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

Statwt Summary Plot

VLASS2.1.sb38464181.eb38625161.59091.97021673611_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 5.422 5.142/6.021 5.598 ± 0.5494
ea02 1342 1342/1342 1342 ± 0 6.129 5.185/6.515 5.968 ± 0.7093
ea04 1342 1342/1342 1342 ± 0 5.394 5.02/5.896 5.468 ± 0.5398
ea05 1342 1342/1342 1342 ± 0 5.767 5.28/6.472 5.841 ± 0.6338
ea06 1342 1342/1342 1342 ± 0.00002177 4.766 4.537/5.344 4.944 ± 0.4734
ea07 1342 1342/1342 1342 ± 0.00003492 5.733 5.303/6.237 5.844 ± 0.7041
ea08 1342 1342/1342 1342 ± 0 5.72 5.393/6.534 6.045 ± 0.7401
ea10 1342 1342/1342 1342 ± 0.00003992 5.659 5.108/6.602 5.803 ± 0.7732
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.307 5.177/6.36 5.718 ± 0.7202
ea13 1342 1342/1342 1342 ± 0 6.219 5.629/6.593 6.128 ± 0.5719
ea14 1342 1342/1342 1342 ± 0.00001797 5.41 5.151/6.302 5.667 ± 0.7046
ea15 1342 1342/1342 1342 ± 0 5.509 4.933/6.01 5.558 ± 0.6713
ea16 1342 1342/1342 1342 ± 0 5.773 5.521/6.763 6.065 ± 0.8412
ea17 1342 1342/1342 1342 ± 0.00004314 5.741 5.334/6.416 5.98 ± 0.702
ea18 1342 1342/1342 1342 ± 0.0000119 4.812 4.597/5.564 5.02 ± 0.5618
ea19 1342 1342/1342 1342 ± 0.00001035 5.911 5.373/6.56 6.001 ± 0.6657
ea20 1342 1342/1342 1342 ± 0 5.668 5.423/6.617 6.003 ± 0.7727
ea21 1342 1342/1342 1342 ± 0.000009758 5.46 5.236/6.233 5.721 ± 0.6348
ea22 1342 1342/1342 1342 ± 0 5.928 5.068/6.26 5.791 ± 0.701
ea23 1342 1342/1342 1342 ± 0.00002948 5.536 5.316/6.509 5.893 ± 0.7689
ea25 1342 1342/1342 1342 ± 0.00004188 5.313 4.93/5.976 5.526 ± 0.6836
ea26 1342 1342/1342 1342 ± 0 6.364 5.515/6.776 6.283 ± 0.6821
ea27 1342 1342/1342 1342 ± 0.00004334 5.402 5.184/6.317 5.644 ± 0.6496
ea28 1342 1342/1342 1342 ± 0.00003485 5.44 5.243/6.327 5.771 ± 0.7121
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 ± 0.00002466 5.243 5/5.465 5.233 ± 0.248
3 1342 1342/1342 1342 ± 0.00002647 4.91 4.735/5.028 4.919 ± 0.3171
5 1342 1342/1342 1342 ± 0.00003374 5.004 4.851/5.201 5 ± 0.2812
6 1342 1342/1342 1342 ± 0.00002439 5.266 4.977/5.371 5.197 ± 0.2838
7 1342 1342/1342 1342 ± 0.00002439 5.204 5.069/5.392 5.223 ± 0.2552
8 1342 1342/1342 1342 ± 0.00002439 5.181 5.005/5.344 5.154 ± 0.2716
9 1342 1342/1342 1342 ± 0.00002584 5.42 5.272/5.688 5.433 ± 0.2882
10 1342 1342/1342 1342 ± 0.00002439 6.007 5.844/6.153 5.939 ± 0.3241
11 1342 1342/1342 1342 ± 0.00002439 6.267 6.053/6.348 6.172 ± 0.3386
12 1342 1342/1342 1342 ± 0.00002439 6.422 6.205/6.54 6.345 ± 0.3688
13 1342 1342/1342 1342 ± 0.00002439 6.808 6.674/7.059 6.783 ± 0.3801
14 1342 1342/1342 1342 ± 0.00002439 7.103 6.817/7.268 7.015 ± 0.4283
15 1342 1342/1342 1342 ± 0.00002468 6.489 6.147/6.708 6.405 ± 0.4599
16 1342 1342/1342 1342 ± 0.00005717 5.247 5.059/5.669 5.326 ± 0.4654
17 1342 1342/1342 1342 ± 0.00005236 5.462 5.282/5.831 5.553 ± 0.5181
vis
VLASS2.1.sb38464181.eb38625161.59091.97021673611_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
Start time
2024-12-21 11:45:38.697
End
2024-12-21 12:33:02.889
Duration
0:47:24.192
Note, WebLog generation is not included in the time.

CASA logs for stage 8