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

Statwt Summary Plot

VLASS2.1.sb38450628.eb38515240.59049.50130047454_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 5.412 5.193/6.006 5.407 ± 0.843
ea02 1342 1342/1342 1342 ± 0.00004251 5.673 5.421/6.511 5.65 ± 1.088
ea04 1342 1342/1342 1342 ± 0.00003762 5.26 5.083/6.071 5.319 ± 0.9667
ea05 1342 1342/1342 1342 ± 0.00001202 5.489 5.085/6.144 5.462 ± 0.7877
ea06 1342 1342/1342 1342 ± 0.00004089 5.217 4.992/6.037 5.242 ± 0.9156
ea07 1342 1342/1342 1342 ± 0.00003948 5.628 5.242/6.114 5.439 ± 0.9539
ea09 1342 1342/1342 1342 ± 0.00002188 5.382 5.045/5.955 5.308 ± 0.7802
ea10 1342 1342/1342 1342 ± 0.00004192 4.993 4.793/5.789 5.078 ± 0.7808
ea11 1342 1342/1342 1342 ± 0.0000374 5.805 5.364/6.543 5.725 ± 0.9377
ea12 1342 1342/1342 1342 ± 0.00004191 5.761 5.461/6.758 5.784 ± 1.147
ea13 1342 1342/1342 1342 ± 0.00001354 5.736 5.58/6.274 5.781 ± 0.7737
ea14 1342 1342/1342 1342 ± 0.00001624 5.624 5.265/6.437 5.59 ± 0.9161
ea15 1342 1342/1342 1342 ± 0.00002575 5.597 5.408/6.554 5.649 ± 1.181
ea16 1342 1342/1342 1342 ± 0.000006512 5.862 5.548/6.406 5.807 ± 0.891
ea17 1342 1342/1342 1342 ± 0.00004264 5.819 5.426/6.502 5.785 ± 0.9671
ea18 1342 1342/1342 1342 ± 0.00004053 5.043 4.853/5.672 5.055 ± 0.7347
ea19 1342 1342/1342 1342 ± 0.000001821 5.725 5.422/6.379 5.713 ± 0.8234
ea20 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea21 1342 1342/1342 1342 ± 0.00001927 5.494 5.301/6.207 5.446 ± 0.856
ea22 1342 1342/1342 1342 ± 0.00003364 5.44 5.183/6.332 5.461 ± 0.9987
ea23 1342 1342/1342 1342 ± 0.00003175 5.616 5.43/6.406 5.657 ± 0.9635
ea24 1342 1342/1342 1342 ± 0.000002929 5.086 4.822/6.019 5.244 ± 0.7333
ea25 1342 1342/1342 1342 ± 0.0000436 5.436 5.229/6.273 5.46 ± 0.953
ea26 1342 1342/1342 1342 ± 0.00001745 5.7 5.532/6.5 5.725 ± 0.9356
ea27 1342 1342/1342 1342 ± 0.000043 5.544 5.236/6.524 5.591 ± 0.9706
ea28 1342 1342/1342 1342 ± 0.00004149 5.722 5.472/6.567 5.718 ± 0.9524
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 ± 0.00002392 5.48 5.259/5.659 5.429 ± 0.2887
3 1342 1342/1342 1342 ± 0.00003926 5.499 5.182/5.861 5.512 ± 0.4562
5 1342 1342/1342 1342 ± 0.00002441 5.173 4.996/5.302 5.175 ± 0.2355
6 1342 1342/1342 1342 ± 0.00002392 5.365 5.105/5.502 5.308 ± 0.2543
7 1342 1342/1342 1342 ± 0.00002392 5.423 5.216/5.519 5.34 ± 0.2371
8 1342 1342/1342 1342 ± 0.00002392 5.361 5.078/5.463 5.284 ± 0.274
9 1342 1342/1342 1342 ± 0.00002392 5.616 5.252/5.751 5.55 ± 0.2771
10 1342 1342/1342 1342 ± 0.00002392 6.101 5.891/6.178 5.998 ± 0.2568
11 1342 1342/1342 1342 ± 0.00002392 6.329 6.077/6.514 6.286 ± 0.2547
12 1342 1342/1342 1342 ± 0.00002392 6.471 6.251/6.679 6.457 ± 0.2841
13 1342 1342/1342 1342 ± 0.00002414 6.519 6.287/6.711 6.505 ± 0.358
14 1342 1342/1342 1342 ± 0.00003935 5.983 5.681/6.334 6.04 ± 0.5316
15 1342 1342/1342 1342 ± 0.00002405 6.577 6.13/6.771 6.451 ± 0.3904
16 1342 1342/1342 1342 ± 0.00005848 3.337 3.197/3.524 3.382 ± 0.2496
17 1342 1342/1342 1342 ± 0.00006079 3.488 3.317/3.696 3.51 ± 0.278
vis
VLASS2.1.sb38450628.eb38515240.59049.50130047454_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
statwtmode
VLASS-SE
Start time
2024-11-01 15:02:37.317
End
2024-11-01 15:51:14.731
Duration
0:48:37.414
Note, WebLog generation is not included in the time.

CASA logs for stage 8