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

Statwt Summary Plot

VLASS2.1.sb38642060.eb38643748.59104.02058106482_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 5.625 5.333/6.088 5.747 ± 0.5586
ea02 1342 1342/1342 1342 ± 0 5.93 5.507/6.678 6.082 ± 0.6211
ea04 1342 1342/1342 1342 ± 0 5.324 4.967/5.889 5.475 ± 0.5668
ea05 1342 1342/1342 1342 ± 0 5.635 5.315/6.235 5.784 ± 0.6221
ea06 1342 1342/1342 1342 ± 0 5.212 4.835/5.529 5.216 ± 0.4158
ea07 1342 1342/1342 1342 ± 0 5.812 5.451/6.244 5.954 ± 0.5633
ea08 1342 1342/1342 1342 ± 0 5.875 5.683/6.821 6.229 ± 0.7032
ea09 1342 1342/1342 1342 ± 0 5.815 5.263/6.385 5.869 ± 0.6544
ea10 1342 1342/1342 1342 ± 0.00002396 5.793 5.376/6.726 6 ± 0.7004
ea11 1342 1342/1342 1342 ± 0 5.922 5.314/6.535 5.992 ± 0.7063
ea12 1342 1342/1342 1342 ± 0 5.339 5.305/5.632 5.489 ± 0.2692
ea13 1342 1342/1342 1342 ± 0 6.107 5.788/6.41 6.18 ± 0.5017
ea14 1342 1342/1342 1342 ± 0 5.821 5.234/6.374 5.781 ± 0.6781
ea15 1342 1342/1342 1342 ± 0 5.732 5.083/6.17 5.748 ± 0.6893
ea16 1342 1342/1342 1342 ± 0 6.155 5.585/6.69 6.119 ± 0.7065
ea17 1342 1342/1342 1342 ± 0.000004497 6.042 5.666/6.551 6.174 ± 0.6398
ea18 1342 1342/1342 1342 ± 0 5.164 4.776/5.638 5.167 ± 0.5191
ea19 1342 1342/1342 1342 ± 0 6.166 5.491/6.708 6.105 ± 0.6573
ea20 1342 1342/1342 1342 ± 0 6.035 5.717/6.698 6.2 ± 0.654
ea21 1342 1342/1342 1342 ± 0 5.607 5.305/6.397 5.818 ± 0.5991
ea22 1342 1342/1342 1342 ± 0 5.606 5.278/6.29 5.8 ± 0.622
ea23 1342 1342/1342 1342 ± 0 5.848 5.468/6.475 6.016 ± 0.7061
ea25 1342 1342/1342 1342 ± 0 5.752 5.509/6.284 5.913 ± 0.6029
ea26 1342 1342/1342 1342 ± 0 6.216 5.737/7.022 6.288 ± 0.6693
ea27 1342 1342/1342 1342 ± 0.00004038 5.624 5.363/6.45 5.812 ± 0.6092
ea28 1342 1342/1342 1342 ± 0 5.747 5.497/6.581 5.983 ± 0.6749
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 ± 0.0000235 5.515 5.244/5.715 5.47 ± 0.2667
3 1342 1342/1342 1342 ± 0.00002376 5.253 4.994/5.383 5.2 ± 0.2614
4 1342 1342/1342 1342 ± 0.00002686 5.229 5.053/5.444 5.222 ± 0.3339
5 1342 1342/1342 1342 ± 0.0000235 5.304 5.06/5.49 5.289 ± 0.3347
6 1342 1342/1342 1342 ± 0.00002394 5.415 5.125/5.513 5.35 ± 0.2971
7 1342 1342/1342 1342 ± 0.0000235 5.401 5.252/5.501 5.38 ± 0.2619
8 1342 1342/1342 1342 ± 0.0000235 5.426 5.193/5.552 5.359 ± 0.2931
9 1342 1342/1342 1342 ± 0.0000235 5.737 5.484/5.926 5.654 ± 0.3287
10 1342 1342/1342 1342 ± 0.0000235 6.153 5.945/6.297 6.082 ± 0.3321
11 1342 1342/1342 1342 ± 0.00002394 6.393 6.185/6.503 6.308 ± 0.3398
12 1342 1342/1342 1342 ± 0.00002442 6.565 6.369/6.709 6.483 ± 0.3649
13 1342 1342/1342 1342 ± 0.00002394 6.958 6.808/7.217 6.929 ± 0.3669
14 1342 1342/1342 1342 ± 0.00002394 7.169 6.917/7.321 7.082 ± 0.4049
15 1342 1342/1342 1342 ± 0.00002394 6.635 6.491/6.875 6.608 ± 0.3704
16 1342 1342/1342 1342 ± 0.00003369 5.845 5.739/6.036 5.883 ± 0.2576
17 1342 1342/1342 1342 ± 0.00003638 5.896 5.798/6.148 5.917 ± 0.2642
output_dir
 
vis
VLASS2.1.sb38642060.eb38643748.59104.02058106482_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2024-05-01 07:39:06.894
End
2024-05-01 08:35:08.241
Duration
0:56:01.347
Note, WebLog generation is not included in the time.

CASA logs for stage 7