 6.184 ± 0.5185
ea14 1342 1342/1342 1342 ± 0 6.44 5.898/6.901 6.49 ± 0.672
ea15 1342 1342/1342 1342 ± 0 5.781 5.207/6.138 5.73 ± 0.6285
ea16 1342 1342/1342 1342 ± 0 6.381 5.843/6.918 6.488 ± 0.7415
ea17 1342 1342/1342 1342 ± 0 6.652 6.076/7.412 6.723 ± 0.6895
ea18 1342 1342/1342 1342 ± 0 5.119 4.752/5.523 5.161 ± 0.527
ea19 1342 1342/1342 1342 ± 0 6.428 5.963/7.151 6.544 ± 0.7025
ea20 1342 1342/1342 1342 ± 0 6.049 5.831/6.973 6.336 ± 0.6401
ea21 1342 1342/1342 1342 ± 0.00001295 6.055 5.675/6.677 6.216 ± 0.6184
ea22 1342 1342/1342 1342 ± 0 6.337 5.727/6.727 6.256 ± 0.6657
ea23 1342 1342/1342 1342 ± 0 6.178 5.811/6.856 6.405 ± 0.691
ea24 1342 1342/1342 1342 ± 0 5.819 5.184/6.323 5.732 ± 0.5702
ea26 1342 1342/1342 1342 ± 0 6.328 5.885/7.069 6.427 ± 0.6563
ea27 1342 1342/1342 1342 ± 0 5.947 5.765/7.093 6.298 ± 0.7331
ea28 1342 1342/1342 1342 ± 0 6.069 5.868/7.027 6.457 ± 0.7113
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 ± 0.00002445 5.699 5.605/5.901 5.69 ± 0.3018
4 1342 1342/1342 1342 ± 0.00003012 5.445 5.152/5.594 5.316 ± 0.3924
5 1342 1342/1342 1342 ± 0.00002445 5.751 5.425/5.848 5.647 ± 0.3474
6 1342 1342/1342 1342 ± 0.00002445 5.64 5.454/5.797 5.599 ± 0.2838
7 1342 1342/1342 1342 ± 0.00002445 5.675 5.508/5.86 5.643 ± 0.2933
8 1342 1342/1342 1342 ± 0.00002445 5.613 5.465/5.854 5.576 ± 0.3242
9 1342 1342/1342 1342 ± 0.00002445 5.934 5.729/6.091 5.857 ± 0.3322
10 1342 1342/1342 1342 ± 0.00002445 6.408 6.273/6.511 6.308 ± 0.3414
11 1342 1342/1342 1342 ± 0.00002445 6.579 6.45/6.8 6.547 ± 0.3488
12 1342 1342/1342 1342 ± 0.00002445 6.752 6.469/6.966 6.699 ± 0.3889
13 1342 1342/1342 1342 ± 0.00002445 7.181 6.969/7.495 7.17 ± 0.4137
14 1342 1342/1342 1342 ± 0.00002445 7.428 7.176/7.682 7.381 ± 0.4077
15 1342 1342/1342 1342 ± 0.00002445 7.162 6.885/7.391 7.075 ± 0.3999
16 1342 1342/1342 1342 ± 0.00002445 6.204 6.054/6.462 6.257 ± 0.3775
17 1342 1342/1342 1342 ± 0.00002623 6.192 5.992/6.342 6.135 ± 0.3267
statwtmode
VLASS-SE
vis
VLASS2.2.sb40493634.eb40941789.59520.06707907407_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
Start time
2025-04-18 08:27:22.442
End
2025-04-18 09:12:26.725
Duration
0:45:04.283
Note, WebLog generation is not included in the time.

CASA logs for stage 8