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 5.224 5.144/5.834 5.213 ± 0.8916
ea02 1342 1342/1342 1342 ± 0.00004217 5.811 5.316/6.385 5.62 ± 1.086
ea04 1342 1342/1342 1342 ± 0.00002964 5.264 4.973/5.928 5.205 ± 0.9853
ea05 1342 1342/1342 1342 ± 0.00001188 5.508 5.128/6.239 5.52 ± 0.8342
ea06 1342 1342/1342 1342 ± 0.00003454 4.904 4.683/5.352 4.775 ± 0.8044
ea07 1342 1342/1342 1342 ± 0.00004344 5.589 5.274/6.054 5.412 ± 0.9707
ea08 1342 1342/1342 1342 ± 0.00004262 5.848 5.54/6.67 5.774 ± 1.142
ea09 1342 1342/1342 1342 ± 0.000005236 5.466 5.155/6.175 5.461 ± 0.8597
ea10 1342 1342/1342 1342 ± 0.00004465 5.272 5.013/6.256 5.33 ± 0.9803
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00003886 5.458 5.225/6.466 5.542 ± 1.079
ea13 1342 1342/1342 1342 ± 0.00001427 5.96 5.513/6.378 5.833 ± 0.8631
ea14 1342 1342/1342 1342 ± 0.00001749 5.527 5.251/6.512 5.566 ± 0.9947
ea15 1342 1342/1342 1342 ± 0.00002292 5.314 5.126/6.208 5.404 ± 1.092
ea16 1342 1342/1342 1342 ± 0.00002265 5.63 5.343/6.248 5.529 ± 0.9833
ea17 1342 1342/1342 1342 ± 0.00004494 5.76 5.382/6.477 5.655 ± 1.079
ea18 1342 1342/1342 1342 ± 0.00004234 4.862 4.529/5.555 4.814 ± 0.8152
ea19 1342 1342/1342 1342 ± 0.000002878 5.709 5.45/6.473 5.748 ± 0.8651
ea20 1342 1342/1342 1342 ± 0.00004158 5.753 5.69/6.79 5.842 ± 1.146
ea21 1342 1342/1342 1342 ± 0.00001754 5.413 5.272/6.216 5.423 ± 0.8937
ea22 1342 1342/1342 1342 ± 0.00002802 5.423 5.115/6.309 5.44 ± 0.9534
ea23 1342 1342/1342 1342 ± 0.00004122 5.48 5.358/6.35 5.52 ± 1.045
ea25 1342 1342/1342 1342 ± 0.00004321 5.504 5.146/6.114 5.35 ± 0.9479
ea27 1342 1342/1342 1342 ± 0.00004477 5.311 5.042/6.229 5.313 ± 0.9709
ea28 1342 1342/1342 1342 ± 0.00004464 5.538 5.348/6.397 5.5 ± 1.044
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 ± 0.00002445 5.369 5.15/5.589 5.345 ± 0.2763
3 1342 1342/1342 1342 ± 0.00003332 5.237 5.01/5.48 5.272 ± 0.4222
5 1342 1342/1342 1342 ± 0.00002445 5.326 5.217/5.503 5.323 ± 0.3661
6 1342 1342/1342 1342 ± 0.00002445 5.282 5.141/5.415 5.258 ± 0.2831
7 1342 1342/1342 1342 ± 0.00002445 5.303 5.128/5.432 5.266 ± 0.2481
8 1342 1342/1342 1342 ± 0.00002445 5.305 5.063/5.443 5.244 ± 0.2712
9 1342 1342/1342 1342 ± 0.00002445 5.527 5.417/5.734 5.508 ± 0.3104
10 1342 1342/1342 1342 ± 0.00002445 6.026 5.759/6.093 5.948 ± 0.3211
11 1342 1342/1342 1342 ± 0.00002445 6.256 6.122/6.394 6.22 ± 0.3354
12 1342 1342/1342 1342 ± 0.00002445 6.437 6.202/6.586 6.387 ± 0.3466
13 1342 1342/1342 1342 ± 0.00002471 6.525 6.324/6.766 6.491 ± 0.3646
14 1342 1342/1342 1342 ± 0.00003855 5.918 5.594/6.361 6.01 ± 0.5296
15 1342 1342/1342 1342 ± 0.00002451 6.594 6.357/6.804 6.517 ± 0.4517
16 1342 1342/1342 1342 ± 0.00005717 3.242 3.081/3.487 3.31 ± 0.3163
17 1342 1342/1342 1342 ± 0.00006 3.424 3.279/3.6 3.468 ± 0.3816
vis
VLASS2.1.sb38452360.eb38575738.59077.463367233795_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
Start time
2024-11-02 00:47:02.280
End
2024-11-02 01:32:51.598
Duration
0:45:49.318
Note, WebLog generation is not included in the time.

CASA logs for stage 8