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

Statwt Summary Plot

VLASS2.1.sb38541375.eb38627613.59093.84554634259_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 5.592 5.236/6.064 5.672 ± 0.5669
ea02 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0 5.513 5.101/6.071 5.654 ± 0.5581
ea05 1342 1342/1342 1342 ± 0 5.703 5.293/6.289 5.805 ± 0.5934
ea06 1342 1342/1342 1342 ± 0 5.092 4.82/5.495 5.165 ± 0.3966
ea07 1342 1342/1342 1342 ± 0 5.844 5.416/6.213 5.947 ± 0.5699
ea08 1342 1342/1342 1342 ± 0 5.916 5.422/6.611 6.023 ± 0.6768
ea09 1342 1342/1342 1342 ± 0 5.701 5.173/6.372 5.757 ± 0.6217
ea10 1342 1342/1342 1342 ± 0 5.698 5.223/6.552 5.839 ± 0.6772
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.813 5.348/6.385 5.945 ± 0.6355
ea13 1342 1342/1342 1342 ± 0 6.017 5.653/6.315 6.064 ± 0.515
ea14 1342 1342/1342 1342 ± 0 5.923 5.249/6.364 5.807 ± 0.6542
ea15 1342 1342/1342 1342 ± 0 5.529 5.056/6.103 5.642 ± 0.6723
ea16 1342 1342/1342 1342 ± 0 6.099 5.62/6.541 6.171 ± 0.719
ea17 1342 1342/1342 1342 ± 0.000007938 6.034 5.533/6.665 6.037 ± 0.6453
ea18 1342 1342/1342 1342 ± 0 5.037 4.729/5.464 5.133 ± 0.5112
ea19 1342 1342/1342 1342 ± 0 6.166 5.541/6.717 6.135 ± 0.6262
ea20 1342 1342/1342 1342 ± 0 6.3 5.767/6.881 6.234 ± 0.6562
ea21 1342 1342/1342 1342 ± 0 5.588 5.292/6.239 5.764 ± 0.5551
ea22 1342 1342/1342 1342 ± 0 5.682 5.178/6.31 5.76 ± 0.662
ea23 1342 1342/1342 1342 ± 0 5.97 5.432/6.531 6.055 ± 0.662
ea25 1342 1342/1342 1342 ± 0 5.518 5.214/6.111 5.627 ± 0.5746
ea26 1342 1342/1342 1342 ± 0 5.954 5.608/6.624 6.078 ± 0.6763
ea27 1342 1342/1342 1342 ± 0.00002173 5.564 5.26/6.376 5.705 ± 0.6208
ea28 1342 1342/1342 1342 ± 0 5.656 5.342/6.42 5.818 ± 0.6527
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 ± 0.0000244 5.372 5.175/5.571 5.356 ± 0.2445
3 1342 1342/1342 1342 ± 0.00002683 4.965 4.811/5.251 5.015 ± 0.2594
4 1342 1342/1342 1342 ± 0.0000244 5.126 4.984/5.346 5.143 ± 0.2781
5 1342 1342/1342 1342 ± 0.00002619 5.317 5.087/5.452 5.287 ± 0.3088
6 1342 1342/1342 1342 ± 0.0000244 5.273 5.088/5.44 5.263 ± 0.2748
7 1342 1342/1342 1342 ± 0.0000244 5.344 5.194/5.528 5.329 ± 0.243
8 1342 1342/1342 1342 ± 0.0000244 5.347 5.108/5.53 5.295 ± 0.2708
9 1342 1342/1342 1342 ± 0.0000244 5.571 5.376/5.841 5.571 ± 0.297
10 1342 1342/1342 1342 ± 0.0000244 6.023 5.854/6.2 5.996 ± 0.298
11 1342 1342/1342 1342 ± 0.0000244 6.277 6.117/6.346 6.219 ± 0.3133
12 1342 1342/1342 1342 ± 0.0000244 6.391 6.16/6.548 6.362 ± 0.3352
13 1342 1342/1342 1342 ± 0.0000244 6.791 6.655/7.012 6.785 ± 0.3501
14 1342 1342/1342 1342 ± 0.0000244 6.93 6.772/7.22 6.948 ± 0.3851
15 1342 1342/1342 1342 ± 0.0000244 6.663 6.441/6.814 6.575 ± 0.3606
16 1342 1342/1342 1342 ± 0.00002941 5.992 5.829/6.211 5.966 ± 0.3213
17 1342 1342/1342 1342 ± 0.00002473 5.926 5.741/6.104 5.913 ± 0.2951
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
vis
VLASS2.1.sb38541375.eb38627613.59093.84554634259_split_split.ms
overwrite_modelcol
False
Start time
2024-05-01 06:12:21.679
End
2024-05-01 06:59:44.592
Duration
0:47:22.913
Note, WebLog generation is not included in the time.

CASA logs for stage 7