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 5.808 5.364/6.277 5.819 ± 0.5645
ea02 1342 1342/1342 1342 ± 0.00001506 5.922 5.478/6.64 6.059 ± 0.6572
ea04 1342 1342/1342 1342 ± 0 5.613 5.236/6.153 5.727 ± 0.5428
ea05 1342 1342/1342 1342 ± 0 6.022 5.529/6.654 6.012 ± 0.6093
ea06 1342 1342/1342 1342 ± 0 5.673 5.135/6.02 5.611 ± 0.5077
ea07 1342 1342/1342 1342 ± 0 5.351 5.221/5.532 5.369 ± 0.193
ea08 1342 1342/1342 1342 ± 0.00002345 5.997 5.674/6.782 6.231 ± 0.6797
ea09 1342 1342/1342 1342 ± 0 5.161 4.969/5.768 5.332 ± 0.4411
ea10 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea11 1342 1342/1342 1342 ± 0.000003559 5.776 5.453/6.522 6.002 ± 0.612
ea13 1342 1342/1342 1342 ± 0 6.218 5.882/6.394 6.268 ± 0.4741
ea14 1342 1342/1342 1342 ± 0 6.167 5.505/6.621 6.106 ± 0.6568
ea15 1342 1342/1342 1342 ± 0 6.009 5.479/6.49 6.075 ± 0.6833
ea16 1342 1342/1342 1342 ± 0.000001864 6.234 5.765/6.776 6.307 ± 0.6935
ea17 1342 1342/1342 1342 ± 0.00001428 5.742 5.633/5.91 5.766 ± 0.176
ea18 1342 1342/1342 1342 ± 0.0000057 5.312 4.905/5.817 5.331 ± 0.5224
ea19 1342 1342/1342 1342 ± 0 5.762 5.689/5.916 5.807 ± 0.1121
ea20 1342 1342/1342 1342 ± 0 6.438 5.857/6.955 6.36 ± 0.6435
ea21 1342 1342/1342 1342 ± 0 5.779 5.525/6.436 5.989 ± 0.5535
ea22 1342 1342/1342 1342 ± 0 5.525 5.277/6.493 5.84 ± 0.6435
ea23 1342 1342/1342 1342 ± 0.00001454 6.08 5.598/6.689 6.177 ± 0.6625
ea24 1342 1342/1342 1342 ± 0 5.984 5.168/6.397 5.774 ± 0.6079
ea25 1342 1342/1342 1342 ± 0.000006578 5.591 5.486/6.473 5.958 ± 0.6219
ea26 1342 1342/1342 1342 ± 0 6.247 5.798/7.021 6.341 ± 0.6874
ea27 1342 1342/1342 1342 ± 0.000005081 5.562 5.323/5.631 5.486 ± 0.1692
ea28 1342 1342/1342 1342 ± 0.00004034 5.779 5.536/6.578 6.024 ± 0.6503
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 ± 0.00002399 5.533 5.36/5.67 5.511 ± 0.2423
3 1342 1342/1342 1342 ± 0.00002626 5.334 5.144/5.579 5.372 ± 0.3008
4 1342 1342/1342 1342 ± 0.00002595 5.397 5.18/5.57 5.357 ± 0.3269
5 1342 1342/1342 1342 ± 0.00002399 5.532 5.325/5.739 5.52 ± 0.3111
6 1342 1342/1342 1342 ± 0.0000241 5.486 5.231/5.65 5.45 ± 0.2758
7 1342 1342/1342 1342 ± 0.00002399 5.49 5.268/5.688 5.482 ± 0.2708
8 1342 1342/1342 1342 ± 0.00002399 5.525 5.207/5.621 5.425 ± 0.2999
9 1342 1342/1342 1342 ± 0.00002401 5.748 5.535/5.98 5.706 ± 0.3299
10 1342 1342/1342 1342 ± 0.00002608 6.18 5.987/6.301 6.103 ± 0.3302
11 1342 1342/1342 1342 ± 0.00002608 6.393 6.265/6.491 6.336 ± 0.3222
12 1342 1342/1342 1342 ± 0.00002608 6.502 6.363/6.673 6.476 ± 0.3297
13 1342 1342/1342 1342 ± 0.00002608 7.042 6.603/7.159 6.906 ± 0.3891
14 1342 1342/1342 1342 ± 0.00002608 7.202 6.956/7.388 7.124 ± 0.4087
15 1342 1342/1342 1342 ± 0.00002608 6.882 6.551/7.077 6.772 ± 0.4346
16 1342 1342/1342 1342 ± 0.00003975 5.946 5.645/6.236 5.936 ± 0.386
17 1342 1342/1342 1342 ± 0.00003977 5.88 5.749/6.215 5.966 ± 0.3462
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.1.sb38483282.eb38504007.59045.97679461805_split_split.ms
output_dir
 
statwtmode
VLASS-SE
Start time
2024-04-13 03:40:58.476
End
2024-04-13 04:48:03.946
Duration
1:07:05.470
Note, WebLog generation is not included in the time.

CASA logs for stage 7