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

Statwt Summary Plot

VLASS2.1.sb38499285.eb38509861.59047.50492306713_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 5.406 5.187/6.014 5.467 ± 0.7525
ea02 1342 1342/1342 1342 ± 0.00004272 5.852 5.436/6.696 5.888 ± 0.8928
ea04 1342 1342/1342 1342 ± 0.000001753 5.473 5.055/6.017 5.392 ± 0.7712
ea05 1342 1342/1342 1342 ± 0.000008045 5.737 5.329/6.523 5.84 ± 0.7685
ea06 1342 1342/1342 1342 ± 0.000002705 5.172 4.934/5.895 5.225 ± 0.7811
ea07 1342 1342/1342 1342 ± 0.00004283 5.835 5.434/6.288 5.706 ± 0.8154
ea08 1342 1342/1342 1342 ± 0.00004154 5.823 5.614/6.971 6.016 ± 0.9842
ea09 1342 1342/1342 1342 ± 0.00002543 5.187 4.972/5.894 5.366 ± 0.5833
ea10 1342 1342/1342 1342 ± 0.00004285 5.087 4.873/5.916 5.19 ± 0.7199
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.000006618 5.663 5.458/6.6 5.726 ± 1.008
ea13 1342 1342/1342 1342 ± 0.00002368 5.776 5.654/6.31 5.913 ± 0.7002
ea14 1342 1342/1342 1342 ± 0.000004597 5.63 5.153/6.581 5.752 ± 0.8006
ea15 1342 1342/1342 1342 ± 0 5.428 5.133/6.465 5.67 ± 0.8936
ea16 1342 1342/1342 1342 ± 0.00001571 5.792 5.28/6.707 5.915 ± 0.8806
ea17 1342 1342/1342 1342 ± 0.00004419 5.939 5.489/6.633 5.894 ± 0.9288
ea18 1342 1342/1342 1342 ± 0.00003272 5.076 4.753/5.799 5.079 ± 0.7329
ea19 1342 1342/1342 1342 ± 0 5.938 5.691/6.776 6.075 ± 0.7746
ea20 1342 1342/1342 1342 ± 0.00001608 6.068 5.679/6.989 6.082 ± 1.136
ea21 1342 1342/1342 1342 ± 0.00001339 5.636 5.443/6.451 5.695 ± 0.7806
ea22 1342 1342/1342 1342 ± 0.00003956 5.478 5.224/6.473 5.698 ± 0.7934
ea23 1342 1342/1342 1342 ± 0.00004521 6.467 5.722/6.664 5.962 ± 1.099
ea24 1342 1342/1342 1342 ± 0.00001567 5.046 4.875/6.1 5.43 ± 0.6375
ea25 1342 1342/1342 1342 ± 0.00004272 5.637 5.29/6.377 5.649 ± 0.8678
ea26 1342 1342/1342 1342 ± 0.00003393 5.772 5.512/6.914 6.043 ± 0.8175
ea27 1342 1342/1342 1342 ± 0.00004338 5.621 5.289/6.568 5.683 ± 0.8646
ea28 1342 1342/1342 1342 ± 0.00004237 5.818 5.539/6.779 5.868 ± 0.9231
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 ± 0.00002396 5.482 5.335/5.767 5.496 ± 0.3282
3 1342 1342/1342 1342 ± 0.00003909 4.983 4.86/5.199 5.029 ± 0.2883
5 1342 1342/1342 1342 ± 0.00002417 5.352 5.123/5.571 5.347 ± 0.2915
6 1342 1342/1342 1342 ± 0.00002396 5.458 5.145/5.621 5.388 ± 0.2841
7 1342 1342/1342 1342 ± 0.00002396 5.448 5.238/5.645 5.429 ± 0.284
8 1342 1342/1342 1342 ± 0.00002396 5.463 5.102/5.615 5.389 ± 0.3157
9 1342 1342/1342 1342 ± 0.00002444 5.735 5.373/5.946 5.699 ± 0.3043
10 1342 1342/1342 1342 ± 0.00002351 6.212 5.9/6.277 6.102 ± 0.3361
11 1342 1342/1342 1342 ± 0.00002351 6.462 6.095/6.631 6.394 ± 0.3328
12 1342 1342/1342 1342 ± 0.00002351 6.597 6.29/6.796 6.547 ± 0.3674
13 1342 1342/1342 1342 ± 0.00002353 6.811 6.43/7.101 6.751 ± 0.4002
14 1342 1342/1342 1342 ± 0.00002465 6.507 6.201/6.923 6.553 ± 0.4772
15 1342 1342/1342 1342 ± 0.00002483 6.683 6.337/6.928 6.584 ± 0.4375
16 1342 1342/1342 1342 ± 0.00006094 4.047 3.844/4.351 4.112 ± 0.3556
17 1342 1342/1342 1342 ± 0.00006082 4.216 3.98/4.488 4.216 ± 0.3508
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS2.1.sb38499285.eb38509861.59047.50492306713_split_split.ms
overwrite_modelcol
False
Start time
2024-11-07 22:14:44.676
End
2024-11-07 23:17:44.169
Duration
1:02:59.493
Note, WebLog generation is not included in the time.

CASA logs for stage 8