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

Statwt Summary Plot

VLASS2.1.sb38719425.eb38722999.59135.57082381945_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 5.691 5.286/6.167 5.76 ± 0.5794
ea02 1342 1342/1342 1342 ± 0 5.919 5.518/6.596 6.091 ± 0.69
ea03 1342 1342/1342 1342 ± 0 5.293 4.828/6.064 5.466 ± 0.669
ea04 1342 1342/1342 1342 ± 0 5.593 5.215/6.233 5.775 ± 0.5888
ea05 1342 1342/1342 1342 ± 0 5.805 5.325/6.314 5.887 ± 0.6271
ea06 1342 1342/1342 1342 ± 0 4.951 4.769/5.373 5.049 ± 0.3402
ea07 1342 1342/1342 1342 ± 0 6.014 5.48/6.294 6.026 ± 0.6263
ea08 1342 1342/1342 1342 ± 0 5.903 5.599/6.737 6.149 ± 0.7228
ea09 1342 1342/1342 1342 ± 0 5.763 5.383/6.546 5.928 ± 0.7396
ea10 1342 1342/1342 1342 ± 0 6.055 5.412/6.843 6.083 ± 0.7782
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.851 5.452/6.464 6.019 ± 0.6292
ea13 1342 1342/1342 1342 ± 0 6.14 5.863/6.501 6.247 ± 0.5293
ea14 1342 1342/1342 1342 ± 0 5.918 5.384/6.546 6.015 ± 0.7011
ea15 1342 1342/1342 1342 ± 0 5.926 5.538/6.634 6.136 ± 0.7043
ea16 1342 1342/1342 1342 ± 0 6.139 5.666/6.817 6.291 ± 0.759
ea17 1342 1342/1342 1342 ± 0.00001621 6.295 5.897/6.945 6.454 ± 0.7546
ea18 1342 1342/1342 1342 ± 0 5.05 4.737/5.597 5.164 ± 0.5542
ea19 1342 1342/1342 1342 ± 0 5.755 5.344/6.427 5.951 ± 0.6491
ea20 1342 1342/1342 1342 ± 0 6.005 5.569/6.666 6.104 ± 0.6445
ea23 1342 1342/1342 1342 ± 0 6.047 5.49/6.481 6.095 ± 0.7036
ea25 1342 1342/1342 1342 ± 0 5.693 5.33/6.224 5.807 ± 0.6115
ea26 1342 1342/1342 1342 ± 0 6.112 5.793/6.901 6.323 ± 0.7643
ea27 1342 1342/1342 1342 ± 0.00002184 5.637 5.395/6.508 5.844 ± 0.677
ea28 1342 1342/1342 1342 ± 0.00001733 5.489 5.284/6.234 5.712 ± 0.6535
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 ± 0.00002439 5.483 5.316/5.672 5.459 ± 0.2756
3 1342 1342/1342 1342 ± 0.00002496 5.171 4.792/5.316 5.095 ± 0.3261
4 1342 1342/1342 1342 ± 0.00002439 5.273 5.111/5.379 5.204 ± 0.3301
5 1342 1342/1342 1342 ± 0.00002439 5.341 5.206/5.498 5.333 ± 0.3047
6 1342 1342/1342 1342 ± 0.00002439 5.444 5.276/5.611 5.4 ± 0.3301
7 1342 1342/1342 1342 ± 0.00002439 5.425 5.324/5.612 5.436 ± 0.2971
8 1342 1342/1342 1342 ± 0.00002439 5.423 5.246/5.575 5.39 ± 0.3224
9 1342 1342/1342 1342 ± 0.00002439 5.683 5.474/5.977 5.676 ± 0.3571
10 1342 1342/1342 1342 ± 0.00002439 6.104 5.958/6.37 6.091 ± 0.3432
11 1342 1342/1342 1342 ± 0.00002439 6.446 6.18/6.552 6.333 ± 0.377
12 1342 1342/1342 1342 ± 0.00002439 6.558 6.322/6.734 6.514 ± 0.4117
13 1342 1342/1342 1342 ± 0.00002439 7.023 6.833/7.151 6.956 ± 0.4333
14 1342 1342/1342 1342 ± 0.00002462 7.263 6.978/7.431 7.187 ± 0.434
15 1342 1342/1342 1342 ± 0.00002462 6.847 6.568/7.048 6.765 ± 0.42
16 1342 1342/1342 1342 ± 0.00003056 6.115 5.777/6.29 6.068 ± 0.4073
17 1342 1342/1342 1342 ± 0.00002969 6.165 5.918/6.362 6.103 ± 0.3966
overwrite_modelcol
False
output_dir
 
vis
VLASS2.1.sb38719425.eb38722999.59135.57082381945_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2025-01-11 13:18:36.921
End
2025-01-11 14:21:25.221
Duration
1:02:48.301
Note, WebLog generation is not included in the time.

CASA logs for stage 8