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

Statwt Summary Plot

VLASS2.1.sb38482214.eb38565046.59071.1506340625_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 5.323 5.228/5.99 5.459 ± 0.6985
ea02 1342 1342/1342 1342 ± 0.00004209 5.783 5.337/6.481 5.753 ± 0.9108
ea05 1342 1342/1342 1342 ± 0.00001698 5.465 5.105/6.44 5.741 ± 0.7277
ea06 1342 1342/1342 1342 ± 0 4.869 4.794/5.372 4.948 ± 0.5394
ea07 1342 1342/1342 1342 ± 0.00004203 5.826 5.389/6.009 5.664 ± 0.7267
ea08 1342 1342/1342 1342 ± 0.00004207 5.946 5.603/6.771 5.979 ± 0.9644
ea09 1342 1342/1342 1342 ± 0.00002149 3.825 3.368/5.765 4.446 ± 1.153
ea10 1342 1342/1342 1342 ± 0.00004203 5.372 5.121/6.415 5.598 ± 0.8105
ea11 1342 1342/1342 1342 ± 0 5.877 5.326/6.526 5.996 ± 0.632
ea12 1342 1342/1342 1342 ± 0 5.571 5.398/6.586 5.804 ± 0.8941
ea13 1342 1342/1342 1342 ± 0.00001889 5.9 5.734/6.397 5.908 ± 0.7449
ea14 1342 1342/1342 1342 ± 0.00001768 6.541 5.799/6.894 6.206 ± 0.954
ea15 1342 1342/1342 1342 ± 0 5.323 5.175/6.188 5.589 ± 0.7814
ea16 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea17 1342 1342/1342 1342 ± 0.00004215 5.84 5.644/6.543 5.916 ± 0.8755
ea18 1342 1342/1342 1342 ± 0.00002304 4.971 4.74/5.815 5.075 ± 0.7107
ea19 1342 1342/1342 1342 ± 0.0000115 5.636 5.445/6.702 5.937 ± 0.7483
ea20 1342 1342/1342 1342 ± 0.000005877 5.969 5.79/7.017 6.094 ± 0.9951
ea21 1342 1342/1342 1342 ± 0.00002457 5.478 5.367/6.356 5.747 ± 0.7192
ea22 1342 1342/1342 1342 ± 0.00004194 5.369 5.162/6.301 5.514 ± 0.8432
ea23 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea25 1342 1342/1342 1342 ± 0 5.357 5.302/5.422 5.355 ± 0.1474
ea26 1342 1342/1342 1342 ± 0.00001118 5.649 5.519/6.633 5.786 ± 0.8184
ea27 1342 1342/1342 1342 ± 0.00004207 5.515 5.139/6.449 5.632 ± 0.8031
ea28 1342 1342/1342 1342 ± 0.00005288 6.519 5.793/6.623 5.996 ± 1.057
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 ± 0.000026 5.502 5.286/5.755 5.415 ± 0.5071
3 1342 1342/1342 1342 ± 0.000026 5.334 5.178/5.468 5.227 ± 0.4914
5 1342 1342/1342 1342 ± 0.000026 5.37 5.223/5.559 5.281 ± 0.558
6 1342 1342/1342 1342 ± 0.000026 5.395 5.19/5.459 5.273 ± 0.5089
7 1342 1342/1342 1342 ± 0.000026 5.326 5.174/5.482 5.264 ± 0.49
8 1342 1342/1342 1342 ± 0.000026 5.344 5.079/5.46 5.204 ± 0.5127
9 1342 1342/1342 1342 ± 0.000026 5.6 5.418/5.831 5.485 ± 0.5785
10 1342 1342/1342 1342 ± 0.00002543 6.083 5.851/6.162 6.002 ± 0.3536
11 1342 1342/1342 1342 ± 0.00002543 6.377 6.187/6.48 6.274 ± 0.3636
12 1342 1342/1342 1342 ± 0.00002543 6.545 6.172/6.635 6.435 ± 0.366
13 1342 1342/1342 1342 ± 0.00002543 6.763 6.458/7.028 6.699 ± 0.4095
14 1342 1342/1342 1342 ± 0.00002583 6.73 6.344/6.966 6.632 ± 0.4746
15 1342 1342/1342 1342 ± 0.000026 6.706 6.565/6.948 6.649 ± 0.4742
16 1342 1342/1342 1342 ± 0.00006103 4.192 4.022/4.376 4.234 ± 0.3135
17 1342 1342/1342 1342 ± 0.00006102 4.157 4.004/4.404 4.224 ± 0.3202
overwrite_modelcol
False
vis
VLASS2.1.sb38482214.eb38565046.59071.1506340625_split_split.ms
datacolumn
residual_data
output_dir
 
statwtmode
VLASS-SE
Start time
2025-01-25 04:38:57.239
End
2025-01-25 05:02:06.802
Duration
0:23:09.563
Note, WebLog generation is not included in the time.

CASA logs for stage 8