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 5.311 5.096/6.081 5.587 ± 0.6151
ea02 1342 1342/1342 1342 ± 0.0000347 5.734 5.172/6.55 5.866 ± 0.7935
ea04 1342 1342/1342 1342 ± 0 5.133 4.966/6.025 5.471 ± 0.6193
ea05 1342 1342/1342 1342 ± 0.00000125 5.596 5.232/6.448 5.772 ± 0.6686
ea06 1342 1342/1342 1342 ± 0.00001277 4.757 4.612/5.395 5.016 ± 0.4822
ea07 1342 1342/1342 1342 ± 0.00004183 5.732 5.322/6.28 5.823 ± 0.7532
ea08 1342 1342/1342 1342 ± 0.00003781 5.684 5.345/6.678 6.007 ± 0.8494
ea10 1342 1342/1342 1342 ± 0.00004203 5.46 5.054/6.604 5.747 ± 0.8346
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00001595 5.336 5.261/6.512 5.767 ± 0.805
ea13 1342 1342/1342 1342 ± 0.000007592 5.948 5.418/6.268 6.005 ± 0.5985
ea14 1342 1342/1342 1342 ± 0.00001566 5.319 5.076/6.35 5.631 ± 0.7676
ea15 1342 1342/1342 1342 ± 0 5.143 5.01/6.131 5.565 ± 0.7365
ea16 1342 1342/1342 1342 ± 0 5.658 5.411/6.788 6.024 ± 0.897
ea17 1342 1342/1342 1342 ± 0.0000418 5.711 5.304/6.855 5.951 ± 0.7726
ea18 1342 1342/1342 1342 ± 0.00003475 4.733 4.604/5.619 5.032 ± 0.594
ea19 1342 1342/1342 1342 ± 0.000005612 5.878 5.46/6.707 6.035 ± 0.7259
ea20 1342 1342/1342 1342 ± 0.00002212 5.772 5.468/6.835 6.046 ± 0.8324
ea21 1342 1342/1342 1342 ± 0.00001008 5.537 5.153/6.28 5.732 ± 0.6871
ea22 1342 1342/1342 1342 ± 0.00002164 5.359 5.14/6.437 5.696 ± 0.7217
ea23 1342 1342/1342 1342 ± 0.0000404 5.612 5.295/6.557 5.879 ± 0.8456
ea25 1342 1342/1342 1342 ± 0.00004126 5.318 4.857/6.193 5.531 ± 0.7226
ea26 1342 1342/1342 1342 ± 0.00001377 5.78 5.628/6.822 6.148 ± 0.7001
ea27 1342 1342/1342 1342 ± 0.00004181 5.312 4.983/6.369 5.629 ± 0.7138
ea28 1342 1342/1342 1342 ± 0.0000417 5.368 5.288/6.516 5.769 ± 0.8003
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 ± 0.00002452 5.129 4.828/5.323 5.098 ± 0.2665
3 1342 1342/1342 1342 ± 0.0000249 5.201 4.948/5.488 5.244 ± 0.3993
5 1342 1342/1342 1342 ± 0.00002538 5.657 5.392/5.807 5.603 ± 0.3408
6 1342 1342/1342 1342 ± 0.00002452 5.31 5.075/5.456 5.263 ± 0.2738
7 1342 1342/1342 1342 ± 0.00002452 5.306 5.138/5.481 5.308 ± 0.2605
8 1342 1342/1342 1342 ± 0.00002452 5.244 5.045/5.405 5.207 ± 0.2845
9 1342 1342/1342 1342 ± 0.00002452 5.405 5.258/5.687 5.415 ± 0.307
10 1342 1342/1342 1342 ± 0.00002452 6.028 5.901/6.181 5.993 ± 0.3271
11 1342 1342/1342 1342 ± 0.00002452 6.304 6.159/6.397 6.235 ± 0.3178
12 1342 1342/1342 1342 ± 0.00002452 6.457 6.253/6.597 6.403 ± 0.355
13 1342 1342/1342 1342 ± 0.00002452 6.818 6.746/7.128 6.844 ± 0.3707
14 1342 1342/1342 1342 ± 0.00002452 7.184 6.881/7.377 7.062 ± 0.4198
15 1342 1342/1342 1342 ± 0.00002452 6.72 6.457/6.89 6.615 ± 0.4509
16 1342 1342/1342 1342 ± 0.000061 4.736 4.587/4.933 4.761 ± 0.2756
17 1342 1342/1342 1342 ± 0.00006043 4.965 4.809/5.204 5.008 ± 0.3147
datacolumn
residual_data
vis
VLASS2.1.sb38464181.eb38625161.59091.97021673611_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
Start time
2024-12-21 12:20:54.058
End
2024-12-21 13:12:04.835
Duration
0:51:10.777
Note, WebLog generation is not included in the time.

CASA logs for stage 8