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

Statwt Summary Plot

VLASS2.1.sb38561374.eb38565040.59070.62333981482_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 5.013 4.96/5.734 5.279 ± 0.4949
ea02 1342 1342/1342 1342 ± 0.00004272 5.643 5.165/6.42 5.772 ± 0.7213
ea05 1342 1342/1342 1342 ± 0.00002191 5.434 5.163/6.327 5.673 ± 0.6817
ea06 1342 1342/1342 1342 ± 0 4.895 4.715/5.522 5.102 ± 0.5172
ea07 1342 1342/1342 1342 ± 0.00002496 5.533 5.044/5.84 5.507 ± 0.5748
ea08 1342 1342/1342 1342 ± 0.0000415 5.572 5.336/6.632 5.919 ± 0.7512
ea09 1342 1342/1342 1342 ± 0.00003664 4.82 3.409/6.432 4.883 ± 1.394
ea10 1342 1342/1342 1342 ± 0.0000427 5.32 4.954/6.336 5.601 ± 0.6682
ea11 1342 1342/1342 1342 ± 0.0000127 5.487 4.927/6.06 5.482 ± 0.6724
ea12 1342 1342/1342 1342 ± 0 5.386 5.105/6.356 5.621 ± 0.7097
ea13 1342 1342/1342 1342 ± 0.00002701 5.689 5.509/6.325 5.953 ± 0.6063
ea14 1342 1342/1342 1342 ± 0 6.423 5.865/6.727 6.259 ± 0.6201
ea15 1342 1342/1342 1342 ± 0 5.446 5.176/6.293 5.746 ± 0.689
ea16 1342 1342/1342 1342 ± 0 5.102 4.806/5.755 5.247 ± 0.5385
ea17 1342 1342/1342 1342 ± 0.00004272 5.722 5.363/6.73 5.916 ± 0.7204
ea18 1342 1342/1342 1342 ± 0.000001853 4.787 4.461/5.515 4.93 ± 0.5474
ea19 1342 1342/1342 1342 ± 0 5.569 5.335/6.596 5.883 ± 0.6928
ea20 1342 1342/1342 1342 ± 0 5.642 5.287/6.311 5.723 ± 0.7202
ea21 1342 1342/1342 1342 ± 0 5.344 5.149/6.239 5.64 ± 0.6408
ea22 1342 1342/1342 1342 ± 0.00004147 5.297 4.979/6.463 5.67 ± 0.7517
ea23 1342 1342/1342 1342 ± 0.000007709 5.395 5.183/6.445 5.808 ± 0.7425
ea25 1342 1342/1342 1342 ± 0 5.021 4.901/5.123 5.012 ± 0.1712
ea26 1342 1342/1342 1342 ± 0.00002262 5.456 5.109/6.519 5.709 ± 0.7233
ea27 1342 1342/1342 1342 ± 0.00004272 5.364 4.99/6.307 5.594 ± 0.6552
ea28 1342 1342/1342 1342 ± 0.00005286 6.074 5.557/6.357 5.856 ± 0.625
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 ± 0.00002494 5.348 5.041/5.463 5.198 ± 0.4518
4 1342 1342/1342 1342 ± 0.00004151 4.88 4.787/4.971 4.88 ± 0.1113
5 1342 1342/1342 1342 ± 0.00002494 5.123 4.939/5.261 5.043 ± 0.4529
6 1342 1342/1342 1342 ± 0.00002494 5.138 4.885/5.249 5.018 ± 0.4337
7 1342 1342/1342 1342 ± 0.00002494 5.113 4.946/5.33 5.042 ± 0.4097
8 1342 1342/1342 1342 ± 0.00002494 5.159 4.94/5.341 5.044 ± 0.4386
9 1342 1342/1342 1342 ± 0.00002494 5.491 5.295/5.622 5.366 ± 0.4974
10 1342 1342/1342 1342 ± 0.00002443 5.937 5.71/6.042 5.869 ± 0.2934
11 1342 1342/1342 1342 ± 0.00002443 6.231 6.02/6.304 6.114 ± 0.3275
12 1342 1342/1342 1342 ± 0.00002443 6.349 6.121/6.477 6.269 ± 0.3288
13 1342 1342/1342 1342 ± 0.00002443 6.705 6.438/6.826 6.601 ± 0.3421
14 1342 1342/1342 1342 ± 0.00002443 6.745 6.528/7.023 6.7 ± 0.3736
15 1342 1342/1342 1342 ± 0.00002443 6.389 6.237/6.728 6.383 ± 0.4116
16 1342 1342/1342 1342 ± 0.00005986 4.869 4.716/5.109 4.879 ± 0.3135
17 1342 1342/1342 1342 ± 0.0000601 4.828 4.688/5.003 4.839 ± 0.2929
vis
VLASS2.1.sb38561374.eb38565040.59070.62333981482_split_split.ms
output_dir
 
overwrite_modelcol
False
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2024-04-19 12:52:35.179
End
2024-04-19 13:38:43.585
Duration
0:46:08.406
Note, WebLog generation is not included in the time.

CASA logs for stage 7