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

Statwt Summary Plot

VLASS2.1.sb38618574.eb38632962.59098.03251238426_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 5.495 5.254/5.904 5.647 ± 0.5029
ea02 1342 1342/1342 1342 ± 0 5.71 5.4/6.418 5.929 ± 0.6332
ea04 1342 1342/1342 1342 ± 0 5.402 5.078/5.951 5.563 ± 0.5376
ea05 1342 1342/1342 1342 ± 0 5.694 5.288/6.118 5.746 ± 0.5606
ea06 1342 1342/1342 1342 ± 0 4.891 4.66/5.407 5.029 ± 0.4419
ea07 1342 1342/1342 1342 ± 0 5.937 5.447/6.144 5.938 ± 0.5454
ea08 1342 1342/1342 1342 ± 0 5.752 5.477/6.556 6.024 ± 0.6733
ea09 1342 1342/1342 1342 ± 0 5.645 5.185/6.198 5.694 ± 0.6098
ea10 1342 1342/1342 1342 ± 0 5.859 5.262/6.483 5.888 ± 0.6453
ea11 1342 1342/1342 1342 ± 0 5.737 5.353/6.318 5.857 ± 0.6355
ea12 1342 1342/1342 1342 ± 0 5.74 5.315/6.312 5.892 ± 0.624
ea13 1342 1342/1342 1342 ± 0 6.118 5.829/6.34 6.177 ± 0.4593
ea14 1342 1342/1342 1342 ± 0 5.692 5.222/6.286 5.799 ± 0.6335
ea15 1342 1342/1342 1342 ± 0 5.676 5.097/6.14 5.712 ± 0.6564
ea16 1342 1342/1342 1342 ± 0 6.042 5.654/6.684 6.232 ± 0.6854
ea17 1342 1342/1342 1342 ± 0.000006156 5.873 5.522/6.412 6.04 ± 0.5997
ea18 1342 1342/1342 1342 ± 0 4.986 4.671/5.365 5.078 ± 0.4973
ea19 1342 1342/1342 1342 ± 0 5.968 5.549/6.657 6.167 ± 0.6437
ea20 1342 1342/1342 1342 ± 0 5.988 5.657/6.629 6.158 ± 0.6254
ea21 1342 1342/1342 1342 ± 0 5.672 5.351/6.196 5.814 ± 0.536
ea22 1342 1342/1342 1342 ± 0 5.482 5.242/6.338 5.761 ± 0.6522
ea23 1342 1342/1342 1342 ± 0 5.937 5.439/6.341 6.015 ± 0.665
ea25 1342 1342/1342 1342 ± 0.00000414 5.426 5.159/6.006 5.596 ± 0.5628
ea26 1342 1342/1342 1342 ± 0 5.987 5.644/6.61 6.145 ± 0.638
ea27 1342 1342/1342 1342 ± 0.00003474 5.502 5.252/6.265 5.699 ± 0.5586
ea28 1342 1342/1342 1342 ± 0.0000227 5.588 5.346/6.317 5.811 ± 0.6253
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 ± 0.00002352 5.351 5.201/5.604 5.371 ± 0.2754
3 1342 1342/1342 1342 ± 0.00002397 5.256 5.061/5.507 5.27 ± 0.3023
4 1342 1342/1342 1342 ± 0.0000242 5.25 5.031/5.401 5.205 ± 0.3427
5 1342 1342/1342 1342 ± 0.00002352 5.336 5.075/5.526 5.317 ± 0.3356
6 1342 1342/1342 1342 ± 0.00002352 5.299 5.089/5.487 5.28 ± 0.2998
7 1342 1342/1342 1342 ± 0.00002352 5.328 5.139/5.481 5.311 ± 0.2718
8 1342 1342/1342 1342 ± 0.00002352 5.324 5.057/5.465 5.264 ± 0.2886
9 1342 1342/1342 1342 ± 0.00002352 5.544 5.384/5.818 5.54 ± 0.3295
10 1342 1342/1342 1342 ± 0.00002352 6.01 5.825/6.18 5.958 ± 0.3084
11 1342 1342/1342 1342 ± 0.00002352 6.251 6.052/6.366 6.172 ± 0.3114
12 1342 1342/1342 1342 ± 0.00002352 6.354 6.17/6.534 6.332 ± 0.3394
13 1342 1342/1342 1342 ± 0.00002352 6.769 6.712/6.968 6.775 ± 0.3584
14 1342 1342/1342 1342 ± 0.00002352 6.986 6.754/7.203 6.945 ± 0.394
15 1342 1342/1342 1342 ± 0.00002352 6.671 6.411/6.843 6.589 ± 0.3938
16 1342 1342/1342 1342 ± 0.00003297 5.91 5.565/6.225 5.887 ± 0.4013
17 1342 1342/1342 1342 ± 0.00003262 5.912 5.662/6.153 5.907 ± 0.3637
output_dir
 
vis
VLASS2.1.sb38618574.eb38632962.59098.03251238426_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
Start time
2024-12-17 03:56:31.922
End
2024-12-17 04:56:18.366
Duration
0:59:46.444
Note, WebLog generation is not included in the time.

CASA logs for stage 8