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

Statwt Summary Plot

VLASS2.1.sb38478946.eb38565032.59070.1037453125_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 5.406 5.335/6.15 5.73 ± 0.5472
ea02 1342 1342/1342 1342 ± 0.00002613 5.942 5.432/6.665 6.066 ± 0.6771
ea04 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea05 1342 1342/1342 1342 ± 0 5.8 5.496/6.451 5.926 ± 0.5941
ea06 1342 1342/1342 1342 ± 0 4.933 4.722/5.353 5.041 ± 0.405
ea07 1342 1342/1342 1342 ± 0.00003508 5.825 5.399/6 5.748 ± 0.604
ea08 1342 1342/1342 1342 ± 0.00002731 6.006 5.689/7.002 6.335 ± 0.7674
ea09 1342 1342/1342 1342 ± 0.000002215 5.285 4.908/5.86 5.364 ± 0.5265
ea10 1342 1342/1342 1342 ± 0.00004147 5.655 5.148/6.432 5.747 ± 0.6571
ea11 1342 1342/1342 1342 ± 0.000009173 5.693 5.391/6.508 5.932 ± 0.7075
ea12 1342 1342/1342 1342 ± 0 5.727 5.416/6.612 5.984 ± 0.7033
ea13 1342 1342/1342 1342 ± 0 6.179 5.765/6.261 6.15 ± 0.4676
ea14 1342 1342/1342 1342 ± 0.000005248 6.5 5.951/6.842 6.338 ± 0.6385
ea15 1342 1342/1342 1342 ± 0 5.59 5.421/6.415 5.944 ± 0.6526
ea16 1342 1342/1342 1342 ± 0 5.112 4.914/5.432 5.169 ± 0.3508
ea17 1342 1342/1342 1342 ± 0.00004141 6.015 5.604/6.904 6.187 ± 0.7217
ea18 1342 1342/1342 1342 ± 0 4.987 4.78/5.776 5.222 ± 0.5524
ea19 1342 1342/1342 1342 ± 0.000001566 5.934 5.714/6.783 6.178 ± 0.6417
ea20 1342 1342/1342 1342 ± 0 6.063 5.848/6.842 6.294 ± 0.6986
ea21 1342 1342/1342 1342 ± 0 5.614 5.313/6.321 5.83 ± 0.6004
ea22 1342 1342/1342 1342 ± 0.00000542 5.647 5.22/6.247 5.799 ± 0.613
ea23 1342 1342/1342 1342 ± 0.00002475 5.69 5.455/6.565 5.938 ± 0.7602
ea25 1342 1342/1342 1342 ± 0 5.383 5.318/5.625 5.429 ± 0.1787
ea26 1342 1342/1342 1342 ± 0 5.836 5.663/6.585 6.097 ± 0.5367
ea27 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea28 1342 1342/1342 1342 ± 0.00005276 6.565 6.026/7.049 6.422 ± 0.7004
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 ± 0.00002546 5.471 5.225/5.679 5.433 ± 0.3429
3 1342 1342/1342 1342 ± 0.00002579 5.323 5.08/5.717 5.375 ± 0.3938
5 1342 1342/1342 1342 ± 0.00002546 5.686 5.517/5.878 5.656 ± 0.4048
6 1342 1342/1342 1342 ± 0.00002546 5.39 5.17/5.487 5.343 ± 0.3094
7 1342 1342/1342 1342 ± 0.00002546 5.374 5.174/5.495 5.331 ± 0.2992
8 1342 1342/1342 1342 ± 0.00002546 5.406 5.147/5.544 5.341 ± 0.3463
9 1342 1342/1342 1342 ± 0.00002546 5.642 5.379/5.843 5.557 ± 0.3841
10 1342 1342/1342 1342 ± 0.00002492 6.114 5.888/6.206 6.01 ± 0.3981
11 1342 1342/1342 1342 ± 0.00002492 6.32 5.997/6.5 6.236 ± 0.4278
12 1342 1342/1342 1342 ± 0.00002492 6.536 6.159/6.628 6.395 ± 0.4456
13 1342 1342/1342 1342 ± 0.00002492 6.958 6.612/7.244 6.845 ± 0.4828
14 1342 1342/1342 1342 ± 0.00002492 7.197 6.861/7.379 7.023 ± 0.5033
15 1342 1342/1342 1342 ± 0.00002492 6.615 6.448/6.861 6.54 ± 0.4878
16 1342 1342/1342 1342 ± 0.00005256 5.301 4.968/5.53 5.273 ± 0.402
17 1342 1342/1342 1342 ± 0.00005321 5.36 5.085/5.712 5.378 ± 0.4088
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS2.1.sb38478946.eb38565032.59070.1037453125_split_split.ms
output_dir
 
Start time
2024-12-05 09:14:45.286
End
2024-12-05 10:19:23.191
Duration
1:04:37.905
Note, WebLog generation is not included in the time.

CASA logs for stage 8