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

Statwt Summary Plot

VLASS3.2.sb45544419.eb45877457.60435.173042256945_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 5.589 5.357/6.262 5.586 ± 0.904
ea02 1342 1342/1342 1342 ± 0.00002806 5.711 5.333/6.489 5.669 ± 0.8935
ea03 1342 1342/1342 1342 ± 0.000001824 5.416 5.342/6.349 5.699 ± 0.7173
ea04 1342 1342/1342 1342 ± 0.00004694 5.236 4.911/6.101 5.282 ± 0.7708
ea05 1342 1342/1342 1342 ± 0.00004885 5.432 5.051/6.457 5.49 ± 0.9293
ea06 1342 1342/1342 1342 ± 0.00002265 5.192 4.881/6.018 5.259 ± 0.7621
ea07 1342 1342/1342 1342 ± 0.00003955 5.232 5.126/6.319 5.511 ± 0.8916
ea08 1342 1342/1342 1342 ± 0.000007933 5.836 5.463/6.926 5.921 ± 1.038
ea09 1342 1342/1342 1342 ± 0.00004441 5.172 4.842/6.008 5.31 ± 0.7827
ea10 1342 1342/1342 1342 ± 0.00004113 5.098 4.617/5.95 5.102 ± 0.7828
ea11 1342 1342/1342 1342 ± 0.00005157 5.207 4.565/6.085 5.122 ± 0.925
ea13 1342 1342/1342 1342 ± 0.000002579 5.61 5.305/6.312 5.682 ± 0.5706
ea14 1342 1342/1342 1342 ± 0.00004618 5.426 5.097/6.546 5.582 ± 0.891
ea15 1342 1342/1342 1342 ± 0.00004911 5.525 5.247/6.592 5.58 ± 0.9565
ea16 1342 1342/1342 1342 ± 0.00001939 5.755 5.43/6.561 5.773 ± 0.8873
ea17 1342 1342/1342 1342 ± 0.00003986 5.714 5.391/6.687 5.807 ± 0.9969
ea18 1342 1342/1342 1342 ± 0.00001078 5.896 5.699/6.989 6.013 ± 1.043
ea19 1342 1342/1342 1342 ± 0.00003562 5.399 5.183/6.444 5.513 ± 0.8927
ea20 1342 1342/1342 1342 ± 0.00001867 5.473 5.367/6.156 5.637 ± 0.6424
ea21 1342 1342/1342 1342 ± 0.000005162 5.109 4.877/5.649 5.178 ± 0.5818
ea22 1342 1342/1342 1342 ± 0.00001471 5.848 5.299/6.672 5.777 ± 0.9847
ea23 1342 1342/1342 1342 ± 0.00004388 5.535 5.096/6.291 5.52 ± 0.8903
ea24 1342 1342/1342 1342 ± 0 5.305 5.148/6.53 5.656 ± 0.7055
ea25 1342 1342/1342 1342 ± 0.00001162 5.765 5.405/6.816 6.035 ± 0.8267
ea27 1342 1342/1342 1342 ± 0.00000962 5.265 4.959/6.362 5.425 ± 0.8878
ea28 1342 1342/1342 1342 ± 0 5.829 5.648/6.71 6.067 ± 0.7121
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 ± 0.00002395 5.344 5.066/5.42 5.256 ± 0.2665
5 1342 1342/1342 1342 ± 0.00002707 5.317 5.099/5.625 5.33 ± 0.3637
6 1342 1342/1342 1342 ± 0.0000236 5.369 5.127/5.587 5.336 ± 0.2843
7 1342 1342/1342 1342 ± 0.0000236 5.345 5.188/5.542 5.33 ± 0.2599
8 1342 1342/1342 1342 ± 0.0000236 5.352 5.151/5.482 5.325 ± 0.272
9 1342 1342/1342 1342 ± 0.0000236 5.604 5.409/5.843 5.617 ± 0.3095
10 1342 1342/1342 1342 ± 0.00002405 6.178 5.947/6.276 6.141 ± 0.3014
11 1342 1342/1342 1342 ± 0.0000236 6.476 6.239/6.628 6.437 ± 0.2848
12 1342 1342/1342 1342 ± 0.0000236 6.602 6.4/6.829 6.604 ± 0.3284
13 1342 1342/1342 1342 ± 0.0000236 6.749 6.456/6.987 6.731 ± 0.4122
14 1342 1342/1342 1342 ± 0.00004904 5.176 4.754/5.667 5.302 ± 0.6834
15 1342 1342/1342 1342 ± 0.0000236 6.625 6.135/6.938 6.549 ± 0.4764
16 1342 1342/1342 1342 ± 0.00006079 4.06 3.923/4.381 4.217 ± 0.4566
17 1342 1342/1342 1342 ± 0.000061 3.914 3.778/4.196 4.025 ± 0.3782
vis
VLASS3.2.sb45544419.eb45877457.60435.173042256945_split_split.ms
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2025-07-19 00:40:38.381
End
2025-07-19 01:03:10.396
Duration
0:22:32.014
Note, WebLog generation is not included in the time.

CASA logs for stage 8