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

Statwt Summary Plot

VLASS2.2.sb40869292.eb40982614.59542.13818863426_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 6.099 5.823/6.722 6.178 ± 0.7905
ea03 1342 1342/1342 1342 ± 0.00001435 5.677 5.239/6.364 5.761 ± 0.698
ea04 1342 1342/1342 1342 ± 0 5.606 5.257/6.054 5.743 ± 0.5046
ea05 1342 1342/1342 1342 ± 0 5.968 5.608/6.572 6.1 ± 0.6566
ea06 1342 1342/1342 1342 ± 0 6.017 5.619/6.387 6.064 ± 0.5368
ea07 1342 1342/1342 1342 ± 0 5.945 5.429/6.084 5.92 ± 0.5137
ea08 1342 1342/1342 1342 ± 0.00001192 6.21 5.64/6.53 6.184 ± 0.6425
ea09 1342 1342/1342 1342 ± 0.000006935 5.968 5.49/6.669 6.083 ± 0.7124
ea10 1342 1342/1342 1342 ± 0 5.955 5.558/6.597 6.063 ± 0.5849
ea11 1342 1342/1342 1342 ± 0 6.129 5.457/6.581 6.11 ± 0.6992
ea12 1342 1342/1342 1342 ± 0.000001098 6.046 5.693/6.646 6.187 ± 0.7551
ea13 1342 1342/1342 1342 ± 0 6.005 5.894/6.348 6.132 ± 0.4705
ea14 1342 1342/1342 1342 ± 0 5.968 5.625/6.552 6.1 ± 0.6712
ea15 1342 1342/1342 1342 ± 0.000001553 5.502 5.119/5.894 5.555 ± 0.5795
ea16 1342 1342/1342 1342 ± 0 6.188 5.828/6.651 6.276 ± 0.6623
ea17 1342 1342/1342 1342 ± 0 6.544 6.26/7.325 6.777 ± 0.6398
ea18 1342 1342/1342 1342 ± 0 5.107 4.884/5.6 5.263 ± 0.4862
ea19 1342 1342/1342 1342 ± 0 6.304 5.923/6.887 6.441 ± 0.6395
ea20 1342 1342/1342 1342 ± 0 5.826 5.569/6.376 5.969 ± 0.6235
ea21 1342 1342/1342 1342 ± 0 5.63 5.457/6.228 5.853 ± 0.5153
ea22 1342 1342/1342 1342 ± 0.00001212 5.889 5.494/6.423 5.979 ± 0.6182
ea23 1342 1342/1342 1342 ± 0.000001098 6.212 5.824/6.544 6.283 ± 0.6668
ea24 1342 1342/1342 1342 ± 0.000005546 6.021 5.318/6.433 5.891 ± 0.5766
ea25 1342 1342/1342 1342 ± 0 6.273 5.74/6.734 6.312 ± 0.7689
ea26 1342 1342/1342 1342 ± 0 6.341 5.913/6.966 6.479 ± 0.6331
ea27 1342 1342/1342 1342 ± 0 5.816 5.481/6.611 6.016 ± 0.6449
ea28 1342 1342/1342 1342 ± 0 6.028 5.694/6.652 6.199 ± 0.6455
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 ± 0.00002306 5.705 5.491/5.926 5.697 ± 0.2792
3 1342 1342/1342 1342 ± 0.00003065 5.109 4.884/5.286 5.071 ± 0.4375
4 1342 1342/1342 1342 ± 0.00002306 5.476 5.241/5.792 5.491 ± 0.3932
5 1342 1342/1342 1342 ± 0.00002306 5.646 5.391/5.832 5.636 ± 0.3354
6 1342 1342/1342 1342 ± 0.00002306 5.602 5.393/5.788 5.566 ± 0.2661
7 1342 1342/1342 1342 ± 0.00002306 5.6 5.404/5.776 5.585 ± 0.2758
8 1342 1342/1342 1342 ± 0.00002306 5.47 5.273/5.682 5.499 ± 0.308
9 1342 1342/1342 1342 ± 0.00002306 5.788 5.6/5.985 5.763 ± 0.3077
10 1342 1342/1342 1342 ± 0.00002306 6.244 6.048/6.398 6.157 ± 0.3133
11 1342 1342/1342 1342 ± 0.00002306 6.412 6.282/6.564 6.371 ± 0.3044
12 1342 1342/1342 1342 ± 0.00002306 6.574 6.327/6.674 6.521 ± 0.3625
13 1342 1342/1342 1342 ± 0.00002306 7.004 6.749/7.328 7.016 ± 0.3871
14 1342 1342/1342 1342 ± 0.00002306 7.245 7.038/7.497 7.227 ± 0.3944
15 1342 1342/1342 1342 ± 0.00002306 6.899 6.712/7.229 6.923 ± 0.367
16 1342 1342/1342 1342 ± 0.00002306 6.279 5.94/6.592 6.284 ± 0.3898
17 1342 1342/1342 1342 ± 0.00002306 6.111 5.982/6.487 6.223 ± 0.3758
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.2.sb40869292.eb40982614.59542.13818863426_split_split.ms
Start time
2025-04-23 16:58:13.230
End
2025-04-23 18:10:24.549
Duration
1:12:11.319
Note, WebLog generation is not included in the time.

CASA logs for stage 8