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

Statwt Summary Plot

VLASS3.2.sb45489670.eb46132517.60459.18880607639_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 6.085 5.582/6.542 5.919 ± 0.8758
ea02 1342 1342/1342 1342 ± 0 6.25 5.517/6.452 5.988 ± 0.9353
ea03 1342 1342/1342 1342 ± 0 6.035 5.37/6.646 6.004 ± 0.7174
ea04 1342 1342/1342 1342 ± 0.000003065 5.498 4.963/6.011 5.465 ± 0.6287
ea05 1342 1342/1342 1342 ± 0.00001458 5.517 5.186/6.466 5.635 ± 0.8609
ea06 1342 1342/1342 1342 ± 0 5.82 4.968/5.986 5.506 ± 0.7747
ea07 1342 1342/1342 1342 ± 0 5.987 5.069/6.151 5.718 ± 0.848
ea08 1342 1342/1342 1342 ± 0 6.147 5.366/6.526 5.941 ± 0.8011
ea09 1342 1342/1342 1342 ± 0.000002503 5.578 4.986/6.322 5.655 ± 0.744
ea10 1342 1342/1342 1342 ± 0 5.376 5.111/6.078 5.562 ± 0.5929
ea11 1342 1342/1342 1342 ± 0.00003185 5.436 5.135/6.322 5.525 ± 0.894
ea12 1342 1342/1342 1342 ± 0 5.351 5.258/6.258 5.571 ± 0.7027
ea14 1342 1342/1342 1342 ± 0.00002321 5.712 5.397/6.453 5.836 ± 0.7146
ea15 1342 1342/1342 1342 ± 0.00002463 6.103 5.509/6.669 5.968 ± 1.088
ea16 1342 1342/1342 1342 ± 0 6.104 5.533/6.576 6.088 ± 0.7171
ea17 1342 1342/1342 1342 ± 0 6.1 5.593/6.92 6.176 ± 0.6924
ea18 1342 1342/1342 1342 ± 0 6.441 5.748/7.103 6.283 ± 0.8477
ea19 1342 1342/1342 1342 ± 0 5.794 5.321/6.607 5.802 ± 0.8065
ea20 1342 1342/1342 1342 ± 0 6.521 5.756/7.004 6.262 ± 0.8704
ea22 1342 1342/1342 1342 ± 0 5.689 5.114/6.135 5.537 ± 0.6904
ea23 1342 1342/1342 1342 ± 0.000002503 5.6 5.398/6.377 5.894 ± 0.7176
ea24 1342 1342/1342 1342 ± 0 6.035 4.801/6.346 5.583 ± 0.9326
ea25 1342 1342/1342 1342 ± 0 6.436 5.55/6.97 6.254 ± 0.9731
ea27 1342 1342/1342 1342 ± 0 5.715 5.182/6.439 5.707 ± 0.8104
ea28 1342 1342/1342 1342 ± 0 6.41 5.71/7.022 6.26 ± 0.8486
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 ± 0.00002392 5.385 5.248/5.626 5.404 ± 0.3599
3 1342 1342/1342 1342 ± 0.00002998 3.626 3.436/4.285 3.767 ± 0.508
4 1342 1342/1342 1342 ± 0.00002822 4.659 4.507/4.832 4.642 ± 0.3161
5 1342 1342/1342 1342 ± 0.00002392 5.366 5.148/5.622 5.345 ± 0.3368
6 1342 1342/1342 1342 ± 0.00002392 5.206 4.979/5.487 5.2 ± 0.2851
7 1342 1342/1342 1342 ± 0.00002392 5.378 5.156/5.534 5.348 ± 0.2541
8 1342 1342/1342 1342 ± 0.00002392 5.346 5.112/5.559 5.321 ± 0.315
9 1342 1342/1342 1342 ± 0.00002392 5.624 5.415/5.831 5.623 ± 0.2942
10 1342 1342/1342 1342 ± 0.00002392 6.107 5.992/6.253 6.102 ± 0.25
11 1342 1342/1342 1342 ± 0.00002392 6.336 6.123/6.459 6.327 ± 0.2766
12 1342 1342/1342 1342 ± 0.00002392 6.466 6.276/6.652 6.497 ± 0.3117
13 1342 1342/1342 1342 ± 0.00002392 6.959 6.764/7.147 6.979 ± 0.351
14 1342 1342/1342 1342 ± 0.00002392 7.091 6.824/7.416 7.101 ± 0.3926
15 1342 1342/1342 1342 ± 0.00002392 6.832 6.452/7.09 6.776 ± 0.3385
16 1342 1342/1342 1342 ± 0.00003519 6.087 5.65/6.364 6.044 ± 0.465
17 1342 1342/1342 1342 ± 0.00003307 6.002 5.657/6.261 6.001 ± 0.4149
vis
VLASS3.2.sb45489670.eb46132517.60459.18880607639_split_split.ms
datacolumn
residual_data
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-07-31 01:33:07.929
End
2025-07-31 02:18:40.779
Duration
0:45:32.850
Note, WebLog generation is not included in the time.

CASA logs for stage 8