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

Statwt Summary Plot

VLASS2.1.sb38523814.eb38632964.59098.28982543982_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 5.844 5.543/6.472 6.033 ± 0.5961
ea02 1342 1342/1342 1342 ± 0 5.973 5.45/6.702 6.127 ± 0.6889
ea04 1342 1342/1342 1342 ± 0 5.403 4.868/5.903 5.438 ± 0.6225
ea05 1342 1342/1342 1342 ± 0.00002126 5.783 4.977/6.291 5.587 ± 0.6841
ea06 1342 1342/1342 1342 ± 0 4.76 4.353/5.204 4.779 ± 0.4503
ea07 1342 1342/1342 1342 ± 0 6.172 5.572/6.534 6.19 ± 0.6355
ea08 1342 1342/1342 1342 ± 0.000008618 6.052 5.697/6.951 6.311 ± 0.7257
ea09 1342 1342/1342 1342 ± 0 5.523 5.087/6.46 5.666 ± 0.6855
ea10 1342 1342/1342 1342 ± 0 6.112 5.444/6.983 6.172 ± 0.7853
ea11 1342 1342/1342 1342 ± 0 6.129 5.344/6.626 6.068 ± 0.7185
ea12 1342 1342/1342 1342 ± 0 5.847 5.205/6.377 5.889 ± 0.6621
ea13 1342 1342/1342 1342 ± 0 5.99 5.391/6.197 5.919 ± 0.5882
ea14 1342 1342/1342 1342 ± 0 6.036 5.177/6.426 5.907 ± 0.7056
ea15 1342 1342/1342 1342 ± 0 5.55 4.698/6.053 5.488 ± 0.7658
ea16 1342 1342/1342 1342 ± 0 6.168 5.495/6.725 6.245 ± 0.7893
ea17 1342 1342/1342 1342 ± 0.00002654 6.263 5.643/7.084 6.368 ± 0.736
ea18 1342 1342/1342 1342 ± 0 5.236 4.768/5.761 5.283 ± 0.5538
ea19 1342 1342/1342 1342 ± 0 6.061 5.298/6.629 6.018 ± 0.7575
ea20 1342 1342/1342 1342 ± 0 6.333 5.707/6.904 6.254 ± 0.6778
ea21 1342 1342/1342 1342 ± 0 5.743 5.129/6.296 5.749 ± 0.6614
ea22 1342 1342/1342 1342 ± 0 5.448 5.192/6.357 5.746 ± 0.6537
ea23 1342 1342/1342 1342 ± 0 6.307 5.536/6.797 6.282 ± 0.7477
ea25 1342 1342/1342 1342 ± 0 5.858 5.363/6.477 5.946 ± 0.6605
ea26 1342 1342/1342 1342 ± 0 5.781 5.329/6.799 6.017 ± 0.7531
ea27 1342 1342/1342 1342 ± 0.00002139 5.761 5.524/6.786 6.002 ± 0.7189
ea28 1342 1342/1342 1342 ± 0.00002294 5.822 5.661/6.887 6.185 ± 0.7267
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 ± 0.00002356 5.331 5.005/5.538 5.287 ± 0.3509
3 1342 1342/1342 1342 ± 0.00002528 5.143 4.976/5.385 5.127 ± 0.3124
4 1342 1342/1342 1342 ± 0.00003342 5.262 4.878/5.442 5.198 ± 0.3735
5 1342 1342/1342 1342 ± 0.00002356 5.25 5.069/5.566 5.3 ± 0.411
6 1342 1342/1342 1342 ± 0.00002356 5.303 5.052/5.536 5.252 ± 0.3629
7 1342 1342/1342 1342 ± 0.00002356 5.383 5.175/5.529 5.292 ± 0.3345
8 1342 1342/1342 1342 ± 0.00002356 5.372 5.112/5.569 5.288 ± 0.3706
9 1342 1342/1342 1342 ± 0.00002356 5.642 5.387/5.901 5.586 ± 0.4212
10 1342 1342/1342 1342 ± 0.00002356 6.157 5.85/6.34 6.087 ± 0.387
11 1342 1342/1342 1342 ± 0.00002356 6.391 6.167/6.606 6.316 ± 0.4085
12 1342 1342/1342 1342 ± 0.00002356 6.54 6.304/6.793 6.498 ± 0.4319
13 1342 1342/1342 1342 ± 0.00002356 7.113 6.765/7.241 6.984 ± 0.4476
14 1342 1342/1342 1342 ± 0.00002356 7.286 6.891/7.481 7.159 ± 0.4917
15 1342 1342/1342 1342 ± 0.00002356 6.823 6.5/7.07 6.721 ± 0.4752
16 1342 1342/1342 1342 ± 0.00003367 5.988 5.788/6.278 5.972 ± 0.3868
17 1342 1342/1342 1342 ± 0.00003078 5.965 5.722/6.192 5.957 ± 0.3804
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS2.1.sb38523814.eb38632964.59098.28982543982_split_split.ms
output_dir
 
overwrite_modelcol
False
Start time
2025-01-07 06:59:05.444
End
2025-01-07 08:12:26.821
Duration
1:13:21.377
Note, WebLog generation is not included in the time.

CASA logs for stage 8