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

Statwt Summary Plot

VLASS2.1.sb38550653.eb38589596.59083.30140427084_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 5.679 5.37/6.168 5.763 ± 0.4705
ea02 1342 1342/1342 1342 ± 0.000004263 5.901 5.588/6.722 6.147 ± 0.5991
ea04 1342 1342/1342 1342 ± 0 5.572 5.125/6.199 5.677 ± 0.5758
ea05 1342 1342/1342 1342 ± 0 5.884 5.419/6.425 5.921 ± 0.5899
ea06 1342 1342/1342 1342 ± 0 4.932 4.576/5.275 4.922 ± 0.3983
ea07 1342 1342/1342 1342 ± 0.000008505 5.737 5.474/6.284 5.932 ± 0.5788
ea08 1342 1342/1342 1342 ± 0 5.882 5.725/6.78 6.248 ± 0.6218
ea09 1342 1342/1342 1342 ± 0 5.914 5.378/6.609 5.978 ± 0.6081
ea10 1342 1342/1342 1342 ± 0.00002183 5.596 5.2/6.356 5.772 ± 0.5773
ea11 1342 1342/1342 1342 ± 0 6.06 5.233/6.389 5.93 ± 0.6432
ea12 1342 1342/1342 1342 ± 0 6.026 5.4/6.538 6.097 ± 0.6631
ea13 1342 1342/1342 1342 ± 0 6.24 5.765/6.374 6.176 ± 0.4826
ea14 1342 1342/1342 1342 ± 0.000001558 5.745 5.373/6.479 5.891 ± 0.6616
ea15 1342 1342/1342 1342 ± 0 5.769 5.111/6.257 5.775 ± 0.6956
ea16 1342 1342/1342 1342 ± 0.000005729 6.072 5.784/6.844 6.292 ± 0.678
ea17 1342 1342/1342 1342 ± 0 6.069 5.672/6.587 6.177 ± 0.5966
ea18 1342 1342/1342 1342 ± 0 5.234 4.842/5.732 5.277 ± 0.5331
ea19 1342 1342/1342 1342 ± 0 6.144 5.616/6.807 6.184 ± 0.6254
ea20 1342 1342/1342 1342 ± 0 6.397 5.789/6.949 6.334 ± 0.6519
ea21 1342 1342/1342 1342 ± 0.000002697 5.565 5.451/6.364 5.847 ± 0.5739
ea22 1342 1342/1342 1342 ± 0 5.709 5.336/6.512 5.893 ± 0.6093
ea23 1342 1342/1342 1342 ± 0.000002223 5.663 5.502/6.643 6.071 ± 0.6932
ea25 1342 1342/1342 1342 ± 0 5.873 5.297/6.219 5.831 ± 0.5879
ea26 1342 1342/1342 1342 ± 0 6.156 5.665/6.797 6.225 ± 0.5929
ea27 1342 1342/1342 1342 ± 0.00004037 5.665 5.447/6.442 5.904 ± 0.5677
ea28 1342 1342/1342 1342 ± 0 5.687 5.512/6.537 6.006 ± 0.6152
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 ± 0.00002364 5.45 5.244/5.648 5.423 ± 0.2716
4 1342 1342/1342 1342 ± 0.00002582 5.211 5.104/5.409 5.196 ± 0.3639
5 1342 1342/1342 1342 ± 0.00002364 5.41 5.192/5.595 5.386 ± 0.3352
6 1342 1342/1342 1342 ± 0.00002364 5.364 5.146/5.51 5.339 ± 0.3035
7 1342 1342/1342 1342 ± 0.00002364 5.466 5.233/5.623 5.416 ± 0.2828
8 1342 1342/1342 1342 ± 0.00002364 5.465 5.225/5.579 5.379 ± 0.3089
9 1342 1342/1342 1342 ± 0.00002364 5.738 5.526/5.932 5.66 ± 0.3467
10 1342 1342/1342 1342 ± 0.00002364 6.143 6.022/6.286 6.089 ± 0.3213
11 1342 1342/1342 1342 ± 0.00002364 6.371 6.187/6.468 6.309 ± 0.3429
12 1342 1342/1342 1342 ± 0.00002364 6.523 6.33/6.677 6.461 ± 0.3604
13 1342 1342/1342 1342 ± 0.00002364 6.97 6.772/7.104 6.89 ± 0.3922
14 1342 1342/1342 1342 ± 0.00002364 7.086 6.909/7.318 7.025 ± 0.427
15 1342 1342/1342 1342 ± 0.00002364 6.57 6.398/6.812 6.528 ± 0.3817
16 1342 1342/1342 1342 ± 0.00003512 5.841 5.665/6.067 5.881 ± 0.3489
17 1342 1342/1342 1342 ± 0.00003327 5.907 5.667/6.155 5.9 ± 0.3397
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38550653.eb38589596.59083.30140427084_split_split.ms
output_dir
 
statwtmode
VLASS-SE
Start time
2024-05-17 09:58:08.956
End
2024-05-17 11:09:25.209
Duration
1:11:16.253
Note, WebLog generation is not included in the time.

CASA logs for stage 8