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

Statwt Summary Plot

VLASS2.1.sb38521729.eb38627577.59093.001901145835_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 5.422 5.192/5.876 5.615 ± 0.5277
ea02 1342 1342/1342 1342 ± 0 5.657 5.311/6.397 5.86 ± 0.6694
ea04 1342 1342/1342 1342 ± 0 5.489 5.128/6.157 5.697 ± 0.5759
ea05 1342 1342/1342 1342 ± 0 5.451 5.045/6.022 5.58 ± 0.5949
ea06 1342 1342/1342 1342 ± 0 4.898 4.612/5.294 4.962 ± 0.3799
ea07 1342 1342/1342 1342 ± 0 5.85 5.354/6.117 5.871 ± 0.583
ea08 1342 1342/1342 1342 ± 0.000004568 5.669 5.374/6.521 5.961 ± 0.6756
ea09 1342 1342/1342 1342 ± 0 5.512 5.112/6.205 5.676 ± 0.6216
ea10 1342 1342/1342 1342 ± 0 5.798 5.203/6.45 5.804 ± 0.6851
ea11 1342 1342/1342 1342 ± 0 5.77 5.07/6.254 5.732 ± 0.6726
ea12 1342 1342/1342 1342 ± 0 6.326 6.115/6.734 6.41 ± 0.3924
ea13 1342 1342/1342 1342 ± 0 5.761 5.572/6.277 5.995 ± 0.5171
ea14 1342 1342/1342 1342 ± 0 5.624 5.113/6.159 5.694 ± 0.6481
ea15 1342 1342/1342 1342 ± 0 5.622 5.1/6.261 5.739 ± 0.703
ea16 1342 1342/1342 1342 ± 0 5.901 5.435/6.556 6.049 ± 0.7175
ea17 1342 1342/1342 1342 ± 0.00001011 5.828 5.439/6.357 5.982 ± 0.6237
ea18 1342 1342/1342 1342 ± 0 4.955 4.615/5.534 5.104 ± 0.521
ea19 1342 1342/1342 1342 ± 0 5.676 5.258/6.289 5.858 ± 0.6151
ea20 1342 1342/1342 1342 ± 0 5.978 5.541/6.593 6.109 ± 0.6444
ea21 1342 1342/1342 1342 ± 0 5.488 5.095/6.023 5.583 ± 0.5652
ea22 1342 1342/1342 1342 ± 0 5.371 5.143/6.266 5.678 ± 0.6527
ea23 1342 1342/1342 1342 ± 0 5.902 5.281/6.282 5.925 ± 0.6771
ea25 1342 1342/1342 1342 ± 0 5.517 5.057/5.969 5.584 ± 0.5993
ea26 1342 1342/1342 1342 ± 0 5.806 5.523/6.628 6.043 ± 0.6657
ea27 1342 1342/1342 1342 ± 0.00002348 5.523 5.221/6.288 5.689 ± 0.5977
ea28 1342 1342/1342 1342 ± 0.00002717 5.543 5.269/6.331 5.796 ± 0.6481
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 ± 0.00002393 5.193 5.035/5.394 5.19 ± 0.2431
3 1342 1342/1342 1342 ± 0.00002393 5.103 4.965/5.272 5.102 ± 0.2472
4 1342 1342/1342 1342 ± 0.00002393 5.127 4.954/5.29 5.117 ± 0.2652
5 1342 1342/1342 1342 ± 0.00002393 5.266 4.996/5.383 5.217 ± 0.2833
6 1342 1342/1342 1342 ± 0.00002393 5.209 5.061/5.37 5.162 ± 0.2854
7 1342 1342/1342 1342 ± 0.00002393 5.248 5.121/5.379 5.231 ± 0.249
8 1342 1342/1342 1342 ± 0.00002393 5.249 5.128/5.367 5.213 ± 0.2614
9 1342 1342/1342 1342 ± 0.00002393 5.489 5.369/5.743 5.493 ± 0.2956
10 1342 1342/1342 1342 ± 0.00002348 5.927 5.802/6.091 5.924 ± 0.2918
11 1342 1342/1342 1342 ± 0.00002348 6.216 6.004/6.272 6.138 ± 0.3031
12 1342 1342/1342 1342 ± 0.00002348 6.352 6.162/6.472 6.299 ± 0.3222
13 1342 1342/1342 1342 ± 0.00002348 6.777 6.623/6.899 6.723 ± 0.3419
14 1342 1342/1342 1342 ± 0.00002348 6.972 6.749/7.132 6.894 ± 0.3859
15 1342 1342/1342 1342 ± 0.00002348 6.628 6.342/6.726 6.52 ± 0.3862
16 1342 1342/1342 1342 ± 0.00003116 5.828 5.633/6.1 5.848 ± 0.3598
17 1342 1342/1342 1342 ± 0.00003071 5.884 5.602/6.151 5.866 ± 0.3288
vis
VLASS2.1.sb38521729.eb38627577.59093.001901145835_split_split.ms
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
Start time
2024-05-01 10:29:40.004
End
2024-05-01 11:18:40.993
Duration
0:49:00.989
Note, WebLog generation is not included in the time.

CASA logs for stage 7