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

Statwt Summary Plot

VLASS2.1.sb38602933.eb38631109.59096.27884142361_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 5.385 5.258/5.978 5.466 ± 0.7681
ea02 1342 1342/1342 1342 ± 0.00004136 5.895 5.42/6.733 5.868 ± 1.012
ea04 1342 1342/1342 1342 ± 0.000003382 5.356 5.073/6.061 5.396 ± 0.8771
ea05 1342 1342/1342 1342 ± 0.00001043 5.539 5.085/6.269 5.636 ± 0.7679
ea06 1342 1342/1342 1342 ± 0.000009849 4.883 4.743/5.294 4.783 ± 0.7024
ea07 1342 1342/1342 1342 ± 0.0000428 5.926 5.351/6.313 5.727 ± 0.8788
ea08 1342 1342/1342 1342 ± 0.00004272 6.089 5.646/6.858 6.042 ± 1.028
ea09 1342 1342/1342 1342 ± 0.0000195 5.581 5.158/6.579 5.715 ± 0.8186
ea10 1342 1342/1342 1342 ± 0.00004408 5.983 5.376/6.694 5.8 ± 0.9629
ea11 1342 1342/1342 1342 ± 0.00004359 5.921 5.276/6.569 5.707 ± 0.9832
ea12 1342 1342/1342 1342 ± 0.00001391 5.81 5.448/6.626 5.762 ± 1.132
ea13 1342 1342/1342 1342 ± 0.00001751 5.916 5.713/6.49 6.028 ± 0.7612
ea14 1342 1342/1342 1342 ± 0.00001004 5.653 5.049/6.395 5.612 ± 0.8097
ea15 1342 1342/1342 1342 ± 0 5.398 5.09/6.334 5.566 ± 0.9699
ea16 1342 1342/1342 1342 ± 0.00001813 5.97 5.477/6.884 5.951 ± 0.9388
ea17 1342 1342/1342 1342 ± 0.00004395 5.932 5.483/6.655 5.862 ± 0.994
ea18 1342 1342/1342 1342 ± 0.00003978 5.015 4.518/5.736 4.97 ± 0.7508
ea19 1342 1342/1342 1342 ± 0 5.777 5.533/6.84 5.969 ± 0.8055
ea20 1342 1342/1342 1342 ± 0.00003024 5.924 5.81/6.974 6.011 ± 1.154
ea21 1342 1342/1342 1342 ± 0.00001478 5.554 5.385/6.295 5.607 ± 0.7883
ea22 1342 1342/1342 1342 ± 0.00003182 5.374 5.151/6.432 5.6 ± 0.8447
ea23 1342 1342/1342 1342 ± 0.00003623 5.739 5.488/6.411 5.752 ± 0.8703
ea25 1342 1342/1342 1342 ± 0.00004272 5.494 5.264/6.344 5.528 ± 0.8679
ea26 1342 1342/1342 1342 ± 0.00002591 5.977 5.808/7.041 6.161 ± 0.9081
ea27 1342 1342/1342 1342 ± 0.00004357 5.547 5.188/6.48 5.59 ± 0.9036
ea28 1342 1342/1342 1342 ± 0.00004302 5.67 5.484/6.643 5.783 ± 0.9235
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 ± 0.00002348 5.445 5.301/5.755 5.491 ± 0.2665
5 1342 1342/1342 1342 ± 0.00002348 5.454 5.17/5.601 5.403 ± 0.3526
6 1342 1342/1342 1342 ± 0.00002543 5.284 5.082/5.423 5.251 ± 0.2825
7 1342 1342/1342 1342 ± 0.00002348 5.43 5.278/5.576 5.42 ± 0.2733
8 1342 1342/1342 1342 ± 0.00002348 5.414 5.193/5.553 5.366 ± 0.2914
9 1342 1342/1342 1342 ± 0.00002348 5.654 5.45/5.94 5.654 ± 0.3386
10 1342 1342/1342 1342 ± 0.00002348 6.085 5.875/6.283 6.064 ± 0.3373
11 1342 1342/1342 1342 ± 0.00002348 6.402 6.268/6.538 6.345 ± 0.3453
12 1342 1342/1342 1342 ± 0.00002348 6.584 6.398/6.791 6.541 ± 0.3824
13 1342 1342/1342 1342 ± 0.00002351 6.833 6.632/7.055 6.797 ± 0.4048
14 1342 1342/1342 1342 ± 0.00002629 6.666 6.302/7.059 6.633 ± 0.5264
15 1342 1342/1342 1342 ± 0.00002425 6.703 6.456/6.973 6.638 ± 0.4925
16 1342 1342/1342 1342 ± 0.00006052 3.825 3.662/4.134 3.901 ± 0.3595
17 1342 1342/1342 1342 ± 0.00006098 4.068 3.888/4.273 4.072 ± 0.3671
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
vis
VLASS2.1.sb38602933.eb38631109.59096.27884142361_split_split.ms
statwtmode
VLASS-SE
Start time
2024-11-01 23:37:49.921
End
2024-11-02 00:38:30.527
Duration
1:00:40.606
Note, WebLog generation is not included in the time.

CASA logs for stage 8