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

Statwt Summary Plot

VLASS2.1.sb38483282.eb38504007.59045.97679461805_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 5.829 5.304/6.242 5.771 ± 0.567
ea02 1342 1342/1342 1342 ± 0 5.847 5.417/6.585 5.986 ± 0.6637
ea04 1342 1342/1342 1342 ± 0.000004869 5.579 5.218/6.136 5.698 ± 0.5413
ea05 1342 1342/1342 1342 ± 0.000001235 5.991 5.457/6.596 5.963 ± 0.6156
ea06 1342 1342/1342 1342 ± 0 5.608 5.076/5.996 5.558 ± 0.5127
ea07 1342 1342/1342 1342 ± 0 5.288 5.155/5.442 5.297 ± 0.1911
ea08 1342 1342/1342 1342 ± 0 5.919 5.647/6.747 6.186 ± 0.6801
ea09 1342 1342/1342 1342 ± 0 5.12 4.906/5.741 5.283 ± 0.4572
ea10 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea11 1342 1342/1342 1342 ± 0 5.808 5.371/6.456 5.944 ± 0.6199
ea13 1342 1342/1342 1342 ± 0 6.182 5.758/6.367 6.171 ± 0.501
ea14 1342 1342/1342 1342 ± 0 6.127 5.445/6.573 6.059 ± 0.6733
ea15 1342 1342/1342 1342 ± 0 5.927 5.477/6.594 6.133 ± 0.733
ea16 1342 1342/1342 1342 ± 0 6.181 5.708/6.763 6.293 ± 0.7143
ea17 1342 1342/1342 1342 ± 0.000001766 5.669 5.559/5.829 5.69 ± 0.1739
ea18 1342 1342/1342 1342 ± 0 5.27 4.874/5.765 5.311 ± 0.5194
ea19 1342 1342/1342 1342 ± 0 5.709 5.657/5.836 5.741 ± 0.103
ea20 1342 1342/1342 1342 ± 0 6.347 5.758/6.865 6.289 ± 0.6431
ea21 1342 1342/1342 1342 ± 0 5.861 5.454/6.362 5.934 ± 0.5655
ea22 1342 1342/1342 1342 ± 0 5.514 5.227/6.463 5.792 ± 0.6604
ea23 1342 1342/1342 1342 ± 0 6.195 5.531/6.629 6.126 ± 0.6826
ea24 1342 1342/1342 1342 ± 0 5.957 5.058/6.351 5.711 ± 0.6349
ea25 1342 1342/1342 1342 ± 0 5.625 5.419/6.371 5.898 ± 0.6029
ea26 1342 1342/1342 1342 ± 0 6.165 5.685/6.964 6.244 ± 0.7061
ea27 1342 1342/1342 1342 ± 0 5.485 5.288/5.58 5.433 ± 0.1505
ea28 1342 1342/1342 1342 ± 0.00003948 5.792 5.453/6.528 5.965 ± 0.6698
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 ± 0.0000241 5.45 5.281/5.584 5.422 ± 0.2288
3 1342 1342/1342 1342 ± 0.00002412 5.29 5.086/5.558 5.317 ± 0.2848
4 1342 1342/1342 1342 ± 0.00002624 5.287 5.08/5.433 5.233 ± 0.3206
5 1342 1342/1342 1342 ± 0.0000241 5.449 5.281/5.648 5.443 ± 0.2996
6 1342 1342/1342 1342 ± 0.00002458 5.389 5.134/5.543 5.354 ± 0.2628
7 1342 1342/1342 1342 ± 0.0000241 5.442 5.219/5.655 5.426 ± 0.2676
8 1342 1342/1342 1342 ± 0.0000241 5.455 5.156/5.57 5.373 ± 0.2936
9 1342 1342/1342 1342 ± 0.00002412 5.737 5.496/5.911 5.657 ± 0.326
10 1342 1342/1342 1342 ± 0.00002622 6.137 5.957/6.254 6.06 ± 0.3321
11 1342 1342/1342 1342 ± 0.00002622 6.37 6.225/6.477 6.294 ± 0.3237
12 1342 1342/1342 1342 ± 0.00002622 6.493 6.339/6.623 6.433 ± 0.3332
13 1342 1342/1342 1342 ± 0.00002622 6.971 6.566/7.114 6.864 ± 0.3946
14 1342 1342/1342 1342 ± 0.00002622 7.141 6.886/7.459 7.063 ± 0.4104
15 1342 1342/1342 1342 ± 0.00002622 6.818 6.478/7.029 6.713 ± 0.4321
16 1342 1342/1342 1342 ± 0.00003577 5.926 5.599/6.206 5.922 ± 0.3967
17 1342 1342/1342 1342 ± 0.00003532 5.892 5.702/6.227 5.961 ± 0.3588
datacolumn
residual_data
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38483282.eb38504007.59045.97679461805_split_split.ms
statwtmode
VLASS-SE
Start time
2024-04-13 04:40:11.208
End
2024-04-13 05:30:02.469
Duration
0:49:51.261
Note, WebLog generation is not included in the time.

CASA logs for stage 7