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

Statwt Summary Plot

VLASS2.1.sb38664748.eb38688475.59125.74132475695_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 5.086 4.946/5.742 5.161 ± 0.7226
ea02 1342 1342/1342 1342 ± 0.00004218 5.481 5.021/6.285 5.502 ± 0.9107
ea03 1342 1342/1342 1342 ± 0.00002275 4.728 4.539/5.857 5.028 ± 0.7354
ea04 1342 1342/1342 1342 ± 0.00002562 5.119 4.89/5.993 5.214 ± 0.7709
ea05 1342 1342/1342 1342 ± 0.0000221 5.306 4.958/6.047 5.415 ± 0.6756
ea06 1342 1342/1342 1342 ± 0.00003353 4.818 4.641/5.581 4.915 ± 0.7312
ea07 1342 1342/1342 1342 ± 0.00004326 5.325 5.111/5.986 5.42 ± 0.7816
ea08 1342 1342/1342 1342 ± 0.00004385 5.651 5.299/6.559 5.721 ± 0.9971
ea09 1342 1342/1342 1342 ± 0.0000299 5.204 5.015/6.142 5.367 ± 0.7967
ea10 1342 1342/1342 1342 ± 0.00004296 5.248 5/6.332 5.422 ± 0.8924
ea11 1342 1342/1342 1342 ± 0.000043 5.302 4.883/6.201 5.338 ± 0.8694
ea12 1342 1342/1342 1342 ± 0.0000381 5.236 4.977/6.322 5.405 ± 0.9314
ea13 1342 1342/1342 1342 ± 0.00003462 5.651 5.484/6.371 5.776 ± 0.7949
ea14 1342 1342/1342 1342 ± 0.00002296 5.213 4.887/6.181 5.327 ± 0.8028
ea15 1342 1342/1342 1342 ± 0.00002159 5.091 4.883/6.176 5.406 ± 0.8708
ea16 1342 1342/1342 1342 ± 0.00003413 5.524 5.221/6.41 5.632 ± 0.8868
ea17 1342 1342/1342 1342 ± 0.00004938 5.767 5.324/6.473 5.759 ± 0.9363
ea18 1342 1342/1342 1342 ± 0.0000425 4.578 4.389/5.321 4.701 ± 0.6382
ea19 1342 1342/1342 1342 ± 0.000008779 5.315 5.143/6.22 5.5 ± 0.698
ea21 1342 1342/1342 1342 ± 0.00003004 5.248 5/6.111 5.388 ± 0.7282
ea22 1342 1342/1342 1342 ± 0.00004277 5.229 4.872/6.156 5.339 ± 0.867
ea23 1342 1342/1342 1342 ± 0.00004281 5.333 5.032/6.208 5.481 ± 0.8493
ea25 1342 1342/1342 1342 ± 0.00004863 5.189 4.858/5.984 5.187 ± 0.8749
ea26 1342 1342/1342 1342 ± 0.00003747 5.534 5.321/6.723 5.743 ± 0.8648
ea27 1342 1342/1342 1342 ± 0.00004824 5.215 4.923/6.227 5.344 ± 0.8239
ea28 1342 1342/1342 1342 ± 0.00004611 5.265 4.955/6.021 5.272 ± 0.7982
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 ± 0.00002366 5.063 4.946/5.263 5.07 ± 0.2345
3 1342 1342/1342 1342 ± 0.00005466 4.737 4.546/5.114 4.793 ± 0.3622
5 1342 1342/1342 1342 ± 0.00002366 5.125 4.884/5.297 5.108 ± 0.3101
6 1342 1342/1342 1342 ± 0.00002366 5.084 4.919/5.231 5.077 ± 0.279
7 1342 1342/1342 1342 ± 0.00002366 5.09 5.028/5.214 5.132 ± 0.2424
8 1342 1342/1342 1342 ± 0.00002366 5.108 4.949/5.299 5.115 ± 0.2654
9 1342 1342/1342 1342 ± 0.00002366 5.39 5.307/5.661 5.419 ± 0.304
10 1342 1342/1342 1342 ± 0.00002366 5.85 5.707/6.02 5.824 ± 0.3102
11 1342 1342/1342 1342 ± 0.00002366 6.16 5.993/6.286 6.11 ± 0.2988
12 1342 1342/1342 1342 ± 0.00002366 6.32 6.151/6.42 6.277 ± 0.3026
13 1342 1342/1342 1342 ± 0.00002457 6.385 6.25/6.608 6.38 ± 0.3261
14 1342 1342/1342 1342 ± 0.00003973 6.091 5.813/6.375 6.099 ± 0.4142
15 1342 1342/1342 1342 ± 0.00002473 6.413 6.211/6.691 6.406 ± 0.4128
16 1342 1342/1342 1342 ± 0.00005436 3.815 3.548/4.037 3.801 ± 0.3396
17 1342 1342/1342 1342 ± 0.00005843 3.826 3.621/4.045 3.823 ± 0.2992
datacolumn
residual_data
vis
VLASS2.1.sb38664748.eb38688475.59125.74132475695_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
Start time
2025-01-04 08:37:03.806
End
2025-01-04 09:38:34.843
Duration
1:01:31.036
Note, WebLog generation is not included in the time.

CASA logs for stage 8