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

Statwt Summary Plot

VLASS2.2.sb40879186.eb40941791.59520.340825879626_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 5.983 5.617/6.671 6.189 ± 0.6701
ea03 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0.00001291 5.826 5.383/6.586 5.977 ± 0.6513
ea06 1342 1342/1342 1342 ± 0 6.253 5.478/6.545 6.075 ± 0.672
ea07 1342 1342/1342 1342 ± 0 6.114 5.481/6.339 6.05 ± 0.5954
ea08 1342 1342/1342 1342 ± 0.00002117 6.053 5.6/6.792 6.248 ± 0.6727
ea09 1342 1342/1342 1342 ± 0.00000132 5.954 5.444/6.711 6.071 ± 0.6773
ea10 1342 1342/1342 1342 ± 0.000006447 6.17 5.658/6.924 6.286 ± 0.6527
ea11 1342 1342/1342 1342 ± 0 6.009 5.434/6.618 6.103 ± 0.6939
ea12 1342 1342/1342 1342 ± 0 6.269 5.657/6.671 6.259 ± 0.6604
ea13 1342 1342/1342 1342 ± 0.000008914 5.745 5.621/6.322 5.954 ± 0.509
ea14 1342 1342/1342 1342 ± 0 6.468 5.768/7.01 6.487 ± 0.7576
ea15 1342 1342/1342 1342 ± 0 5.849 5.32/6.2 5.795 ± 0.6106
ea16 1342 1342/1342 1342 ± 0 6.333 5.779/6.887 6.437 ± 0.736
ea17 1342 1342/1342 1342 ± 0 6.485 6/7.411 6.657 ± 0.7206
ea18 1342 1342/1342 1342 ± 0 5.036 4.639/5.507 5.094 ± 0.5641
ea19 1342 1342/1342 1342 ± 0 6.572 5.854/7.134 6.572 ± 0.7514
ea20 1342 1342/1342 1342 ± 0 6.131 5.794/6.994 6.304 ± 0.6598
ea21 1342 1342/1342 1342 ± 0 6.025 5.625/6.634 6.157 ± 0.6275
ea22 1342 1342/1342 1342 ± 0 6.18 5.334/6.606 6.051 ± 0.7118
ea23 1342 1342/1342 1342 ± 0 6.23 5.819/6.843 6.43 ± 0.6743
ea24 1342 1342/1342 1342 ± 0 5.798 5.159/6.422 5.751 ± 0.6385
ea26 1342 1342/1342 1342 ± 0 6.305 5.792/7.131 6.405 ± 0.7732
ea27 1342 1342/1342 1342 ± 0.000009491 6.08 5.801/7.14 6.373 ± 0.7502
ea28 1342 1342/1342 1342 ± 0.000001867 6.044 5.819/6.959 6.407 ± 0.7116
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 ± 0.00002442 5.699 5.496/5.817 5.64 ± 0.3088
4 1342 1342/1342 1342 ± 0.00002483 5.299 5.072/5.44 5.248 ± 0.3577
5 1342 1342/1342 1342 ± 0.00002442 5.639 5.399/5.76 5.563 ± 0.3371
6 1342 1342/1342 1342 ± 0.00002442 5.609 5.344/5.744 5.539 ± 0.2841
7 1342 1342/1342 1342 ± 0.00002442 5.631 5.438/5.817 5.589 ± 0.2925
8 1342 1342/1342 1342 ± 0.00002442 5.571 5.277/5.818 5.533 ± 0.3366
9 1342 1342/1342 1342 ± 0.00002442 5.893 5.607/6.069 5.818 ± 0.3465
10 1342 1342/1342 1342 ± 0.00002442 6.363 6.168/6.502 6.283 ± 0.3452
11 1342 1342/1342 1342 ± 0.00002442 6.559 6.327/6.809 6.532 ± 0.3613
12 1342 1342/1342 1342 ± 0.00002442 6.677 6.439/6.943 6.675 ± 0.4031
13 1342 1342/1342 1342 ± 0.00002442 7.157 6.908/7.505 7.159 ± 0.4278
14 1342 1342/1342 1342 ± 0.00002442 7.45 7.239/7.734 7.39 ± 0.4136
15 1342 1342/1342 1342 ± 0.00002442 7.097 6.79/7.379 7.038 ± 0.4087
16 1342 1342/1342 1342 ± 0.00002442 6.325 6.074/6.471 6.307 ± 0.4004
17 1342 1342/1342 1342 ± 0.00003119 6.22 6.006/6.449 6.225 ± 0.3879
vis
VLASS2.2.sb40879186.eb40941791.59520.340825879626_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
Start time
2025-04-18 11:31:51.660
End
2025-04-18 12:13:44.573
Duration
0:41:52.913
Note, WebLog generation is not included in the time.

CASA logs for stage 8