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 5.504 5.323/5.939 5.669 ± 0.5309
ea02 1342 1342/1342 1342 ± 0.00001546 5.728 5.428/6.392 5.922 ± 0.635
ea04 1342 1342/1342 1342 ± 0 5.512 5.211/6.001 5.62 ± 0.4843
ea05 1342 1342/1342 1342 ± 0 5.784 5.462/6.289 5.873 ± 0.5712
ea06 1342 1342/1342 1342 ± 0 5.463 5.12/5.905 5.532 ± 0.4604
ea07 1342 1342/1342 1342 ± 0 5.198 5.1/5.478 5.293 ± 0.2427
ea08 1342 1342/1342 1342 ± 0.00002928 5.851 5.592/6.678 6.101 ± 0.6597
ea09 1342 1342/1342 1342 ± 0 5.128 4.948/5.649 5.307 ± 0.4359
ea10 1342 1342/1342 1342 ± 0.00003405 5.158 4.956/5.884 5.359 ± 0.5229
ea11 1342 1342/1342 1342 ± 0.000006553 5.703 5.39/6.395 5.883 ± 0.5916
ea13 1342 1342/1342 1342 ± 0 6.022 5.882/6.278 6.162 ± 0.4265
ea14 1342 1342/1342 1342 ± 0 5.553 5.319/6.202 5.739 ± 0.5228
ea15 1342 1342/1342 1342 ± 0 5.785 5.458/6.363 5.964 ± 0.6167
ea16 1342 1342/1342 1342 ± 0 5.963 5.613/6.398 6.115 ± 0.6305
ea17 1342 1342/1342 1342 ± 0.00001555 5.733 5.603/5.888 5.695 ± 0.2375
ea18 1342 1342/1342 1342 ± 0.000006176 5.044 4.829/5.529 5.191 ± 0.4976
ea19 1342 1342/1342 1342 ± 0 5.702 5.642/5.906 5.753 ± 0.1392
ea20 1342 1342/1342 1342 ± 0 6.023 5.747/6.684 6.197 ± 0.5992
ea21 1342 1342/1342 1342 ± 0 5.334 5.202/5.838 5.511 ± 0.3967
ea22 1342 1342/1342 1342 ± 0.000001169 5.472 5.309/6.269 5.753 ± 0.6132
ea23 1342 1342/1342 1342 ± 0.000005377 5.665 5.577/6.384 6.012 ± 0.6169
ea24 1342 1342/1342 1342 ± 0 5.616 5.096/6.191 5.652 ± 0.5804
ea25 1342 1342/1342 1342 ± 0.00001163 5.557 5.352/6.214 5.759 ± 0.6002
ea26 1342 1342/1342 1342 ± 0 5.977 5.816/6.73 6.259 ± 0.6438
ea27 1342 1342/1342 1342 ± 0.000009746 5.529 5.242/5.57 5.422 ± 0.2127
ea28 1342 1342/1342 1342 ± 0.00004041 5.667 5.489/6.435 5.906 ± 0.6212
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 ± 0.00002374 5.525 5.275/5.702 5.499 ± 0.2795
3 1342 1342/1342 1342 ± 0.00002805 5.101 4.906/5.318 5.142 ± 0.3535
4 1342 1342/1342 1342 ± 0.00002399 5.468 5.231/5.603 5.411 ± 0.3157
5 1342 1342/1342 1342 ± 0.00002374 5.454 5.242/5.69 5.443 ± 0.3089
6 1342 1342/1342 1342 ± 0.00002374 5.436 5.118/5.584 5.368 ± 0.284
7 1342 1342/1342 1342 ± 0.00002374 5.423 5.128/5.595 5.397 ± 0.2692
8 1342 1342/1342 1342 ± 0.00002374 5.375 5.07/5.544 5.336 ± 0.2967
9 1342 1342/1342 1342 ± 0.00002375 5.661 5.358/5.903 5.604 ± 0.326
10 1342 1342/1342 1342 ± 0.00002576 6.004 5.812/6.198 5.961 ± 0.3276
11 1342 1342/1342 1342 ± 0.00002576 6.214 5.903/6.401 6.187 ± 0.3193
12 1342 1342/1342 1342 ± 0.00002576 6.333 6.007/6.523 6.317 ± 0.3296
13 1342 1342/1342 1342 ± 0.00002576 6.829 6.296/7.016 6.709 ± 0.3847
14 1342 1342/1342 1342 ± 0.00002576 6.922 6.596/7.176 6.874 ± 0.4144
15 1342 1342/1342 1342 ± 0.00002576 6.556 6.11/6.85 6.507 ± 0.4181
16 1342 1342/1342 1342 ± 0.00004381 5.607 5.37/5.876 5.646 ± 0.3694
17 1342 1342/1342 1342 ± 0.00004018 5.629 5.472/5.99 5.687 ± 0.3627
statwtmode
VLASS-SE
datacolumn
residual_data
vis
VLASS2.1.sb38483282.eb38504007.59045.97679461805_split_split.ms
overwrite_modelcol
False
output_dir
 
Start time
2024-04-13 01:36:48.240
End
2024-04-13 02:32:22.550
Duration
0:55:34.310
Note, WebLog generation is not included in the time.

CASA logs for stage 7