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 5.595 5.062/5.924 5.44 ± 0.652
ea02 1342 1342/1342 1342 ± 0.00004176 5.788 5.125/6.399 5.729 ± 0.8543
ea04 1342 1342/1342 1342 ± 0.00003358 5.197 4.83/5.893 5.301 ± 0.6845
ea05 1342 1342/1342 1342 ± 0.00002419 5.331 4.949/6.333 5.556 ± 0.9092
ea06 1342 1342/1342 1342 ± 0.00003491 5.442 4.383/5.597 4.972 ± 0.7104
ea07 1342 1342/1342 1342 ± 0.00003061 5.67 5.106/6.048 5.618 ± 0.7144
ea08 1342 1342/1342 1342 ± 0.00003168 6.417 5.445/6.684 6.027 ± 0.8565
ea09 1342 1342/1342 1342 ± 0.00002593 5.462 4.991/6.225 5.48 ± 0.8838
ea10 1342 1342/1342 1342 ± 0.00003264 5.882 4.922/6.216 5.538 ± 0.7545
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00003602 5.385 5.07/6.29 5.579 ± 0.8305
ea13 1342 1342/1342 1342 ± 0.00001763 5.522 5.326/6.078 5.699 ± 0.8532
ea14 1342 1342/1342 1342 ± 0.00003189 5.596 5.191/6.428 5.766 ± 0.8812
ea15 1342 1342/1342 1342 ± 0.00003334 5.568 4.974/6.144 5.54 ± 0.8128
ea16 1342 1342/1342 1342 ± 0.00002864 5.62 5.285/6.444 5.743 ± 0.942
ea17 1342 1342/1342 1342 ± 0.0000336 5.878 5.433/6.709 5.911 ± 0.8397
ea18 1342 1342/1342 1342 ± 0.00003374 4.947 4.642/5.514 4.943 ± 0.5577
ea19 1342 1342/1342 1342 ± 0.000016 5.554 5.272/6.585 5.774 ± 0.9646
ea20 1342 1342/1342 1342 ± 0.00003452 6.134 5.525/6.683 5.921 ± 0.8374
ea21 1342 1342/1342 1342 ± 0.00003003 5.396 5.127/6.147 5.561 ± 0.8403
ea22 1342 1342/1342 1342 ± 0.00003738 5.349 5.02/6.342 5.547 ± 0.9133
ea23 1342 1342/1342 1342 ± 0.00003156 5.926 5.3/6.655 5.81 ± 0.8498
ea25 1342 1342/1342 1342 ± 0.00003205 5.418 4.998/6.118 5.495 ± 0.7007
ea27 1342 1342/1342 1342 ± 0.00003248 5.344 5.058/6.192 5.509 ± 0.7044
ea28 1342 1342/1342 1342 ± 0.00003449 5.785 5.207/6.371 5.724 ± 0.7859
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 5.225 5.04/5.423 5.186 ± 0.2742
5 1342 1342/1342 1342 ± 0.00004037 5.105 4.817/5.249 5.043 ± 0.2474
6 1342 1342/1342 1342 ± 0.0000244 5.093 4.985/5.283 5.081 ± 0.2696
7 1342 1342/1342 1342 ± 0.0000244 5.122 4.969/5.224 5.084 ± 0.2474
8 1342 1342/1342 1342 ± 0.0000244 5.146 4.943/5.285 5.088 ± 0.2773
9 1342 1342/1342 1342 ± 0.00002478 5.411 5.308/5.625 5.405 ± 0.3007
10 1342 1342/1342 1342 ± 0.00002442 5.824 5.676/5.924 5.783 ± 0.2762
11 1342 1342/1342 1342 ± 0.0000244 6.1 5.984/6.226 6.072 ± 0.2951
12 1342 1342/1342 1342 ± 0.0000244 6.293 6.064/6.41 6.248 ± 0.3042
13 1342 1342/1342 1342 ± 0.00002453 6.519 6.276/6.686 6.439 ± 0.3529
14 1342 1342/1342 1342 ± 0.00002466 6.712 6.327/6.924 6.62 ± 0.4376
15 1342 1342/1342 1342 ± 0.00003899 6.553 6.364/6.789 6.465 ± 0.5262
16 1342 1342/1342 1342 ± 0.00005242 3.77 3.661/3.88 3.771 ± 0.1762
17 1342 1342/1342 1342 ± 0.00005126 3.869 3.728/4.014 3.878 ± 0.2486
vis
VLASS2.1.sb38452360.eb38575738.59077.463367233795_split_split.ms
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
Start time
2024-11-02 16:21:42.265
End
2024-11-02 17:26:12.597
Duration
1:04:30.332
Note, WebLog generation is not included in the time.

CASA logs for stage 8