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 5.404 5.265/6.238 5.601 ± 0.8191
ea02 1342 1342/1342 1342 ± 0.00004472 5.896 5.375/6.648 5.9 ± 0.9174
ea04 1342 1342/1342 1342 ± 0.00003376 5.127 4.918/5.833 5.279 ± 0.7381
ea05 1342 1342/1342 1342 ± 0.00002757 5.768 4.959/6.371 5.593 ± 0.8275
ea06 1342 1342/1342 1342 ± 0.00003927 5.237 4.965/5.922 5.309 ± 0.7742
ea07 1342 1342/1342 1342 ± 0.00004433 5.885 5.396/6.247 5.762 ± 0.878
ea08 1342 1342/1342 1342 ± 0.0000451 6.004 5.562/6.882 6.062 ± 1.048
ea09 1342 1342/1342 1342 ± 0.00002503 5.26 5.084/6.22 5.469 ± 0.7546
ea10 1342 1342/1342 1342 ± 0.00004314 5.199 4.9/6.015 5.335 ± 0.7351
ea11 1342 1342/1342 1342 ± 0.00004326 5.894 5.287/6.538 5.852 ± 0.9255
ea12 1342 1342/1342 1342 ± 0.00004059 5.704 5.245/6.422 5.708 ± 0.9386
ea13 1342 1342/1342 1342 ± 0.00001538 5.988 5.543/6.265 5.862 ± 0.7203
ea14 1342 1342/1342 1342 ± 0.00004242 5.701 5.29/6.567 5.841 ± 0.9221
ea15 1342 1342/1342 1342 ± 0.00002167 5.367 5.122/6.188 5.544 ± 0.8752
ea16 1342 1342/1342 1342 ± 0.00003979 5.824 5.473/6.703 5.972 ± 0.9506
ea17 1342 1342/1342 1342 ± 0.00004385 5.996 5.463/7.059 6.045 ± 1.009
ea18 1342 1342/1342 1342 ± 0.00004415 5.17 4.838/5.756 5.13 ± 0.6779
ea19 1342 1342/1342 1342 ± 0.000007571 6.014 5.468/6.647 5.967 ± 0.775
ea20 1342 1342/1342 1342 ± 0.0000431 6.462 5.821/7.101 6.146 ± 1.012
ea21 1342 1342/1342 1342 ± 0.00004034 5.498 5.293/6.24 5.61 ± 0.8222
ea22 1342 1342/1342 1342 ± 0.0000357 5.584 5.216/6.477 5.751 ± 0.8767
ea23 1342 1342/1342 1342 ± 0.00005287 6.453 6.152/7.052 6.074 ± 1.178
ea24 1342 1342/1342 1342 ± 0.00001746 5.241 4.91/6.069 5.427 ± 0.7078
ea25 1342 1342/1342 1342 ± 0.00004355 5.621 5.349/6.424 5.718 ± 0.8899
ea26 1342 1342/1342 1342 ± 0.00002564 5.801 5.641/6.859 6.047 ± 0.9164
ea27 1342 1342/1342 1342 ± 0.00004368 5.666 5.235/6.574 5.773 ± 0.8886
ea28 1342 1342/1342 1342 ± 0.00004451 5.708 5.564/6.723 5.941 ± 0.939
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 ± 0.00002796 5.379 5.119/5.694 5.383 ± 0.299
5 1342 1342/1342 1342 ± 0.00002439 5.314 5.133/5.619 5.378 ± 0.2774
6 1342 1342/1342 1342 ± 0.00002401 5.328 5.052/5.563 5.31 ± 0.2862
7 1342 1342/1342 1342 ± 0.00002348 5.348 5.165/5.545 5.331 ± 0.2668
8 1342 1342/1342 1342 ± 0.00002348 5.337 5.072/5.444 5.287 ± 0.3117
9 1342 1342/1342 1342 ± 0.00002378 5.614 5.293/5.821 5.541 ± 0.3182
10 1342 1342/1342 1342 ± 0.00002306 6.084 5.794/6.197 6.015 ± 0.3173
11 1342 1342/1342 1342 ± 0.00002306 6.306 6.038/6.517 6.282 ± 0.3011
12 1342 1342/1342 1342 ± 0.00002306 6.422 6.216/6.659 6.432 ± 0.3381
13 1342 1342/1342 1342 ± 0.00002306 6.773 6.486/6.994 6.737 ± 0.3542
14 1342 1342/1342 1342 ± 0.00002306 6.926 6.622/7.155 6.855 ± 0.4058
15 1342 1342/1342 1342 ± 0.0000256 6.579 6.197/6.884 6.525 ± 0.4335
16 1342 1342/1342 1342 ± 0.00005494 4.164 4.035/4.29 4.166 ± 0.1956
17 1342 1342/1342 1342 ± 0.00005484 4.155 4.019/4.354 4.19 ± 0.2364
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38499285.eb38509861.59047.50492306713_split_split.ms
overwrite_modelcol
False
Start time
2024-11-08 02:09:33.735
End
2024-11-08 03:16:50.464
Duration
1:07:16.729
Note, WebLog generation is not included in the time.

CASA logs for stage 8