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 5.622 5.321/6.146 5.738 ± 0.552
ea02 1342 1342/1342 1342 ± 0.00001055 5.87 5.5/6.529 6.025 ± 0.6527
ea04 1342 1342/1342 1342 ± 0.0000178 5.484 5.166/6.08 5.619 ± 0.5065
ea05 1342 1342/1342 1342 ± 0 5.853 5.471/6.441 5.899 ± 0.5559
ea06 1342 1342/1342 1342 ± 0 5.66 5.156/5.992 5.621 ± 0.489
ea07 1342 1342/1342 1342 ± 0 5.224 5.05/5.645 5.313 ± 0.2707
ea08 1342 1342/1342 1342 ± 0.00002492 5.956 5.662/6.655 6.167 ± 0.6541
ea09 1342 1342/1342 1342 ± 0 5.476 5.033/5.95 5.482 ± 0.4773
ea10 1342 1342/1342 1342 ± 0.00003495 5.368 5.115/6.093 5.545 ± 0.5602
ea11 1342 1342/1342 1342 ± 0.000004619 5.781 5.44/6.444 5.947 ± 0.6093
ea13 1342 1342/1342 1342 ± 0 6.041 5.752/6.203 6.093 ± 0.4464
ea14 1342 1342/1342 1342 ± 0.00001762 5.86 5.499/6.471 5.978 ± 0.6374
ea15 1342 1342/1342 1342 ± 0 5.935 5.47/6.417 6.024 ± 0.6683
ea16 1342 1342/1342 1342 ± 0 6.118 5.631/6.623 6.138 ± 0.669
ea17 1342 1342/1342 1342 ± 0.00001435 5.624 5.457/5.835 5.639 ± 0.2197
ea18 1342 1342/1342 1342 ± 0 5.176 4.863/5.648 5.23 ± 0.4892
ea19 1342 1342/1342 1342 ± 0 5.792 5.686/5.9 5.771 ± 0.1402
ea20 1342 1342/1342 1342 ± 0 6.166 5.752/6.813 6.21 ± 0.6076
ea21 1342 1342/1342 1342 ± 0 5.603 5.483/6.263 5.872 ± 0.5149
ea22 1342 1342/1342 1342 ± 0.000005227 5.78 5.27/6.4 5.837 ± 0.6455
ea23 1342 1342/1342 1342 ± 0.000006499 5.632 5.57/6.537 6.016 ± 0.6511
ea24 1342 1342/1342 1342 ± 0 5.766 5.062/6.177 5.606 ± 0.5714
ea25 1342 1342/1342 1342 ± 0.000007817 5.49 5.387/6.205 5.752 ± 0.5709
ea26 1342 1342/1342 1342 ± 0 6.204 5.802/6.884 6.274 ± 0.6458
ea27 1342 1342/1342 1342 ± 0.000008268 5.523 5.242/5.619 5.425 ± 0.234
ea28 1342 1342/1342 1342 ± 0.0000353 5.671 5.5/6.467 5.935 ± 0.6325
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 ± 0.00002361 5.551 5.315/5.666 5.489 ± 0.2616
3 1342 1342/1342 1342 ± 0.00002546 5.061 4.86/5.289 5.111 ± 0.3649
4 1342 1342/1342 1342 ± 0.00004037 5.301 5.038/5.394 5.217 ± 0.2555
5 1342 1342/1342 1342 ± 0.00002361 5.458 5.27/5.635 5.472 ± 0.2998
6 1342 1342/1342 1342 ± 0.00002361 5.451 5.186/5.62 5.402 ± 0.2644
7 1342 1342/1342 1342 ± 0.00002361 5.466 5.192/5.604 5.426 ± 0.259
8 1342 1342/1342 1342 ± 0.00002361 5.428 5.072/5.588 5.359 ± 0.2918
9 1342 1342/1342 1342 ± 0.00002363 5.682 5.411/5.889 5.629 ± 0.31
10 1342 1342/1342 1342 ± 0.0000256 6.07 5.85/6.169 5.982 ± 0.3149
11 1342 1342/1342 1342 ± 0.0000256 6.205 6.022/6.396 6.197 ± 0.2975
12 1342 1342/1342 1342 ± 0.0000256 6.398 6.154/6.532 6.331 ± 0.2971
13 1342 1342/1342 1342 ± 0.0000256 6.832 6.373/6.992 6.741 ± 0.3551
14 1342 1342/1342 1342 ± 0.0000256 7.078 6.592/7.254 6.964 ± 0.377
15 1342 1342/1342 1342 ± 0.0000256 6.728 6.311/6.927 6.624 ± 0.3814
16 1342 1342/1342 1342 ± 0.00004226 5.748 5.588/5.984 5.779 ± 0.3153
17 1342 1342/1342 1342 ± 0.00003734 5.831 5.607/6.106 5.845 ± 0.3013
output_dir
 
vis
VLASS2.1.sb38483282.eb38504007.59045.97679461805_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2024-04-13 06:31:11.778
End
2024-04-13 07:35:19.417
Duration
1:04:07.640
Note, WebLog generation is not included in the time.

CASA logs for stage 7