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

Statwt Summary Plot

VLASS2.1.sb38561374.eb38565040.59070.62333981482_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 5.225 5.137/6.056 5.512 ± 0.625
ea02 1342 1342/1342 1342 ± 0.00004272 5.704 5.208/6.546 5.813 ± 0.8025
ea05 1342 1342/1342 1342 ± 0.0000178 5.462 5.125/6.426 5.744 ± 0.6953
ea06 1342 1342/1342 1342 ± 0 4.949 4.742/5.573 5.144 ± 0.54
ea07 1342 1342/1342 1342 ± 0.00003951 5.685 5.136/5.949 5.597 ± 0.6097
ea08 1342 1342/1342 1342 ± 0.00004234 5.689 5.439/6.801 6.019 ± 0.8239
ea09 1342 1342/1342 1342 ± 0.00003881 4.593 3.433/6.462 4.86 ± 1.381
ea10 1342 1342/1342 1342 ± 0.00004272 5.385 5.041/6.439 5.643 ± 0.7121
ea11 1342 1342/1342 1342 ± 0.00002742 5.784 5.064/6.402 5.685 ± 0.7722
ea12 1342 1342/1342 1342 ± 0 5.511 5.201/6.447 5.716 ± 0.7619
ea13 1342 1342/1342 1342 ± 0.0000303 5.709 5.546/6.362 5.92 ± 0.6787
ea14 1342 1342/1342 1342 ± 0.000003985 6.517 5.906/6.847 6.307 ± 0.7036
ea15 1342 1342/1342 1342 ± 0 5.463 5.194/6.335 5.73 ± 0.7221
ea16 1342 1342/1342 1342 ± 0.00000737 5.206 4.878/5.848 5.302 ± 0.5496
ea17 1342 1342/1342 1342 ± 0.00004272 5.807 5.422/6.851 5.945 ± 0.7942
ea18 1342 1342/1342 1342 ± 0.000007712 4.896 4.581/5.706 5.038 ± 0.5907
ea19 1342 1342/1342 1342 ± 0 5.639 5.356/6.694 5.966 ± 0.7061
ea20 1342 1342/1342 1342 ± 0.000001139 5.841 5.491/6.84 6.021 ± 0.8382
ea21 1342 1342/1342 1342 ± 0.000006128 5.398 5.208/6.307 5.689 ± 0.6707
ea22 1342 1342/1342 1342 ± 0.00004233 5.362 5.11/6.492 5.684 ± 0.7761
ea23 1342 1342/1342 1342 ± 0.00003232 5.626 5.286/6.543 5.903 ± 0.7811
ea25 1342 1342/1342 1342 ± 0 5.162 5.112/5.259 5.194 ± 0.1839
ea26 1342 1342/1342 1342 ± 0.00002004 5.506 5.289/6.535 5.743 ± 0.7399
ea27 1342 1342/1342 1342 ± 0.00004272 5.454 5.075/6.477 5.66 ± 0.7456
ea28 1342 1342/1342 1342 ± 0.00005286 6.489 5.807/6.769 6.143 ± 0.8366
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 ± 0.00002492 5.374 5.152/5.505 5.246 ± 0.4534
4 1342 1342/1342 1342 ± 0.00004883 4.942 4.796/5.029 4.921 ± 0.1238
5 1342 1342/1342 1342 ± 0.00002492 5.19 4.984/5.306 5.112 ± 0.4662
6 1342 1342/1342 1342 ± 0.00002492 5.194 4.955/5.345 5.105 ± 0.4417
7 1342 1342/1342 1342 ± 0.00002492 5.206 5.043/5.382 5.132 ± 0.4238
8 1342 1342/1342 1342 ± 0.00002492 5.248 4.997/5.398 5.136 ± 0.4539
9 1342 1342/1342 1342 ± 0.00002492 5.533 5.458/5.793 5.468 ± 0.5108
10 1342 1342/1342 1342 ± 0.00002442 6.051 5.82/6.135 5.977 ± 0.2987
11 1342 1342/1342 1342 ± 0.00002442 6.343 6.213/6.405 6.244 ± 0.3317
12 1342 1342/1342 1342 ± 0.00002442 6.471 6.299/6.563 6.399 ± 0.3299
13 1342 1342/1342 1342 ± 0.00002442 6.733 6.593/6.954 6.714 ± 0.3371
14 1342 1342/1342 1342 ± 0.00002442 6.854 6.636/7.058 6.784 ± 0.3565
15 1342 1342/1342 1342 ± 0.00002442 6.603 6.446/6.802 6.564 ± 0.3861
16 1342 1342/1342 1342 ± 0.00006097 4.727 4.589/4.912 4.762 ± 0.2756
17 1342 1342/1342 1342 ± 0.00006088 4.654 4.548/4.804 4.691 ± 0.249
output_dir
 
vis
VLASS2.1.sb38561374.eb38565040.59070.62333981482_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2024-04-20 10:27:55.270
End
2024-04-20 11:30:42.147
Duration
1:02:46.878
Note, WebLog generation is not included in the time.

CASA logs for stage 7