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

Statwt Summary Plot

VLASS2.1.sb38520431.eb38554942.59063.924480127316_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 4.13 3.94/4.201 4.063 ± 0.2471
ea02 1342 1342/1342 1342 ± 0 5.098 4.792/5.25 5.072 ± 0.2972
ea04 1342 1342/1342 1342 ± 0 4.148 3.989/4.313 4.176 ± 0.2213
ea05 1342 1342/1342 1342 ± 0 5.284 5.145/5.622 5.368 ± 0.357
ea06 1342 1342/1342 1342 ± 0 2.356 2.287/2.44 2.386 ± 0.1347
ea07 1342 1342/1342 1342 ± 0 5.135 4.983/5.298 5.157 ± 0.2068
ea08 1342 1342/1342 1342 ± 0 5.404 4.954/5.687 5.353 ± 0.4316
ea09 1342 1342/1342 1342 ± 0 4.428 4.294/4.65 4.478 ± 0.2867
ea10 1342 1342/1342 1342 ± 0 5.113 4.895/5.476 5.157 ± 0.3606
ea11 1342 1342/1342 1342 ± 0 4.178 4.088/4.232 4.135 ± 0.2783
ea12 1342 1342/1342 1342 ± 0 4.811 4.577/5.047 4.83 ± 0.2531
ea13 1342 1342/1342 1342 ± 0 4.324 4.171/4.432 4.33 ± 0.2296
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea16 1342 1342/1342 1342 ± 0 4.597 4.426/4.925 4.654 ± 0.2637
ea17 1342 1342/1342 1342 ± 0 5.542 5.422/5.961 5.677 ± 0.3963
ea18 1342 1342/1342 1342 ± 0 4.569 4.472/4.956 4.696 ± 0.2834
ea19 1342 1342/1342 1342 ± 0 5.51 5.243/5.769 5.512 ± 0.3351
ea21 1342 1342/1342 1342 ± 0 4.61 4.407/4.684 4.524 ± 0.2376
ea22 1342 1342/1342 1342 ± 0 4.971 4.814/5.369 5.085 ± 0.339
ea23 1342 1342/1342 1342 ± 0 4.331 4.264/4.448 4.337 ± 0.2251
ea25 1342 1342/1342 1342 ± 0 4.107 4.082/4.41 4.227 ± 0.2056
ea26 1342 1342/1342 1342 ± 0 4.827 4.694/4.918 4.806 ± 0.2138
ea27 1342 1342/1342 1342 ± 0.000002727 4.886 4.667/5.213 4.934 ± 0.3221
ea28 1342 1342/1342 1342 ± 0 4.223 4.111/4.286 4.182 ± 0.2822
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 ± 0.00002622 4.914 4.747/5.219 4.979 ± 0.3316
3 1342 1342/1342 1342 ± 0.00003294 4.725 4.536/4.901 4.719 ± 0.334
4 1342 1342/1342 1342 ± 0.00002684 4.698 4.409/4.997 4.744 ± 0.4249
5 1342 1342/1342 1342 ± 0.00002622 4.67 4.4/5.157 4.728 ± 0.3889
6 1342 1342/1342 1342 ± 0.00002622 4.661 4.273/4.992 4.627 ± 0.4006
7 1342 1342/1342 1342 ± 0.00002622 4.58 4.264/4.878 4.583 ± 0.3523
8 1342 1342/1342 1342 ± 0.00002622 4.495 4.158/4.751 4.484 ± 0.377
9 1342 1342/1342 1342 ± 0.00002622 4.459 4.126/5.049 4.58 ± 0.4848
10 1342 1342/1342 1342 ± 0.00002625 4.675 4.318/5.261 4.699 ± 0.6761
11 1342 1342/1342 1342 ± 0.00002625 4.74 4.287/5.33 4.755 ± 0.753
12 1342 1342/1342 1342 ± 0.00002625 4.919 4.236/5.433 4.812 ± 0.8067
13 1342 1342/1342 1342 ± 0.00002625 5.068 4.404/5.612 5.002 ± 0.8438
14 1342 1342/1342 1342 ± 0.00002625 5.153 4.418/5.783 5.022 ± 0.882
15 1342 1342/1342 1342 ± 0.00002625 4.912 4.19/5.441 4.72 ± 0.8381
16 1342 1342/1342 1342 ± 0.00002629 4.467 3.915/4.67 4.285 ± 0.6795
17 1342 1342/1342 1342 ± 0.00002631 4.463 3.929/4.687 4.281 ± 0.6915
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS2.1.sb38520431.eb38554942.59063.924480127316_split_split.ms
output_dir
 
Start time
2024-03-29 06:08:16.673
End
2024-03-29 06:58:20.985
Duration
0:50:04.312
Note, WebLog generation is not included in the time.

CASA logs for stage 7