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

Statwt Summary Plot

VLASS2.1.sb38452360.eb38575738.59077.463367233795_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 5.221 5.167/5.824 5.254 ± 0.8503
ea02 1342 1342/1342 1342 ± 0.00004198 5.888 5.326/6.584 5.714 ± 1.02
ea04 1342 1342/1342 1342 ± 0.00004115 5.234 4.945/5.959 5.159 ± 0.9527
ea05 1342 1342/1342 1342 ± 0.00001004 5.491 5.124/6.199 5.492 ± 0.835
ea06 1342 1342/1342 1342 ± 0.00004073 4.895 4.691/5.326 4.748 ± 0.815
ea07 1342 1342/1342 1342 ± 0.00004246 5.551 5.28/6.054 5.443 ± 0.9221
ea08 1342 1342/1342 1342 ± 0.00004217 6.016 5.536/6.713 5.899 ± 1.089
ea09 1342 1342/1342 1342 ± 0.00002197 5.552 5.157/6.167 5.473 ± 0.8687
ea10 1342 1342/1342 1342 ± 0.00004388 5.315 5.014/6.212 5.346 ± 0.9256
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00004166 5.43 5.216/6.433 5.494 ± 1.024
ea13 1342 1342/1342 1342 ± 0.00001767 5.803 5.621/6.357 5.829 ± 0.8952
ea14 1342 1342/1342 1342 ± 0.00001798 5.602 5.218/6.506 5.588 ± 0.9653
ea15 1342 1342/1342 1342 ± 0.00003863 5.255 5.013/6.18 5.347 ± 1.107
ea16 1342 1342/1342 1342 ± 0.00002051 5.716 5.364/6.236 5.577 ± 0.9629
ea17 1342 1342/1342 1342 ± 0.00004616 5.864 5.348/6.476 5.701 ± 1.046
ea18 1342 1342/1342 1342 ± 0.00004258 4.874 4.576/5.434 4.822 ± 0.7618
ea19 1342 1342/1342 1342 ± 0.000002071 5.695 5.427/6.448 5.726 ± 0.8427
ea20 1342 1342/1342 1342 ± 0.00004219 5.765 5.671/6.687 5.806 ± 1.074
ea21 1342 1342/1342 1342 ± 0.00001578 5.519 5.271/6.225 5.45 ± 0.8876
ea22 1342 1342/1342 1342 ± 0.00003205 5.414 5.11/6.391 5.522 ± 0.9264
ea23 1342 1342/1342 1342 ± 0.00003896 5.656 5.387/6.347 5.57 ± 0.986
ea25 1342 1342/1342 1342 ± 0.00004353 5.407 5.136/6.11 5.367 ± 0.9325
ea27 1342 1342/1342 1342 ± 0.00004451 5.443 5.049/6.246 5.354 ± 0.9306
ea28 1342 1342/1342 1342 ± 0.00004341 5.569 5.343/6.391 5.597 ± 0.9943
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 ± 0.00002453 5.33 5.13/5.549 5.318 ± 0.2683
5 1342 1342/1342 1342 ± 0.00002461 5.325 5.179/5.452 5.312 ± 0.3616
6 1342 1342/1342 1342 ± 0.00002453 5.272 5.157/5.427 5.254 ± 0.2719
7 1342 1342/1342 1342 ± 0.00002453 5.298 5.108/5.419 5.267 ± 0.245
8 1342 1342/1342 1342 ± 0.00002453 5.305 5.068/5.434 5.25 ± 0.2673
9 1342 1342/1342 1342 ± 0.00002453 5.59 5.408/5.76 5.525 ± 0.3115
10 1342 1342/1342 1342 ± 0.00002453 6.025 5.843/6.077 5.941 ± 0.3171
11 1342 1342/1342 1342 ± 0.00002453 6.258 6.113/6.385 6.219 ± 0.3231
12 1342 1342/1342 1342 ± 0.00002453 6.423 6.28/6.581 6.389 ± 0.3358
13 1342 1342/1342 1342 ± 0.00002458 6.653 6.317/6.763 6.521 ± 0.3599
14 1342 1342/1342 1342 ± 0.00003421 6.126 5.729/6.485 6.117 ± 0.5153
15 1342 1342/1342 1342 ± 0.00002606 6.499 6.267/6.787 6.472 ± 0.4471
16 1342 1342/1342 1342 ± 0.00005485 3.391 3.219/3.65 3.417 ± 0.3416
17 1342 1342/1342 1342 ± 0.00005714 3.561 3.399/3.797 3.604 ± 0.3226
vis
VLASS2.1.sb38452360.eb38575738.59077.463367233795_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
Start time
2024-11-02 19:44:48.950
End
2024-11-02 20:45:05.203
Duration
1:00:16.253
Note, WebLog generation is not included in the time.

CASA logs for stage 8