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

Statwt Summary Plot

VLASS2.1.sb38483282.eb38504007.59045.97679461805_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 5.579 5.352/6.117 5.729 ± 0.534
ea02 1342 1342/1342 1342 ± 0.000008898 5.877 5.52/6.554 6.033 ± 0.6384
ea04 1342 1342/1342 1342 ± 0.00001943 5.482 5.172/6.059 5.625 ± 0.5137
ea05 1342 1342/1342 1342 ± 0 5.869 5.475/6.433 5.906 ± 0.5614
ea06 1342 1342/1342 1342 ± 0 5.683 5.178/6.015 5.653 ± 0.4959
ea07 1342 1342/1342 1342 ± 0 5.231 5.061/5.683 5.33 ± 0.2745
ea08 1342 1342/1342 1342 ± 0.00002844 5.976 5.625/6.667 6.16 ± 0.6528
ea09 1342 1342/1342 1342 ± 0 5.421 5.028/5.942 5.488 ± 0.4799
ea10 1342 1342/1342 1342 ± 0.00003651 5.383 5.127/6.109 5.56 ± 0.5559
ea11 1342 1342/1342 1342 ± 0.000002523 5.775 5.437/6.427 5.957 ± 0.6051
ea13 1342 1342/1342 1342 ± 0 6.006 5.779/6.171 6.072 ± 0.4518
ea14 1342 1342/1342 1342 ± 0.00001675 5.925 5.505/6.467 5.983 ± 0.6374
ea15 1342 1342/1342 1342 ± 0 5.884 5.451/6.39 5.995 ± 0.6597
ea16 1342 1342/1342 1342 ± 0.000001233 6.088 5.642/6.637 6.141 ± 0.6773
ea17 1342 1342/1342 1342 ± 0.000008444 5.647 5.515/5.846 5.648 ± 0.2254
ea18 1342 1342/1342 1342 ± 0.000002523 5.189 4.895/5.679 5.267 ± 0.4725
ea19 1342 1342/1342 1342 ± 0 5.804 5.705/5.936 5.804 ± 0.1296
ea20 1342 1342/1342 1342 ± 0.000002156 6.198 5.755/6.786 6.22 ± 0.615
ea21 1342 1342/1342 1342 ± 0.000001761 5.63 5.48/6.273 5.877 ± 0.5185
ea22 1342 1342/1342 1342 ± 0 5.676 5.269/6.398 5.829 ± 0.6398
ea23 1342 1342/1342 1342 ± 0.00001655 5.703 5.61/6.527 6.044 ± 0.6479
ea24 1342 1342/1342 1342 ± 0 5.775 5.07/6.182 5.608 ± 0.5768
ea25 1342 1342/1342 1342 ± 0.000007587 5.539 5.383/6.21 5.758 ± 0.5604
ea26 1342 1342/1342 1342 ± 0 6.189 5.822/6.883 6.298 ± 0.6395
ea27 1342 1342/1342 1342 ± 0.000007601 5.512 5.247/5.649 5.427 ± 0.2357
ea28 1342 1342/1342 1342 ± 0.00003713 5.684 5.547/6.47 5.956 ± 0.625
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 ± 0.00002365 5.568 5.354/5.723 5.522 ± 0.2659
3 1342 1342/1342 1342 ± 0.00002517 5.085 4.921/5.307 5.144 ± 0.3455
4 1342 1342/1342 1342 ± 0.00004007 5.199 5.009/5.312 5.157 ± 0.2966
5 1342 1342/1342 1342 ± 0.00002365 5.467 5.309/5.652 5.482 ± 0.2963
6 1342 1342/1342 1342 ± 0.00002365 5.468 5.211/5.641 5.433 ± 0.2598
7 1342 1342/1342 1342 ± 0.00002365 5.463 5.205/5.62 5.436 ± 0.2571
8 1342 1342/1342 1342 ± 0.00002365 5.43 5.065/5.572 5.367 ± 0.2898
9 1342 1342/1342 1342 ± 0.00002371 5.68 5.423/5.909 5.639 ± 0.3054
10 1342 1342/1342 1342 ± 0.00002565 6.044 5.868/6.166 5.982 ± 0.312
11 1342 1342/1342 1342 ± 0.00002565 6.222 6.027/6.399 6.205 ± 0.2969
12 1342 1342/1342 1342 ± 0.00002565 6.397 6.126/6.512 6.333 ± 0.2939
13 1342 1342/1342 1342 ± 0.00002565 6.831 6.385/6.987 6.75 ± 0.3515
14 1342 1342/1342 1342 ± 0.00002565 7.065 6.631/7.254 6.985 ± 0.3801
15 1342 1342/1342 1342 ± 0.00002565 6.722 6.334/6.94 6.628 ± 0.3778
16 1342 1342/1342 1342 ± 0.00004332 5.703 5.578/6.015 5.77 ± 0.3077
17 1342 1342/1342 1342 ± 0.00003919 5.828 5.579/6.098 5.834 ± 0.294
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
vis
VLASS2.1.sb38483282.eb38504007.59045.97679461805_split_split.ms
output_dir
 
Start time
2024-04-12 23:04:21.463
End
2024-04-12 23:47:28.461
Duration
0:43:06.998
Note, WebLog generation is not included in the time.

CASA logs for stage 7