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

Statwt Summary Plot

VLASS2.2.sb40528187.eb40882891.59510.17895375_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 6.266 5.619/6.569 6.152 ± 0.6156
ea02 1342 1342/1342 1342 ± 0.00002955 6.102 5.387/6.609 5.978 ± 0.8674
ea03 1342 1342/1342 1342 ± 0 5.514 5.078/6.357 5.668 ± 0.8192
ea04 1342 1342/1342 1342 ± 0 5.787 5.22/6.485 5.877 ± 0.6502
ea06 1342 1342/1342 1342 ± 0 6.398 5.548/6.546 6.138 ± 0.6228
ea07 1342 1342/1342 1342 ± 0 6.034 5.444/6.424 6.034 ± 0.6669
ea08 1342 1342/1342 1342 ± 0 6.091 5.593/6.759 6.227 ± 0.7368
ea09 1342 1342/1342 1342 ± 0 5.969 5.335/6.726 6.041 ± 0.6982
ea10 1342 1342/1342 1342 ± 0 6.002 5.385/6.672 5.971 ± 0.7625
ea11 1342 1342/1342 1342 ± 0 6.222 5.376/6.671 6.106 ± 0.7872
ea12 1342 1342/1342 1342 ± 0 5.971 5.452/6.584 6.108 ± 0.7347
ea13 1342 1342/1342 1342 ± 0 5.786 5.719/6.317 5.96 ± 0.5429
ea14 1342 1342/1342 1342 ± 0 6.331 5.573/6.741 6.265 ± 0.7197
ea15 1342 1342/1342 1342 ± 0 5.645 4.992/6.001 5.572 ± 0.7252
ea16 1342 1342/1342 1342 ± 0 6.091 5.604/6.722 6.196 ± 0.7508
ea17 1342 1342/1342 1342 ± 0 6.437 6.06/7.278 6.651 ± 0.7102
ea18 1342 1342/1342 1342 ± 0 4.448 4.163/4.859 4.537 ± 0.4426
ea19 1342 1342/1342 1342 ± 0.000008516 6.176 5.651/6.809 6.286 ± 0.7393
ea20 1342 1342/1342 1342 ± 0 5.98 5.545/6.636 6.034 ± 0.7714
ea21 1342 1342/1342 1342 ± 0 5.907 5.485/6.515 6.023 ± 0.6512
ea22 1342 1342/1342 1342 ± 0 6.302 5.433/6.7 6.119 ± 0.7425
ea23 1342 1342/1342 1342 ± 0 6.088 5.606/6.599 6.157 ± 0.7674
ea24 1342 1342/1342 1342 ± 0 5.865 5.084/6.318 5.7 ± 0.5977
ea25 1342 1342/1342 1342 ± 0 6.53 5.637/7.011 6.422 ± 0.8275
ea26 1342 1342/1342 1342 ± 0 6.323 5.709/7.132 6.384 ± 0.7286
ea27 1342 1342/1342 1342 ± 0 5.85 5.421/6.776 6.021 ± 0.7867
ea28 1342 1342/1342 1342 ± 0 6.12 5.68/6.821 6.279 ± 0.7792
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 ± 0.00002307 5.548 5.33/5.78 5.485 ± 0.3328
3 1342 1342/1342 1342 ± 0.0000266 4.915 4.459/5.093 4.838 ± 0.5526
4 1342 1342/1342 1342 ± 0.00002416 5.318 5.038/5.452 5.261 ± 0.427
5 1342 1342/1342 1342 ± 0.00002307 5.534 5.252/5.605 5.42 ± 0.3718
6 1342 1342/1342 1342 ± 0.00002307 5.444 5.264/5.619 5.384 ± 0.3175
7 1342 1342/1342 1342 ± 0.00002307 5.546 5.332/5.633 5.465 ± 0.322
8 1342 1342/1342 1342 ± 0.00002307 5.449 5.248/5.69 5.428 ± 0.3608
9 1342 1342/1342 1342 ± 0.00002307 5.847 5.625/6.003 5.758 ± 0.3848
10 1342 1342/1342 1342 ± 0.00002307 6.32 6.143/6.432 6.211 ± 0.3994
11 1342 1342/1342 1342 ± 0.00002307 6.549 6.319/6.688 6.447 ± 0.4129
12 1342 1342/1342 1342 ± 0.00002307 6.693 6.468/6.738 6.59 ± 0.4384
13 1342 1342/1342 1342 ± 0.00002307 7.111 6.927/7.375 7.068 ± 0.4803
14 1342 1342/1342 1342 ± 0.00002307 7.339 7.201/7.58 7.278 ± 0.4826
15 1342 1342/1342 1342 ± 0.00002308 6.973 6.842/7.194 6.95 ± 0.4501
16 1342 1342/1342 1342 ± 0.00002307 6.285 6.174/6.592 6.308 ± 0.4439
17 1342 1342/1342 1342 ± 0.00002392 6.343 6.099/6.506 6.262 ± 0.4262
statwtmode
VLASS-SE
vis
VLASS2.2.sb40528187.eb40882891.59510.17895375_split_split.ms
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-05-23 13:20:05.154
End
2025-05-23 14:24:02.515
Duration
1:03:57.362
Note, WebLog generation is not included in the time.

CASA logs for stage 8