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

Statwt Summary Plot

VLASS2.1.sb38482214.eb38565046.59071.1506340625_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 5.327 5.221/6.164 5.478 ± 0.9065
ea02 1342 1342/1342 1342 ± 0.00004237 5.816 5.331/6.632 5.844 ± 1.055
ea05 1342 1342/1342 1342 ± 0.00002858 5.442 5.089/6.211 5.53 ± 0.9014
ea06 1342 1342/1342 1342 ± 0.000003314 4.878 4.775/5.42 4.89 ± 0.7357
ea07 1342 1342/1342 1342 ± 0.00003739 5.806 5.398/6.032 5.512 ± 0.9311
ea08 1342 1342/1342 1342 ± 0.00003806 6.114 5.661/6.942 6.12 ± 1.14
ea09 1342 1342/1342 1342 ± 0.0000275 3.719 3.365/5.663 4.456 ± 1.145
ea10 1342 1342/1342 1342 ± 0.00003329 5.484 5.125/6.377 5.582 ± 0.8646
ea11 1342 1342/1342 1342 ± 0 5.817 5.49/6.565 6.009 ± 0.5833
ea12 1342 1342/1342 1342 ± 0.000006756 5.67 5.309/6.513 5.66 ± 1.095
ea13 1342 1342/1342 1342 ± 0.00002335 5.838 5.619/6.361 5.811 ± 0.8625
ea14 1342 1342/1342 1342 ± 0.00002683 6.519 5.628/6.631 5.859 ± 1.179
ea15 1342 1342/1342 1342 ± 0.000002038 5.333 5.154/6.205 5.496 ± 0.9493
ea16 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea17 1342 1342/1342 1342 ± 0.00003897 6.031 5.472/6.882 5.916 ± 1.141
ea18 1342 1342/1342 1342 ± 0.0000325 5.006 4.844/5.788 5.016 ± 0.8153
ea19 1342 1342/1342 1342 ± 0.00002532 5.78 5.521/6.478 5.767 ± 0.8923
ea20 1342 1342/1342 1342 ± 0.00001867 6.006 5.726/6.883 5.966 ± 1.217
ea21 1342 1342/1342 1342 ± 0.00002675 5.53 5.348/6.235 5.527 ± 0.9333
ea22 1342 1342/1342 1342 ± 0.00003902 5.439 5.038/6.506 5.546 ± 1.024
ea23 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea25 1342 1342/1342 1342 ± 0 5.377 5.358/5.432 5.378 ± 0.1323
ea26 1342 1342/1342 1342 ± 0.00003643 5.635 5.526/6.579 5.714 ± 0.9751
ea27 1342 1342/1342 1342 ± 0.00004126 5.512 5.335/6.519 5.648 ± 1.003
ea28 1342 1342/1342 1342 ± 0.00003913 6.62 6.159/6.826 6.23 ± 1.279
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 ± 0.00002614 5.375 5.178/5.66 5.33 ± 0.4889
5 1342 1342/1342 1342 ± 0.00002769 5.446 5.266/5.598 5.359 ± 0.5515
6 1342 1342/1342 1342 ± 0.00002614 5.418 5.24/5.531 5.288 ± 0.5147
7 1342 1342/1342 1342 ± 0.00002614 5.328 5.125/5.546 5.254 ± 0.4992
8 1342 1342/1342 1342 ± 0.00002614 5.359 5.059/5.461 5.187 ± 0.5123
9 1342 1342/1342 1342 ± 0.00002816 5.556 5.415/5.796 5.427 ± 0.6193
10 1342 1342/1342 1342 ± 0.00002556 6.075 5.84/6.159 5.999 ± 0.3629
11 1342 1342/1342 1342 ± 0.00002556 6.366 6.195/6.478 6.266 ± 0.3709
12 1342 1342/1342 1342 ± 0.00002556 6.521 6.207/6.628 6.433 ± 0.3727
13 1342 1342/1342 1342 ± 0.00002556 6.784 6.484/6.897 6.678 ± 0.3621
14 1342 1342/1342 1342 ± 0.00002967 6.567 6.213/6.884 6.536 ± 0.4815
15 1342 1342/1342 1342 ± 0.00002634 6.538 6.258/6.739 6.483 ± 0.5196
16 1342 1342/1342 1342 ± 0.00006078 3.567 3.341/3.743 3.496 ± 0.4087
17 1342 1342/1342 1342 ± 0.00006101 3.644 3.494/3.83 3.663 ± 0.2692
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS2.1.sb38482214.eb38565046.59071.1506340625_split_split.ms
output_dir
 
Start time
2024-06-12 00:02:12.319
End
2024-06-12 00:50:18.904
Duration
0:48:06.586
Note, WebLog generation is not included in the time.

CASA logs for stage 8