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

Statwt Summary Plot

VLASS2.1.sb38597432.eb38627615.59094.07999482639_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 5.651 5.313/6.146 5.761 ± 0.5381
ea02 1342 1342/1342 1342 ± 0 5.966 5.357/6.447 5.978 ± 0.6445
ea04 1342 1342/1342 1342 ± 0 5.501 5.122/6.117 5.673 ± 0.5666
ea05 1342 1342/1342 1342 ± 0 5.673 5.298/6.216 5.783 ± 0.596
ea06 1342 1342/1342 1342 ± 0 4.983 4.772/5.402 5.084 ± 0.3781
ea07 1342 1342/1342 1342 ± 0 5.906 5.436/6.241 5.974 ± 0.5573
ea08 1342 1342/1342 1342 ± 0 6.025 5.537/6.649 6.132 ± 0.6476
ea09 1342 1342/1342 1342 ± 0 5.672 5.165/6.25 5.768 ± 0.6379
ea11 1342 1342/1342 1342 ± 0 5.812 5.16/6.36 5.827 ± 0.6482
ea12 1342 1342/1342 1342 ± 0 5.798 5.373/6.411 5.995 ± 0.6418
ea13 1342 1342/1342 1342 ± 0 6.129 5.721/6.398 6.167 ± 0.5105
ea14 1342 1342/1342 1342 ± 0 5.762 5.2/6.317 5.794 ± 0.6289
ea15 1342 1342/1342 1342 ± 0 5.551 5.063/6.142 5.689 ± 0.6818
ea16 1342 1342/1342 1342 ± 0 6.09 5.611/6.492 6.149 ± 0.699
ea17 1342 1342/1342 1342 ± 0.000002816 6.021 5.516/6.751 6.139 ± 0.6455
ea18 1342 1342/1342 1342 ± 0 5.079 4.719/5.55 5.177 ± 0.5113
ea19 1342 1342/1342 1342 ± 0 5.934 5.474/6.556 6.095 ± 0.6272
ea20 1342 1342/1342 1342 ± 0 6.14 5.738/6.754 6.256 ± 0.6532
ea21 1342 1342/1342 1342 ± 0 5.674 5.377/6.294 5.843 ± 0.5583
ea22 1342 1342/1342 1342 ± 0 5.672 5.196/6.267 5.76 ± 0.6424
ea23 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea25 1342 1342/1342 1342 ± 0 5.526 5.179/6.023 5.656 ± 0.5629
ea26 1342 1342/1342 1342 ± 0 6.066 5.583/6.664 6.169 ± 0.6891
ea27 1342 1342/1342 1342 ± 0.0000397 5.679 5.321/6.416 5.818 ± 0.6171
ea28 1342 1342/1342 1342 ± 0 5.711 5.39/6.398 5.9 ± 0.6329
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 5.402 5.221/5.601 5.411 ± 0.2673
3 1342 1342/1342 1342 ± 0.00002451 5.107 4.976/5.366 5.159 ± 0.2626
4 1342 1342/1342 1342 ± 0.0000249 5.391 5.078/5.51 5.276 ± 0.2915
5 1342 1342/1342 1342 ± 0.0000244 5.329 5.092/5.459 5.305 ± 0.325
6 1342 1342/1342 1342 ± 0.0000244 5.334 5.082/5.492 5.28 ± 0.3049
7 1342 1342/1342 1342 ± 0.0000244 5.321 5.174/5.521 5.325 ± 0.2606
8 1342 1342/1342 1342 ± 0.0000244 5.344 5.121/5.48 5.291 ± 0.2816
9 1342 1342/1342 1342 ± 0.0000244 5.574 5.373/5.866 5.571 ± 0.3158
10 1342 1342/1342 1342 ± 0.0000244 6.032 5.911/6.227 6.018 ± 0.3103
11 1342 1342/1342 1342 ± 0.0000244 6.276 6.142/6.405 6.228 ± 0.318
12 1342 1342/1342 1342 ± 0.0000244 6.4 6.207/6.614 6.396 ± 0.3504
13 1342 1342/1342 1342 ± 0.0000244 6.837 6.709/7.062 6.826 ± 0.3591
14 1342 1342/1342 1342 ± 0.0000244 6.937 6.85/7.233 6.985 ± 0.4056
15 1342 1342/1342 1342 ± 0.0000244 6.587 6.417/6.848 6.554 ± 0.3803
16 1342 1342/1342 1342 ± 0.0000335 6.039 5.897/6.316 6.034 ± 0.3276
17 1342 1342/1342 1342 ± 0.00003339 6.04 5.897/6.248 6.027 ± 0.32
overwrite_modelcol
False
vis
VLASS2.1.sb38597432.eb38627615.59094.07999482639_split_split.ms
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2024-12-13 15:56:48.001
End
2024-12-13 16:40:06.614
Duration
0:43:18.613
Note, WebLog generation is not included in the time.

CASA logs for stage 8