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

Statwt Summary Plot

VLASS2.1.sb38452360.eb38575738.59077.463367233795_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 5.262 5.21/6.014 5.435 ± 0.7162
ea02 1342 1342/1342 1342 ± 0.00003813 5.913 5.349/6.609 5.857 ± 0.9189
ea04 1342 1342/1342 1342 ± 0.00004118 5.329 4.994/5.992 5.224 ± 0.8807
ea05 1342 1342/1342 1342 ± 0.00001743 5.511 5.152/6.243 5.616 ± 0.8086
ea06 1342 1342/1342 1342 ± 0.00004222 4.878 4.688/5.331 4.763 ± 0.6979
ea07 1342 1342/1342 1342 ± 0.000036 5.816 5.346/6.181 5.663 ± 0.7849
ea08 1342 1342/1342 1342 ± 0.00003678 6.111 5.598/6.882 6.127 ± 0.9751
ea09 1342 1342/1342 1342 ± 0.00003382 5.6 5.176/6.362 5.549 ± 0.815
ea10 1342 1342/1342 1342 ± 0.00003751 5.657 5.056/6.278 5.52 ± 0.8141
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00004117 5.53 5.252/6.338 5.557 ± 0.9503
ea13 1342 1342/1342 1342 ± 0.00002451 5.836 5.664/6.365 5.893 ± 0.7878
ea14 1342 1342/1342 1342 ± 0.00002673 5.75 5.258/6.627 5.757 ± 0.9171
ea15 1342 1342/1342 1342 ± 0.00003844 5.452 5.087/6.231 5.413 ± 1.029
ea16 1342 1342/1342 1342 ± 0.00002759 5.771 5.401/6.604 5.754 ± 0.9338
ea17 1342 1342/1342 1342 ± 0.00004109 5.966 5.442/6.697 5.925 ± 0.9285
ea18 1342 1342/1342 1342 ± 0.00003959 4.904 4.629/5.45 4.923 ± 0.689
ea19 1342 1342/1342 1342 ± 0.00001051 5.734 5.482/6.508 5.866 ± 0.8302
ea20 1342 1342/1342 1342 ± 0.00004047 5.836 5.64/6.719 5.889 ± 0.9908
ea21 1342 1342/1342 1342 ± 0.00002337 5.605 5.308/6.345 5.613 ± 0.8477
ea22 1342 1342/1342 1342 ± 0.00003723 5.435 5.134/6.455 5.62 ± 0.8918
ea23 1342 1342/1342 1342 ± 0.00003217 5.805 5.426/6.558 5.807 ± 0.9353
ea25 1342 1342/1342 1342 ± 0.00003887 5.558 5.201/6.21 5.539 ± 0.8164
ea27 1342 1342/1342 1342 ± 0.0000377 5.489 5.076/6.347 5.536 ± 0.8028
ea28 1342 1342/1342 1342 ± 0.0000377 5.626 5.382/6.563 5.81 ± 0.9245
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 ± 0.0000245 5.391 5.147/5.613 5.366 ± 0.2757
5 1342 1342/1342 1342 ± 0.00002458 5.35 5.188/5.469 5.317 ± 0.361
6 1342 1342/1342 1342 ± 0.0000245 5.305 5.169/5.477 5.291 ± 0.2741
7 1342 1342/1342 1342 ± 0.0000245 5.329 5.153/5.475 5.304 ± 0.2492
8 1342 1342/1342 1342 ± 0.0000245 5.347 5.083/5.494 5.278 ± 0.2775
9 1342 1342/1342 1342 ± 0.0000245 5.605 5.455/5.798 5.566 ± 0.318
10 1342 1342/1342 1342 ± 0.0000245 6.042 5.867/6.121 5.968 ± 0.3174
11 1342 1342/1342 1342 ± 0.0000245 6.28 6.147/6.427 6.243 ± 0.3322
12 1342 1342/1342 1342 ± 0.0000245 6.451 6.326/6.608 6.413 ± 0.3475
13 1342 1342/1342 1342 ± 0.0000245 6.762 6.397/6.945 6.64 ± 0.4082
14 1342 1342/1342 1342 ± 0.0000279 6.576 6.123/6.86 6.462 ± 0.5368
15 1342 1342/1342 1342 ± 0.00002625 6.606 6.398/6.873 6.557 ± 0.4701
16 1342 1342/1342 1342 ± 0.00005346 3.709 3.508/3.965 3.729 ± 0.34
17 1342 1342/1342 1342 ± 0.00005443 3.857 3.631/4.136 3.888 ± 0.3772
vis
VLASS2.1.sb38452360.eb38575738.59077.463367233795_split_split.ms
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
Start time
2024-11-02 12:53:38.688
End
2024-11-02 13:53:02.387
Duration
0:59:23.699
Note, WebLog generation is not included in the time.

CASA logs for stage 8