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

Statwt Summary Plot

VLASS2.1.sb38500385.eb38635359.59099.351010810184_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 5.83 5.168/6.401 5.758 ± 0.6418
ea02 1342 1342/1342 1342 ± 0.00004573 6.236 5.118/6.777 5.879 ± 0.998
ea04 1342 1342/1342 1342 ± 0.000007043 5.467 4.929/6.075 5.45 ± 0.8026
ea05 1342 1342/1342 1342 ± 0.000005055 5.569 4.98/6.35 5.7 ± 0.819
ea06 1342 1342/1342 1342 ± 0.00001114 4.727 4.281/5.333 4.812 ± 0.6199
ea07 1342 1342/1342 1342 ± 0.00002666 5.72 5.23/6.377 5.82 ± 0.9528
ea08 1342 1342/1342 1342 ± 0.00002025 6.637 5.528/7.19 6.303 ± 0.8453
ea09 1342 1342/1342 1342 ± 0.00004255 5.734 5.062/6.527 5.723 ± 0.8409
ea10 1342 1342/1342 1342 ± 0.00004032 5.77 5.167/6.787 5.836 ± 1.001
ea11 1342 1342/1342 1342 ± 0.00004372 6.164 4.895/6.501 5.735 ± 0.9991
ea12 1342 1342/1342 1342 ± 0.0000176 5.663 5.123/6.485 5.73 ± 0.9646
ea13 1342 1342/1342 1342 ± 0.00002928 5.786 5.353/6.363 5.916 ± 0.788
ea14 1342 1342/1342 1342 ± 0.00003042 5.475 5.147/6.47 5.737 ± 0.8832
ea15 1342 1342/1342 1342 ± 0.000005567 5.045 4.926/6.249 5.539 ± 0.9361
ea16 1342 1342/1342 1342 ± 0.00002241 5.775 5.337/6.914 6.021 ± 1.048
ea17 1342 1342/1342 1342 ± 0.00002025 6.061 5.496/7.048 6.197 ± 0.7951
ea18 1342 1342/1342 1342 ± 0.00003742 4.831 4.584/5.706 5.061 ± 0.6719
ea19 1342 1342/1342 1342 ± 0.00001603 5.861 5.486/6.957 6.096 ± 0.9463
ea20 1342 1342/1342 1342 ± 0.00003106 5.813 5.567/6.969 6.089 ± 1.017
ea21 1342 1342/1342 1342 ± 0.00001599 5.509 5.277/6.456 5.737 ± 0.8856
ea22 1342 1342/1342 1342 ± 0.0000435 5.122 4.862/6.377 5.558 ± 0.8272
ea23 1342 1342/1342 1342 ± 0.00002866 5.534 5.266/6.67 5.86 ± 1.073
ea25 1342 1342/1342 1342 ± 0.0000438 5.262 5.079/6.354 5.587 ± 0.8947
ea26 1342 1342/1342 1342 ± 0.00002256 5.789 5.617/6.954 6.115 ± 0.9182
ea27 1342 1342/1342 1342 ± 0.00003611 5.453 5.284/6.585 5.8 ± 0.819
ea28 1342 1342/1342 1342 ± 0.00004411 5.686 5.283/6.609 5.853 ± 0.9676
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 ± 0.00002349 5.422 5.137/5.669 5.378 ± 0.312
6 1342 1342/1342 1342 ± 0.00002349 5.196 5/5.31 5.137 ± 0.2933
7 1342 1342/1342 1342 ± 0.00002356 5.205 5.044/5.395 5.173 ± 0.2902
8 1342 1342/1342 1342 ± 0.00002349 5.171 5.017/5.322 5.143 ± 0.3067
9 1342 1342/1342 1342 ± 0.00002516 5.446 5.113/5.702 5.365 ± 0.3758
10 1342 1342/1342 1342 ± 0.00002349 6.074 5.924/6.253 6.025 ± 0.3286
11 1342 1342/1342 1342 ± 0.00002349 6.354 6.163/6.458 6.304 ± 0.3484
12 1342 1342/1342 1342 ± 0.00002349 6.542 6.36/6.69 6.506 ± 0.3818
13 1342 1342/1342 1342 ± 0.00002349 6.978 6.782/7.174 6.944 ± 0.4058
14 1342 1342/1342 1342 ± 0.00002349 7.176 6.963/7.39 7.131 ± 0.458
15 1342 1342/1342 1342 ± 0.00002435 6.686 6.444/6.976 6.63 ± 0.4724
16 1342 1342/1342 1342 ± 0.00006103 4.367 4.19/4.534 4.356 ± 0.2253
17 1342 1342/1342 1342 ± 0.00006099 4.341 4.184/4.608 4.383 ± 0.2567
output_dir
 
vis
VLASS2.1.sb38500385.eb38635359.59099.351010810184_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2024-11-02 18:25:09.175
End
2024-11-02 19:33:22.187
Duration
1:08:13.012
Note, WebLog generation is not included in the time.

CASA logs for stage 8