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 5.629 5.356/6.054 5.748 ± 0.5127
ea02 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0 5.576 5.225/6.079 5.697 ± 0.529
ea05 1342 1342/1342 1342 ± 0 5.736 5.391/6.295 5.849 ± 0.5535
ea06 1342 1342/1342 1342 ± 0 5.08 4.895/5.456 5.179 ± 0.3659
ea07 1342 1342/1342 1342 ± 0 5.929 5.525/6.288 6.03 ± 0.5504
ea08 1342 1342/1342 1342 ± 0 5.954 5.551/6.635 6.105 ± 0.6539
ea09 1342 1342/1342 1342 ± 0 5.755 5.267/6.408 5.811 ± 0.6011
ea10 1342 1342/1342 1342 ± 0 5.738 5.361/6.59 5.913 ± 0.6688
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.909 5.477/6.46 6.048 ± 0.6139
ea13 1342 1342/1342 1342 ± 0 6.135 5.766/6.338 6.131 ± 0.4684
ea14 1342 1342/1342 1342 ± 0 5.8 5.295/6.363 5.833 ± 0.6415
ea15 1342 1342/1342 1342 ± 0 5.64 5.185/6.194 5.747 ± 0.6548
ea16 1342 1342/1342 1342 ± 0 6.182 5.762/6.638 6.299 ± 0.6939
ea17 1342 1342/1342 1342 ± 0.000008736 6.034 5.681/6.519 6.163 ± 0.6103
ea18 1342 1342/1342 1342 ± 0 5.117 4.847/5.538 5.202 ± 0.5139
ea19 1342 1342/1342 1342 ± 0 6.014 5.607/6.591 6.15 ± 0.5939
ea20 1342 1342/1342 1342 ± 0 6.211 5.839/6.821 6.297 ± 0.65
ea21 1342 1342/1342 1342 ± 0 5.595 5.398/6.227 5.797 ± 0.5154
ea22 1342 1342/1342 1342 ± 0 5.684 5.27/6.354 5.824 ± 0.6217
ea23 1342 1342/1342 1342 ± 0 6.008 5.572/6.645 6.134 ± 0.6577
ea25 1342 1342/1342 1342 ± 0.000003113 5.583 5.256/6.13 5.717 ± 0.5585
ea26 1342 1342/1342 1342 ± 0 5.979 5.7/6.664 6.152 ± 0.633
ea27 1342 1342/1342 1342 ± 0.00003887 5.597 5.336/6.384 5.786 ± 0.5851
ea28 1342 1342/1342 1342 ± 0.000003479 5.632 5.401/6.368 5.84 ± 0.616
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 5.508 5.291/5.7 5.491 ± 0.2537
3 1342 1342/1342 1342 ± 0.00002752 5.07 4.945/5.367 5.135 ± 0.2718
4 1342 1342/1342 1342 ± 0.00002462 5.213 5.067/5.475 5.246 ± 0.3307
5 1342 1342/1342 1342 ± 0.0000244 5.443 5.21/5.575 5.411 ± 0.3061
6 1342 1342/1342 1342 ± 0.0000244 5.409 5.194/5.541 5.382 ± 0.2819
7 1342 1342/1342 1342 ± 0.0000244 5.42 5.284/5.583 5.429 ± 0.25
8 1342 1342/1342 1342 ± 0.0000244 5.41 5.173/5.574 5.372 ± 0.2804
9 1342 1342/1342 1342 ± 0.0000244 5.614 5.483/5.941 5.64 ± 0.3098
10 1342 1342/1342 1342 ± 0.0000244 6.067 5.917/6.272 6.053 ± 0.3059
11 1342 1342/1342 1342 ± 0.0000244 6.325 6.193/6.522 6.277 ± 0.3241
12 1342 1342/1342 1342 ± 0.0000244 6.441 6.236/6.654 6.419 ± 0.3508
13 1342 1342/1342 1342 ± 0.0000244 6.825 6.706/7.121 6.841 ± 0.3674
14 1342 1342/1342 1342 ± 0.0000244 6.973 6.797/7.29 6.991 ± 0.3946
15 1342 1342/1342 1342 ± 0.0000244 6.68 6.44/6.834 6.587 ± 0.3846
16 1342 1342/1342 1342 ± 0.00003352 5.976 5.793/6.28 5.979 ± 0.3308
17 1342 1342/1342 1342 ± 0.00003248 5.917 5.759/6.156 5.93 ± 0.3113
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS2.1.sb38541375.eb38627613.59093.84554634259_split_split.ms
overwrite_modelcol
False
Start time
2024-05-01 07:50:09.541
End
2024-05-01 08:46:55.503
Duration
0:56:45.962
Note, WebLog generation is not included in the time.

CASA logs for stage 7