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

Statwt Summary Plot

VLASS2.1.sb38606107.eb38625163.59092.29495140046_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 5.251 5.095/5.868 5.322 ± 0.7844
ea02 1342 1342/1342 1342 ± 0.00004175 5.718 5.314/6.629 5.744 ± 0.9916
ea04 1342 1342/1342 1342 ± 0.000007674 5.094 4.898/5.918 5.162 ± 0.9116
ea05 1342 1342/1342 1342 ± 0.000009322 5.431 5.105/6.222 5.573 ± 0.7364
ea06 1342 1342/1342 1342 ± 0.00001597 4.682 4.503/5.181 4.621 ± 0.7218
ea07 1342 1342/1342 1342 ± 0.00004308 5.673 5.283/6.164 5.555 ± 0.8623
ea08 1342 1342/1342 1342 ± 0.00004272 5.854 5.47/6.772 5.9 ± 1.009
ea10 1342 1342/1342 1342 ± 0.00004381 5.522 5.174/6.467 5.58 ± 0.9388
ea11 1342 1342/1342 1342 ± 0.00004268 5.702 5.039/6.334 5.483 ± 0.9366
ea12 1342 1342/1342 1342 ± 0.00002398 5.45 5.174/6.523 5.578 ± 1.103
ea13 1342 1342/1342 1342 ± 0.00001894 5.837 5.697/6.43 5.974 ± 0.7813
ea14 1342 1342/1342 1342 ± 0.000008613 5.459 5.076/6.323 5.491 ± 0.8116
ea15 1342 1342/1342 1342 ± 0.000001652 5.206 4.924/6.147 5.366 ± 0.985
ea16 1342 1342/1342 1342 ± 0.00002118 5.81 5.492/6.573 5.831 ± 0.9446
ea17 1342 1342/1342 1342 ± 0.0000437 5.814 5.212/6.379 5.671 ± 0.9704
ea18 1342 1342/1342 1342 ± 0.00004172 4.876 4.513/5.587 4.84 ± 0.7312
ea19 1342 1342/1342 1342 ± 0 5.704 5.476/6.632 5.868 ± 0.7808
ea20 1342 1342/1342 1342 ± 0.0000253 5.86 5.525/6.82 6.041 ± 0.9256
ea21 1342 1342/1342 1342 ± 0.00001526 5.451 5.212/6.226 5.513 ± 0.7619
ea22 1342 1342/1342 1342 ± 0.00002951 5.396 5.039/6.427 5.584 ± 0.8604
ea23 1342 1342/1342 1342 ± 0.00003666 5.654 5.21/6.311 5.628 ± 0.8511
ea25 1342 1342/1342 1342 ± 0.00004272 5.309 4.888/6.06 5.332 ± 0.8594
ea26 1342 1342/1342 1342 ± 0.00002123 5.818 5.582/6.916 6.057 ± 0.9159
ea27 1342 1342/1342 1342 ± 0.00004341 5.405 5.002/6.363 5.408 ± 0.9026
ea28 1342 1342/1342 1342 ± 0.00004316 5.527 5.287/6.525 5.633 ± 0.9187
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 ± 0.00002397 5.126 4.973/5.426 5.194 ± 0.2776
5 1342 1342/1342 1342 ± 0.00002397 5.199 4.918/5.445 5.136 ± 0.3934
6 1342 1342/1342 1342 ± 0.00002397 5.293 5.048/5.458 5.248 ± 0.3179
7 1342 1342/1342 1342 ± 0.00002397 5.308 5.125/5.488 5.291 ± 0.2787
8 1342 1342/1342 1342 ± 0.00002397 5.324 5.099/5.474 5.26 ± 0.2966
9 1342 1342/1342 1342 ± 0.00002397 5.608 5.433/5.854 5.586 ± 0.3301
10 1342 1342/1342 1342 ± 0.00002397 6.028 5.906/6.207 5.985 ± 0.3529
11 1342 1342/1342 1342 ± 0.00002397 6.325 6.145/6.453 6.247 ± 0.3672
12 1342 1342/1342 1342 ± 0.00002397 6.462 6.27/6.634 6.418 ± 0.3863
13 1342 1342/1342 1342 ± 0.00002397 6.685 6.419/6.927 6.608 ± 0.4074
14 1342 1342/1342 1342 ± 0.00002823 6.36 6.021/6.912 6.425 ± 0.5711
15 1342 1342/1342 1342 ± 0.00002397 6.638 6.336/6.817 6.512 ± 0.4857
16 1342 1342/1342 1342 ± 0.00006009 3.731 3.54/4.024 3.781 ± 0.3854
17 1342 1342/1342 1342 ± 0.00006097 3.899 3.713/4.132 3.923 ± 0.373
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.1.sb38606107.eb38625163.59092.29495140046_split_split.ms
statwtmode
VLASS-SE
output_dir
 
Start time
2025-01-01 02:43:40.075
End
2025-01-01 03:13:12.818
Duration
0:29:32.743
Note, WebLog generation is not included in the time.

CASA logs for stage 8