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

Statwt Summary Plot

VLASS2.1.sb38617404.eb38633387.59098.857396747684_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 5.141 4.765/5.57 5.204 ± 0.5507
ea02 1342 1342/1342 1342 ± 0 5.212 4.879/5.896 5.363 ± 0.6578
ea04 1342 1342/1342 1342 ± 0 4.774 4.439/5.396 4.954 ± 0.539
ea05 1342 1342/1342 1342 ± 0 5.027 4.421/5.552 5.056 ± 0.6603
ea06 1342 1342/1342 1342 ± 0 4.866 4.352/5.374 4.913 ± 0.57
ea07 1342 1342/1342 1342 ± 0.000001498 5.589 4.858/5.736 5.414 ± 0.5845
ea08 1342 1342/1342 1342 ± 0 5.157 5.031/6.085 5.511 ± 0.6441
ea09 1342 1342/1342 1342 ± 0 4.864 4.507/5.595 5.077 ± 0.6413
ea10 1342 1342/1342 1342 ± 0.000003646 5.424 4.844/6.03 5.412 ± 0.6705
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.277 4.845/5.858 5.403 ± 0.6238
ea13 1342 1342/1342 1342 ± 0 5.401 4.744/5.868 5.36 ± 0.6896
ea14 1342 1342/1342 1342 ± 0 5.233 4.602/5.802 5.276 ± 0.6472
ea15 1342 1342/1342 1342 ± 0 4.987 4.484/5.586 5.094 ± 0.6354
ea16 1342 1342/1342 1342 ± 0 5.729 5.082/6.258 5.74 ± 0.7316
ea17 1342 1342/1342 1342 ± 0.000002977 5.245 4.687/5.953 5.344 ± 0.7121
ea18 1342 1342/1342 1342 ± 0 4.584 4.295/5.05 4.673 ± 0.4938
ea19 1342 1342/1342 1342 ± 0 5.335 4.724/6.033 5.414 ± 0.7136
ea20 1342 1342/1342 1342 ± 0 5.575 5.037/6.178 5.646 ± 0.6522
ea21 1342 1342/1342 1342 ± 0 5.09 4.503/5.561 5.095 ± 0.6148
ea22 1342 1342/1342 1342 ± 0 5.08 4.686/5.804 5.212 ± 0.6586
ea23 1342 1342/1342 1342 ± 0 5.406 4.726/5.808 5.408 ± 0.6591
ea25 1342 1342/1342 1342 ± 0.000006309 5.036 4.606/5.55 5.102 ± 0.5735
ea26 1342 1342/1342 1342 ± 0 5.546 4.831/6.114 5.513 ± 0.7731
ea27 1342 1342/1342 1342 ± 0.00003998 5.264 4.701/5.876 5.274 ± 0.573
ea28 1342 1342/1342 1342 ± 0.000015 5.183 4.874/5.885 5.358 ± 0.6432
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 ± 0.00002395 4.564 4.46/4.66 4.59 ± 0.1907
3 1342 1342/1342 1342 ± 0.00002397 4.411 4.289/4.614 4.445 ± 0.2104
4 1342 1342/1342 1342 ± 0.00002474 4.554 4.358/4.75 4.567 ± 0.2735
5 1342 1342/1342 1342 ± 0.00002395 4.638 4.47/4.803 4.657 ± 0.2486
6 1342 1342/1342 1342 ± 0.00002395 4.792 4.481/4.859 4.703 ± 0.2351
7 1342 1342/1342 1342 ± 0.00002395 4.845 4.644/4.877 4.786 ± 0.2167
8 1342 1342/1342 1342 ± 0.00002395 4.815 4.615/4.976 4.789 ± 0.2362
9 1342 1342/1342 1342 ± 0.00002395 5.079 4.894/5.325 5.055 ± 0.2839
10 1342 1342/1342 1342 ± 0.00002395 5.487 5.344/5.679 5.482 ± 0.2703
11 1342 1342/1342 1342 ± 0.00002395 5.721 5.513/5.84 5.684 ± 0.2723
12 1342 1342/1342 1342 ± 0.00002395 5.884 5.64/6.006 5.837 ± 0.2915
13 1342 1342/1342 1342 ± 0.00002395 6.153 6.04/6.378 6.183 ± 0.301
14 1342 1342/1342 1342 ± 0.00002395 6.494 6.115/6.565 6.357 ± 0.3339
15 1342 1342/1342 1342 ± 0.00002395 6.21 5.886/6.312 6.109 ± 0.3159
16 1342 1342/1342 1342 ± 0.00003472 5.494 5.227/5.818 5.518 ± 0.3267
17 1342 1342/1342 1342 ± 0.00003331 5.495 5.31/5.729 5.532 ± 0.2974
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
vis
VLASS2.1.sb38617404.eb38633387.59098.857396747684_split_split.ms
Start time
2025-05-12 08:42:48.820
End
2025-05-12 09:10:52.820
Duration
0:28:04.000
Note, WebLog generation is not included in the time.

CASA logs for stage 8