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

Statwt Summary Plot

VLASS3.2.sb45489670.eb46132517.60459.18880607639_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 5.709 5.546/6.555 5.852 ± 0.7595
ea02 1342 1342/1342 1342 ± 0 6.002 5.513/6.437 5.993 ± 0.8037
ea03 1342 1342/1342 1342 ± 0 6.025 5.401/6.692 5.96 ± 0.7294
ea04 1342 1342/1342 1342 ± 0.000006785 5.268 4.931/5.916 5.322 ± 0.6594
ea05 1342 1342/1342 1342 ± 0.000004212 5.548 5.199/6.315 5.648 ± 0.7762
ea06 1342 1342/1342 1342 ± 0 5.627 5.054/6 5.571 ± 0.6541
ea07 1342 1342/1342 1342 ± 0 5.73 5.063/6.106 5.603 ± 0.8197
ea08 1342 1342/1342 1342 ± 0 5.965 5.396/6.522 5.949 ± 0.7524
ea09 1342 1342/1342 1342 ± 0 5.61 5.062/6.214 5.613 ± 0.6724
ea10 1342 1342/1342 1342 ± 0 5.302 5.027/6.074 5.446 ± 0.6576
ea11 1342 1342/1342 1342 ± 0.00003656 5.499 4.872/6.311 5.476 ± 0.872
ea12 1342 1342/1342 1342 ± 0.00002177 5.38 5.211/6.227 5.531 ± 0.7107
ea14 1342 1342/1342 1342 ± 0 5.648 5.41/6.421 5.814 ± 0.6816
ea15 1342 1342/1342 1342 ± 0.00001976 5.823 5.506/6.634 5.937 ± 0.8664
ea16 1342 1342/1342 1342 ± 0 5.994 5.592/6.627 6.049 ± 0.7155
ea17 1342 1342/1342 1342 ± 0 6.02 5.607/6.949 6.081 ± 0.7589
ea18 1342 1342/1342 1342 ± 0 6.434 5.796/7.011 6.287 ± 0.7848
ea19 1342 1342/1342 1342 ± 0.00001312 5.611 5.325/6.614 5.795 ± 0.7562
ea20 1342 1342/1342 1342 ± 0 6.371 5.794/6.959 6.265 ± 0.801
ea22 1342 1342/1342 1342 ± 0 5.536 5.172/6.102 5.536 ± 0.6096
ea23 1342 1342/1342 1342 ± 0 5.577 5.395/6.339 5.775 ± 0.7724
ea24 1342 1342/1342 1342 ± 0 6.148 5.107/6.52 5.802 ± 0.7972
ea25 1342 1342/1342 1342 ± 0 6.383 5.565/6.855 6.264 ± 0.8752
ea27 1342 1342/1342 1342 ± 0.000001088 5.591 5.301/6.439 5.737 ± 0.7004
ea28 1342 1342/1342 1342 ± 0 6.355 5.746/7.068 6.268 ± 0.828
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 ± 0.00002393 5.427 5.238/5.684 5.466 ± 0.2959
3 1342 1342/1342 1342 ± 0.0000262 3.955 3.65/4.435 4.067 ± 0.5376
4 1342 1342/1342 1342 ± 0.00003272 4.548 4.293/4.73 4.525 ± 0.309
5 1342 1342/1342 1342 ± 0.00002393 5.405 5.092/5.681 5.405 ± 0.3205
6 1342 1342/1342 1342 ± 0.00002393 5.266 5.049/5.442 5.233 ± 0.252
7 1342 1342/1342 1342 ± 0.00002393 5.374 5.17/5.566 5.364 ± 0.2575
8 1342 1342/1342 1342 ± 0.00002393 5.368 5.12/5.522 5.355 ± 0.2968
9 1342 1342/1342 1342 ± 0.00002393 5.654 5.466/5.857 5.642 ± 0.2925
10 1342 1342/1342 1342 ± 0.00002393 6.135 5.929/6.223 6.111 ± 0.2601
11 1342 1342/1342 1342 ± 0.00002393 6.376 6.067/6.485 6.34 ± 0.2789
12 1342 1342/1342 1342 ± 0.00002393 6.508 6.312/6.64 6.509 ± 0.3247
13 1342 1342/1342 1342 ± 0.00002393 6.927 6.76/7.168 6.959 ± 0.3493
14 1342 1342/1342 1342 ± 0.00002393 6.847 6.531/7.212 6.887 ± 0.4485
15 1342 1342/1342 1342 ± 0.00002393 6.739 6.458/7.012 6.712 ± 0.34
16 1342 1342/1342 1342 ± 0.00003007 5.834 5.475/6.143 5.836 ± 0.4761
17 1342 1342/1342 1342 ± 0.00003423 5.73 5.511/6.045 5.78 ± 0.3947
vis
VLASS3.2.sb45489670.eb46132517.60459.18880607639_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
Start time
2025-07-31 05:33:26.471
End
2025-07-31 06:41:56.401
Duration
1:08:29.931
Note, WebLog generation is not included in the time.

CASA logs for stage 8