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

Statwt Summary Plot

VLASS2.1.sb38471682.eb38515236.59049.18662664352_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 5.596 5.318/6.32 5.668 ± 0.7512
ea02 1342 1342/1342 1342 ± 0.0000431 6.085 5.622/6.725 6.038 ± 0.8807
ea04 1342 1342/1342 1342 ± 0.00001907 5.399 5.222/6.079 5.534 ± 0.7441
ea05 1342 1342/1342 1342 ± 0.00002774 5.506 5.212/6.525 5.778 ± 0.7599
ea06 1342 1342/1342 1342 ± 0.00002676 5.23 4.881/5.772 5.215 ± 0.6762
ea07 1342 1342/1342 1342 ± 0.00004346 5.99 5.564/6.327 5.853 ± 0.8307
ea09 1342 1342/1342 1342 ± 0.00002547 5.339 5.006/5.776 5.324 ± 0.5859
ea10 1342 1342/1342 1342 ± 0.00004264 5.371 4.983/6 5.334 ± 0.6821
ea11 1342 1342/1342 1342 ± 0.00004334 6.101 5.592/6.71 5.987 ± 0.9104
ea12 1342 1342/1342 1342 ± 0.00003239 5.815 5.599/6.694 5.945 ± 0.9374
ea13 1342 1342/1342 1342 ± 0.00001134 5.986 5.66/6.336 5.994 ± 0.6771
ea14 1342 1342/1342 1342 ± 0.00003707 5.875 5.522/6.699 5.963 ± 0.8164
ea15 1342 1342/1342 1342 ± 0.00001635 5.776 5.285/6.505 5.807 ± 0.9164
ea16 1342 1342/1342 1342 ± 0.00003623 5.903 5.561/6.799 6.051 ± 0.9104
ea17 1342 1342/1342 1342 ± 0.00004258 6.126 5.643/7.06 6.078 ± 0.9323
ea18 1342 1342/1342 1342 ± 0.00004267 5.153 4.982/5.927 5.279 ± 0.6667
ea19 1342 1342/1342 1342 ± 0.000007732 5.787 5.636/6.726 6.031 ± 0.7712
ea20 1342 1342/1342 1342 ± 0.00003726 6.228 5.942/7.034 6.311 ± 0.986
ea21 1342 1342/1342 1342 ± 0.00003579 5.617 5.229/6.361 5.728 ± 0.771
ea22 1342 1342/1342 1342 ± 0.0000366 5.662 5.196/6.55 5.772 ± 0.8246
ea23 1342 1342/1342 1342 ± 0.00004316 6.018 5.453/6.745 5.99 ± 0.9675
ea24 1342 1342/1342 1342 ± 0.00001537 5.28 4.907/6.12 5.451 ± 0.6579
ea25 1342 1342/1342 1342 ± 0.00004258 5.815 5.303/6.428 5.745 ± 0.8247
ea26 1342 1342/1342 1342 ± 0.00002803 5.925 5.721/6.859 6.102 ± 0.8402
ea27 1342 1342/1342 1342 ± 0.00004296 5.823 5.398/6.732 5.875 ± 0.8727
ea28 1342 1342/1342 1342 ± 0.0000425 5.8 5.656/6.736 5.985 ± 0.8933
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 ± 0.00002363 5.378 5.168/5.585 5.346 ± 0.3124
3 1342 1342/1342 1342 ± 0.00004005 5.795 5.554/6.115 5.849 ± 0.409
5 1342 1342/1342 1342 ± 0.00002589 5.471 5.217/5.689 5.464 ± 0.315
6 1342 1342/1342 1342 ± 0.00002363 5.615 5.279/5.788 5.543 ± 0.2924
7 1342 1342/1342 1342 ± 0.00002363 5.62 5.403/5.767 5.563 ± 0.2971
8 1342 1342/1342 1342 ± 0.00002363 5.554 5.202/5.66 5.479 ± 0.3294
9 1342 1342/1342 1342 ± 0.00002363 5.794 5.421/5.927 5.7 ± 0.3356
10 1342 1342/1342 1342 ± 0.00002363 6.172 5.902/6.274 6.086 ± 0.3112
11 1342 1342/1342 1342 ± 0.00002363 6.409 6.077/6.633 6.356 ± 0.3294
12 1342 1342/1342 1342 ± 0.00002363 6.548 6.318/6.745 6.516 ± 0.3712
13 1342 1342/1342 1342 ± 0.00002363 6.911 6.698/7.187 6.867 ± 0.423
14 1342 1342/1342 1342 ± 0.00002363 7.07 6.711/7.252 6.942 ± 0.4392
15 1342 1342/1342 1342 ± 0.00002389 6.625 6.292/6.872 6.547 ± 0.4362
16 1342 1342/1342 1342 ± 0.0000588 4.287 4.131/4.457 4.291 ± 0.2287
17 1342 1342/1342 1342 ± 0.00005755 4.304 4.151/4.588 4.369 ± 0.3071
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.1.sb38471682.eb38515236.59049.18662664352_split_split.ms
output_dir
 
statwtmode
VLASS-SE
Start time
2024-04-20 17:28:59.809
End
2024-04-20 18:26:35.156
Duration
0:57:35.347
Note, WebLog generation is not included in the time.

CASA logs for stage 7