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

Statwt Summary Plot

VLASS2.1.sb38487128.eb38624732.59090.114586261574_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 5.369 5.299/6.025 5.428 ± 0.7636
ea02 1342 1342/1342 1342 ± 0.00004057 5.805 5.198/6.606 5.712 ± 0.9949
ea04 1342 1342/1342 1342 ± 0 5.266 5.097/6.059 5.418 ± 0.7407
ea05 1342 1342/1342 1342 ± 0.0000186 5.65 5.155/6.486 5.697 ± 0.7757
ea06 1342 1342/1342 1342 ± 0 5.198 4.703/5.3 4.853 ± 0.7317
ea07 1342 1342/1342 1342 ± 0.0000415 5.862 5.45/6.293 5.745 ± 0.8471
ea08 1342 1342/1342 1342 ± 0.0000415 5.969 5.515/6.72 5.871 ± 1.006
ea09 1342 1342/1342 1342 ± 0.000002274 5.41 5.244/6.319 5.565 ± 0.7696
ea10 1342 1342/1342 1342 ± 0.00004229 5.537 5.208/6.507 5.66 ± 0.8914
ea11 1342 1342/1342 1342 ± 0.00003402 5.461 5.168/6.368 5.576 ± 0.9477
ea12 1342 1342/1342 1342 ± 0.000001137 5.588 5.36/6.54 5.744 ± 0.9317
ea13 1342 1342/1342 1342 ± 0.000007031 5.931 5.78/6.402 5.938 ± 0.7461
ea14 1342 1342/1342 1342 ± 0.00001063 5.515 5.316/6.548 5.731 ± 0.8203
ea15 1342 1342/1342 1342 ± 0 5.191 5.064/6.171 5.483 ± 0.8316
ea16 1342 1342/1342 1342 ± 0.00002932 5.997 5.606/6.85 6.015 ± 0.9525
ea17 1342 1342/1342 1342 ± 0.00004222 5.767 5.533/6.858 5.838 ± 0.9777
ea18 1342 1342/1342 1342 ± 0.00002578 4.914 4.694/5.681 4.973 ± 0.7183
ea19 1342 1342/1342 1342 ± 0.00001192 5.876 5.57/6.776 5.964 ± 0.8467
ea20 1342 1342/1342 1342 ± 0.000006425 5.834 5.722/6.849 5.952 ± 1.002
ea21 1342 1342/1342 1342 ± 0.00002473 5.603 5.399/6.335 5.654 ± 0.8048
ea22 1342 1342/1342 1342 ± 0.00002876 5.444 5.116/6.4 5.517 ± 0.9016
ea23 1342 1342/1342 1342 ± 0.0000415 5.676 5.569/6.635 5.861 ± 0.9457
ea25 1342 1342/1342 1342 ± 0.0000414 5.314 5.057/6.235 5.457 ± 0.8705
ea26 1342 1342/1342 1342 ± 0.000008261 5.813 5.609/6.877 5.986 ± 0.8379
ea27 1342 1342/1342 1342 ± 0.00004686 5.391 5.094/6.326 5.494 ± 0.8449
ea28 1342 1342/1342 1342 ± 0.0000455 5.649 5.409/6.442 5.668 ± 0.9401
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 ± 0.00002396 5.496 5.251/5.781 5.508 ± 0.2748
3 1342 1342/1342 1342 ± 0.00002406 5.402 5.19/5.682 5.417 ± 0.3288
5 1342 1342/1342 1342 ± 0.00002419 5.507 5.31/5.608 5.479 ± 0.285
6 1342 1342/1342 1342 ± 0.00002396 5.402 5.247/5.54 5.377 ± 0.2687
7 1342 1342/1342 1342 ± 0.00002396 5.403 5.223/5.57 5.406 ± 0.2431
8 1342 1342/1342 1342 ± 0.00002396 5.398 5.15/5.517 5.36 ± 0.2446
9 1342 1342/1342 1342 ± 0.00002396 5.737 5.484/5.882 5.652 ± 0.2976
10 1342 1342/1342 1342 ± 0.00002351 6.037 5.877/6.229 5.99 ± 0.3387
11 1342 1342/1342 1342 ± 0.00002351 6.312 6.196/6.466 6.262 ± 0.3401
12 1342 1342/1342 1342 ± 0.00002351 6.514 6.3/6.64 6.442 ± 0.3678
13 1342 1342/1342 1342 ± 0.0000238 6.742 6.599/6.975 6.738 ± 0.3809
14 1342 1342/1342 1342 ± 0.00003486 6.723 6.437/6.94 6.654 ± 0.466
15 1342 1342/1342 1342 ± 0.00002367 6.767 6.53/6.983 6.683 ± 0.4882
16 1342 1342/1342 1342 ± 0.000061 3.864 3.686/4.098 3.895 ± 0.2541
17 1342 1342/1342 1342 ± 0.00006073 3.979 3.792/4.184 4 ± 0.2748
output_dir
 
vis
VLASS2.1.sb38487128.eb38624732.59090.114586261574_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
Start time
2024-04-17 07:28:28.230
End
2024-04-17 08:30:17.715
Duration
1:01:49.484
Note, WebLog generation is not included in the time.

CASA logs for stage 7