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

Statwt Summary Plot

VLASS2.1.sb38523814.eb38632964.59098.28982543982_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 5.523 5.263/5.999 5.689 ± 0.5569
ea02 1342 1342/1342 1342 ± 0 5.665 5.295/6.395 5.886 ± 0.6554
ea04 1342 1342/1342 1342 ± 0.000006119 5.188 4.89/5.918 5.424 ± 0.6111
ea05 1342 1342/1342 1342 ± 0 5.538 5.016/6.088 5.619 ± 0.6543
ea06 1342 1342/1342 1342 ± 0 4.568 4.332/5.068 4.7 ± 0.4064
ea07 1342 1342/1342 1342 ± 0 5.945 5.357/6.239 5.938 ± 0.6266
ea08 1342 1342/1342 1342 ± 0 5.684 5.432/6.574 6.01 ± 0.6876
ea09 1342 1342/1342 1342 ± 0 5.402 4.962/6.316 5.566 ± 0.676
ea10 1342 1342/1342 1342 ± 0 5.938 5.219/6.64 5.903 ± 0.7261
ea11 1342 1342/1342 1342 ± 0 5.814 5.096/6.323 5.799 ± 0.6937
ea12 1342 1342/1342 1342 ± 0 5.535 5.146/6.259 5.756 ± 0.6721
ea13 1342 1342/1342 1342 ± 0 5.625 5.404/6.169 5.825 ± 0.5574
ea14 1342 1342/1342 1342 ± 0 5.862 5.126/6.272 5.752 ± 0.6848
ea15 1342 1342/1342 1342 ± 0 5.336 4.766/6.034 5.47 ± 0.7358
ea16 1342 1342/1342 1342 ± 0 6.092 5.464/6.637 6.141 ± 0.7383
ea17 1342 1342/1342 1342 ± 0.00001919 5.976 5.428/6.817 6.074 ± 0.7087
ea18 1342 1342/1342 1342 ± 0 4.918 4.593/5.527 5.069 ± 0.5405
ea19 1342 1342/1342 1342 ± 0 5.599 5.32/6.593 5.993 ± 0.7211
ea20 1342 1342/1342 1342 ± 0 5.932 5.463/6.588 6.073 ± 0.678
ea21 1342 1342/1342 1342 ± 0 5.553 5.138/6.135 5.675 ± 0.6219
ea22 1342 1342/1342 1342 ± 0 5.346 4.957/6.179 5.551 ± 0.6339
ea23 1342 1342/1342 1342 ± 0 6.167 5.371/6.571 6.062 ± 0.7122
ea25 1342 1342/1342 1342 ± 0 5.602 5.178/6.122 5.715 ± 0.6198
ea26 1342 1342/1342 1342 ± 0 5.699 5.305/6.686 5.903 ± 0.7127
ea27 1342 1342/1342 1342 ± 0.00002223 5.568 5.24/6.426 5.786 ± 0.6313
ea28 1342 1342/1342 1342 ± 0.00001214 5.615 5.399/6.475 5.892 ± 0.6726
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 ± 0.00002353 5.227 4.972/5.329 5.157 ± 0.2703
3 1342 1342/1342 1342 ± 0.00002495 5.091 4.949/5.238 5.059 ± 0.256
4 1342 1342/1342 1342 ± 0.00002429 5.107 4.812/5.236 5.024 ± 0.3041
5 1342 1342/1342 1342 ± 0.00002353 5.178 5.006/5.424 5.174 ± 0.3374
6 1342 1342/1342 1342 ± 0.00002353 5.17 4.969/5.352 5.113 ± 0.3034
7 1342 1342/1342 1342 ± 0.00002353 5.228 5.091/5.411 5.182 ± 0.283
8 1342 1342/1342 1342 ± 0.00002353 5.235 5.038/5.386 5.163 ± 0.3123
9 1342 1342/1342 1342 ± 0.00002353 5.554 5.269/5.767 5.467 ± 0.3745
10 1342 1342/1342 1342 ± 0.00002353 5.995 5.789/6.16 5.932 ± 0.3487
11 1342 1342/1342 1342 ± 0.00002368 6.185 6.003/6.365 6.147 ± 0.355
12 1342 1342/1342 1342 ± 0.00002353 6.347 6.183/6.576 6.324 ± 0.382
13 1342 1342/1342 1342 ± 0.00002353 6.838 6.662/7.055 6.767 ± 0.4092
14 1342 1342/1342 1342 ± 0.00002353 7.037 6.778/7.28 6.949 ± 0.4502
15 1342 1342/1342 1342 ± 0.00002353 6.622 6.397/6.789 6.532 ± 0.4125
16 1342 1342/1342 1342 ± 0.00002953 5.863 5.64/6.177 5.871 ± 0.3814
17 1342 1342/1342 1342 ± 0.00002834 5.866 5.641/6.083 5.859 ± 0.3723
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS2.1.sb38523814.eb38632964.59098.28982543982_split_split.ms
Start time
2025-01-14 02:45:58.559
End
2025-01-14 03:14:44.109
Duration
0:28:45.551
Note, WebLog generation is not included in the time.

CASA logs for stage 8