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

Statwt Summary Plot

VLASS2.1.sb38610763.eb38659643.59111.9147512037_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 5.549 5.174/6.015 5.634 ± 0.5675
ea02 1342 1342/1342 1342 ± 0.000004852 5.522 5.146/6.166 5.699 ± 0.6475
ea04 1342 1342/1342 1342 ± 0 5.182 4.892/5.804 5.379 ± 0.5692
ea05 1342 1342/1342 1342 ± 0 5.479 5.016/5.901 5.52 ± 0.5786
ea06 1342 1342/1342 1342 ± 0 4.9 4.601/5.294 4.971 ± 0.4048
ea07 1342 1342/1342 1342 ± 0 5.866 5.332/6.117 5.857 ± 0.5933
ea08 1342 1342/1342 1342 ± 0 5.758 5.496/6.564 6.048 ± 0.682
ea09 1342 1342/1342 1342 ± 0 5.26 4.77/5.878 5.358 ± 0.6343
ea10 1342 1342/1342 1342 ± 0 5.98 5.313/6.691 5.941 ± 0.7019
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.647 5.209/6.33 5.83 ± 0.6629
ea13 1342 1342/1342 1342 ± 0 5.842 5.148/6.105 5.66 ± 0.5871
ea14 1342 1342/1342 1342 ± 0 5.656 5.146/6.309 5.744 ± 0.7156
ea15 1342 1342/1342 1342 ± 0 5.377 4.988/6.036 5.571 ± 0.6513
ea16 1342 1342/1342 1342 ± 0 5.924 5.381/6.619 6.066 ± 0.7581
ea17 1342 1342/1342 1342 ± 0 5.895 5.534/6.455 6.044 ± 0.6465
ea18 1342 1342/1342 1342 ± 0 4.922 4.611/5.469 5.027 ± 0.5743
ea19 1342 1342/1342 1342 ± 0 5.751 5.292/6.439 5.921 ± 0.6742
ea20 1342 1342/1342 1342 ± 0 5.99 5.573/6.675 6.15 ± 0.6822
ea21 1342 1342/1342 1342 ± 0 5.565 5.169/6.116 5.676 ± 0.5941
ea22 1342 1342/1342 1342 ± 0 5.159 4.945/6.048 5.48 ± 0.6348
ea23 1342 1342/1342 1342 ± 0 5.945 5.362/6.362 5.998 ± 0.706
ea25 1342 1342/1342 1342 ± 0 5.54 5.209/6.122 5.702 ± 0.5834
ea26 1342 1342/1342 1342 ± 0 5.696 5.015/6.323 5.613 ± 0.7136
ea27 1342 1342/1342 1342 ± 0 5.472 5.204/6.335 5.686 ± 0.6169
ea28 1342 1342/1342 1342 ± 0.000007169 5.716 5.369/6.414 5.885 ± 0.7073
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 ± 0.00002394 5.11 5.006/5.385 5.164 ± 0.2634
3 1342 1342/1342 1342 ± 0.00002394 5.042 4.747/5.277 5.011 ± 0.3031
4 1342 1342/1342 1342 ± 0.00002453 5.063 4.782/5.316 5.031 ± 0.3238
5 1342 1342/1342 1342 ± 0.00002394 5.191 4.944/5.347 5.123 ± 0.3114
6 1342 1342/1342 1342 ± 0.00002394 5.154 4.981/5.259 5.084 ± 0.3052
7 1342 1342/1342 1342 ± 0.00002394 5.188 4.988/5.317 5.172 ± 0.2575
8 1342 1342/1342 1342 ± 0.00002394 5.177 4.913/5.329 5.14 ± 0.3073
9 1342 1342/1342 1342 ± 0.00002394 5.466 5.199/5.724 5.415 ± 0.3377
10 1342 1342/1342 1342 ± 0.00002394 5.892 5.7/6.051 5.856 ± 0.3334
11 1342 1342/1342 1342 ± 0.00002394 6.071 5.912/6.305 6.078 ± 0.3343
12 1342 1342/1342 1342 ± 0.00002441 6.287 6.057/6.532 6.255 ± 0.3659
13 1342 1342/1342 1342 ± 0.00002394 6.715 6.454/6.98 6.68 ± 0.3824
14 1342 1342/1342 1342 ± 0.00002394 6.891 6.628/7.139 6.847 ± 0.4193
15 1342 1342/1342 1342 ± 0.00002394 6.537 6.369/6.754 6.514 ± 0.4068
16 1342 1342/1342 1342 ± 0.00002394 5.927 5.568/6.175 5.894 ± 0.3836
17 1342 1342/1342 1342 ± 0.00002456 5.881 5.701/6.116 5.904 ± 0.3494
vis
VLASS2.1.sb38610763.eb38659643.59111.9147512037_split_split.ms
overwrite_modelcol
False
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2024-12-31 03:37:58.581
End
2024-12-31 04:26:47.367
Duration
0:48:48.786
Note, WebLog generation is not included in the time.

CASA logs for stage 8