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

Statwt Summary Plot

VLASS2.2.sb40507148.eb40987311.59548.184427245375_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 6.58 5.904/7.235 6.475 ± 0.7697
ea03 1342 1342/1342 1342 ± 0.000002733 6.185 5.394/6.88 6.073 ± 0.7745
ea04 1342 1342/1342 1342 ± 0 5.948 5.466/6.392 5.987 ± 0.6393
ea05 1342 1342/1342 1342 ± 0 6.113 5.722/7.103 6.402 ± 0.7483
ea06 1342 1342/1342 1342 ± 0 6.316 5.699/6.642 6.265 ± 0.6006
ea07 1342 1342/1342 1342 ± 0 6.236 5.551/6.335 6.153 ± 0.614
ea08 1342 1342/1342 1342 ± 0.000001143 6.732 5.735/6.943 6.504 ± 0.7313
ea09 1342 1342/1342 1342 ± 0 6.221 5.678/7.024 6.354 ± 0.7842
ea10 1342 1342/1342 1342 ± 0 6.212 5.8/7.07 6.404 ± 0.6731
ea11 1342 1342/1342 1342 ± 0.000003024 6.287 5.609/6.941 6.357 ± 0.7818
ea12 1342 1342/1342 1342 ± 0 6.471 5.847/6.894 6.495 ± 0.6997
ea13 1342 1342/1342 1342 ± 0 6.057 5.992/6.55 6.234 ± 0.5104
ea14 1342 1342/1342 1342 ± 0 6.263 5.884/6.98 6.482 ± 0.6801
ea15 1342 1342/1342 1342 ± 0 5.254 4.895/5.714 5.336 ± 0.5235
ea16 1342 1342/1342 1342 ± 0 6.472 5.93/7.053 6.511 ± 0.7742
ea17 1342 1342/1342 1342 ± 0 6.653 6.08/7.508 6.813 ± 0.7579
ea18 1342 1342/1342 1342 ± 0 5.269 4.921/5.684 5.304 ± 0.4979
ea19 1342 1342/1342 1342 ± 0 6.506 6.185/7.474 6.771 ± 0.7445
ea20 1342 1342/1342 1342 ± 0 5.959 5.87/6.944 6.311 ± 0.6793
ea21 1342 1342/1342 1342 ± 0 5.96 5.693/6.746 6.166 ± 0.6196
ea22 1342 1342/1342 1342 ± 0 6.289 5.531/6.739 6.141 ± 0.6749
ea23 1342 1342/1342 1342 ± 0 6.078 5.925/7.021 6.483 ± 0.75
ea24 1342 1342/1342 1342 ± 0 6.272 5.383/6.639 6.067 ± 0.6173
ea25 1342 1342/1342 1342 ± 0 6.637 5.835/6.897 6.543 ± 0.7741
ea26 1342 1342/1342 1342 ± 0 6.63 6.049/7.352 6.641 ± 0.8268
ea27 1342 1342/1342 1342 ± 0 6.269 5.792/7.13 6.416 ± 0.7504
ea28 1342 1342/1342 1342 ± 0 6.319 5.942/7.12 6.522 ± 0.7423
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 ± 0.00002308 5.798 5.581/5.965 5.772 ± 0.3339
3 1342 1342/1342 1342 ± 0.00002362 5.492 5.27/5.622 5.442 ± 0.3056
4 1342 1342/1342 1342 ± 0.00003725 5.453 5.272/5.758 5.377 ± 0.4593
5 1342 1342/1342 1342 ± 0.00002308 5.826 5.461/5.969 5.688 ± 0.374
6 1342 1342/1342 1342 ± 0.00002308 5.742 5.467/5.925 5.685 ± 0.3067
7 1342 1342/1342 1342 ± 0.00002308 5.788 5.566/5.933 5.717 ± 0.3173
8 1342 1342/1342 1342 ± 0.00002308 5.702 5.466/5.888 5.672 ± 0.3544
9 1342 1342/1342 1342 ± 0.00002308 6.105 5.794/6.28 5.988 ± 0.3697
10 1342 1342/1342 1342 ± 0.00002308 6.563 6.293/6.694 6.453 ± 0.3734
11 1342 1342/1342 1342 ± 0.00002308 6.796 6.568/6.979 6.701 ± 0.3926
12 1342 1342/1342 1342 ± 0.00002308 6.909 6.644/7.073 6.852 ± 0.4453
13 1342 1342/1342 1342 ± 0.00002308 7.432 7.1/7.77 7.379 ± 0.4764
14 1342 1342/1342 1342 ± 0.00002308 7.726 7.375/7.936 7.597 ± 0.4705
15 1342 1342/1342 1342 ± 0.00002308 7.138 6.878/7.512 7.12 ± 0.4872
16 1342 1342/1342 1342 ± 0.00002309 6.319 6.13/6.758 6.388 ± 0.4617
17 1342 1342/1342 1342 ± 0.00002315 6.39 6.088/6.561 6.331 ± 0.4585
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.2.sb40507148.eb40987311.59548.184427245375_split_split.ms
statwtmode
VLASS-SE
output_dir
 
Start time
2025-06-07 13:58:39.663
End
2025-06-07 15:12:03.721
Duration
1:13:24.058
Note, WebLog generation is not included in the time.

CASA logs for stage 8