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

Statwt Summary Plot

VLASS2.2.sb40869292.eb40982614.59542.13818863426_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 6.132 5.832/6.808 6.242 ± 0.771
ea03 1342 1342/1342 1342 ± 0.000005033 5.756 5.24/6.374 5.804 ± 0.6883
ea04 1342 1342/1342 1342 ± 0 5.611 5.256/6.015 5.711 ± 0.5184
ea05 1342 1342/1342 1342 ± 0 6.023 5.555/6.583 6.108 ± 0.6515
ea06 1342 1342/1342 1342 ± 0 6.056 5.643/6.411 6.08 ± 0.5406
ea07 1342 1342/1342 1342 ± 0 5.942 5.465/6.086 5.939 ± 0.5074
ea08 1342 1342/1342 1342 ± 0.000003231 6.223 5.65/6.55 6.21 ± 0.64
ea09 1342 1342/1342 1342 ± 0.000002992 5.97 5.486/6.705 6.107 ± 0.7022
ea10 1342 1342/1342 1342 ± 0 5.904 5.544/6.624 6.052 ± 0.6018
ea11 1342 1342/1342 1342 ± 0 6.163 5.479/6.606 6.133 ± 0.7019
ea12 1342 1342/1342 1342 ± 0 6.047 5.674/6.671 6.187 ± 0.7817
ea13 1342 1342/1342 1342 ± 0 6.026 5.907/6.333 6.144 ± 0.4569
ea14 1342 1342/1342 1342 ± 0 5.913 5.586/6.538 6.087 ± 0.6285
ea15 1342 1342/1342 1342 ± 0 5.505 5.132/5.919 5.56 ± 0.5808
ea16 1342 1342/1342 1342 ± 0 6.162 5.852/6.657 6.274 ± 0.6622
ea17 1342 1342/1342 1342 ± 0 6.593 6.207/7.334 6.787 ± 0.6426
ea18 1342 1342/1342 1342 ± 0 5.111 4.892/5.604 5.269 ± 0.4875
ea19 1342 1342/1342 1342 ± 0 6.237 5.919/6.9 6.428 ± 0.6564
ea20 1342 1342/1342 1342 ± 0 5.728 5.558/6.378 5.956 ± 0.6123
ea21 1342 1342/1342 1342 ± 0 5.681 5.498/6.283 5.869 ± 0.5332
ea22 1342 1342/1342 1342 ± 0 5.888 5.455/6.452 5.994 ± 0.6225
ea23 1342 1342/1342 1342 ± 0 6.181 5.812/6.563 6.278 ± 0.6543
ea24 1342 1342/1342 1342 ± 0 6.019 5.312/6.422 5.892 ± 0.5535
ea25 1342 1342/1342 1342 ± 0 6.246 5.701/6.641 6.278 ± 0.7498
ea26 1342 1342/1342 1342 ± 0 6.32 5.88/6.991 6.467 ± 0.6467
ea27 1342 1342/1342 1342 ± 0 5.829 5.503/6.616 6.022 ± 0.6495
ea28 1342 1342/1342 1342 ± 0 6.092 5.683/6.651 6.207 ± 0.6593
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 ± 0.00002305 5.699 5.464/5.912 5.695 ± 0.2787
3 1342 1342/1342 1342 ± 0.00002465 5.159 4.968/5.306 5.129 ± 0.3906
4 1342 1342/1342 1342 ± 0.00002305 5.475 5.301/5.721 5.498 ± 0.3821
5 1342 1342/1342 1342 ± 0.00002305 5.619 5.376/5.777 5.604 ± 0.3313
6 1342 1342/1342 1342 ± 0.00002305 5.586 5.391/5.804 5.568 ± 0.2597
7 1342 1342/1342 1342 ± 0.00002305 5.598 5.397/5.787 5.591 ± 0.2708
8 1342 1342/1342 1342 ± 0.00002305 5.507 5.305/5.666 5.509 ± 0.3039
9 1342 1342/1342 1342 ± 0.00002305 5.807 5.573/5.997 5.774 ± 0.3067
10 1342 1342/1342 1342 ± 0.00002305 6.258 6.074/6.393 6.166 ± 0.3105
11 1342 1342/1342 1342 ± 0.00002305 6.417 6.295/6.591 6.381 ± 0.3013
12 1342 1342/1342 1342 ± 0.00002305 6.561 6.358/6.69 6.533 ± 0.3634
13 1342 1342/1342 1342 ± 0.00002305 7.011 6.778/7.336 7.024 ± 0.3874
14 1342 1342/1342 1342 ± 0.00002305 7.243 7.083/7.525 7.247 ± 0.3918
15 1342 1342/1342 1342 ± 0.00002305 6.901 6.729/7.199 6.922 ± 0.3635
16 1342 1342/1342 1342 ± 0.00002305 6.263 5.974/6.582 6.291 ± 0.4021
17 1342 1342/1342 1342 ± 0.00002305 6.162 5.968/6.489 6.217 ± 0.3974
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.2.sb40869292.eb40982614.59542.13818863426_split_split.ms
Start time
2025-04-23 23:24:36.915
End
2025-04-24 00:22:02.786
Duration
0:57:25.871
Note, WebLog generation is not included in the time.

CASA logs for stage 8