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

Statwt Summary Plot

VLASS2.1.sb38520431.eb38554942.59063.924480127316_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 5.451 5.34/6.029 5.676 ± 0.4668
ea02 1342 1342/1342 1342 ± 0.000001306 5.857 5.379/6.368 5.884 ± 0.583
ea04 1342 1342/1342 1342 ± 0 5.706 5.222/6.09 5.707 ± 0.5016
ea05 1342 1342/1342 1342 ± 0 5.912 5.348/6.343 5.842 ± 0.5345
ea06 1342 1342/1342 1342 ± 0 3.207 3.123/3.474 3.276 ± 0.1875
ea07 1342 1342/1342 1342 ± 0 5.518 5.387/5.784 5.533 ± 0.1961
ea08 1342 1342/1342 1342 ± 0.00000961 5.923 5.583/6.669 6.083 ± 0.6351
ea09 1342 1342/1342 1342 ± 0 5.103 4.845/5.496 5.169 ± 0.4205
ea10 1342 1342/1342 1342 ± 0 5.581 5.326/6.369 5.796 ± 0.5517
ea11 1342 1342/1342 1342 ± 0 5.835 5.476/6.424 6.019 ± 0.5301
ea12 1342 1342/1342 1342 ± 0 6.067 5.54/6.426 6.065 ± 0.5129
ea13 1342 1342/1342 1342 ± 0 5.715 5.627/6.152 5.924 ± 0.4324
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea16 1342 1342/1342 1342 ± 0 5.036 4.853/5.243 5.035 ± 0.3117
ea17 1342 1342/1342 1342 ± 0.00002076 6.079 5.729/6.569 6.207 ± 0.5713
ea18 1342 1342/1342 1342 ± 0 5.307 4.985/5.706 5.36 ± 0.4088
ea19 1342 1342/1342 1342 ± 0 6.564 6.257/6.853 6.595 ± 0.3487
ea21 1342 1342/1342 1342 ± 0 5.845 5.398/6.287 5.882 ± 0.5441
ea22 1342 1342/1342 1342 ± 0 5.238 5.07/6.142 5.549 ± 0.5703
ea23 1342 1342/1342 1342 ± 0 6.041 5.496/6.437 6.048 ± 0.5931
ea25 1342 1342/1342 1342 ± 0 5.479 5.328/5.509 5.442 ± 0.1796
ea26 1342 1342/1342 1342 ± 0 5.702 5.59/6.593 6.018 ± 0.5575
ea27 1342 1342/1342 1342 ± 0.00001804 5.596 5.448/6.344 5.805 ± 0.5091
ea28 1342 1342/1342 1342 ± 0.00002926 5.713 5.459/6.482 5.925 ± 0.5953
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 ± 0.00002601 5.473 5.324/5.71 5.449 ± 0.3225
3 1342 1342/1342 1342 ± 0.00003147 5.303 5.064/5.544 5.289 ± 0.2614
5 1342 1342/1342 1342 ± 0.00002601 5.427 5.235/5.535 5.403 ± 0.2815
6 1342 1342/1342 1342 ± 0.00002601 5.392 5.104/5.488 5.322 ± 0.2624
7 1342 1342/1342 1342 ± 0.00002601 5.397 5.236/5.482 5.355 ± 0.2258
8 1342 1342/1342 1342 ± 0.00002601 5.39 5.113/5.502 5.323 ± 0.2848
9 1342 1342/1342 1342 ± 0.00002601 5.645 5.337/5.812 5.571 ± 0.3479
10 1342 1342/1342 1342 ± 0.00002601 6.029 5.806/6.136 5.804 ± 0.6271
11 1342 1342/1342 1342 ± 0.00002601 6.216 5.902/6.372 5.986 ± 0.735
12 1342 1342/1342 1342 ± 0.00002601 6.379 6.029/6.48 6.129 ± 0.7429
13 1342 1342/1342 1342 ± 0.00002601 6.753 6.428/6.942 6.486 ± 0.7924
14 1342 1342/1342 1342 ± 0.00002601 6.792 6.578/7.058 6.604 ± 0.8093
15 1342 1342/1342 1342 ± 0.00002601 6.413 6.244/6.583 6.165 ± 0.7907
16 1342 1342/1342 1342 ± 0.00003711 5.524 5.168/5.934 5.463 ± 0.7151
17 1342 1342/1342 1342 ± 0.00003273 5.592 5.261/5.969 5.486 ± 0.6767
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38520431.eb38554942.59063.924480127316_split_split.ms
Start time
2024-03-29 06:55:05.805
End
2024-03-29 07:52:15.381
Duration
0:57:09.576
Note, WebLog generation is not included in the time.

CASA logs for stage 7