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

Statwt Summary Plot

VLASS2.1.sb38519843.eb38632934.59097.18672790509_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 5.847 5.391/6.111 5.819 ± 0.5015
ea02 1342 1342/1342 1342 ± 0 5.909 5.501/6.666 6.094 ± 0.6505
ea04 1342 1342/1342 1342 ± 0 5.618 5.229/6.234 5.769 ± 0.5642
ea05 1342 1342/1342 1342 ± 0 5.942 5.378/6.414 5.872 ± 0.5845
ea06 1342 1342/1342 1342 ± 0 5.076 4.839/5.4 5.131 ± 0.343
ea07 1342 1342/1342 1342 ± 0 6.2 5.517/6.361 6.096 ± 0.6061
ea08 1342 1342/1342 1342 ± 0.000002797 6.033 5.649/6.796 6.277 ± 0.6662
ea09 1342 1342/1342 1342 ± 0 5.701 5.331/6.552 5.859 ± 0.6551
ea10 1342 1342/1342 1342 ± 0 6.145 5.375/6.747 6.095 ± 0.6616
ea11 1342 1342/1342 1342 ± 0 5.962 5.271/6.456 5.957 ± 0.6758
ea12 1342 1342/1342 1342 ± 0 6.024 5.46/6.55 6.112 ± 0.6663
ea13 1342 1342/1342 1342 ± 0 6.246 5.966/6.493 6.306 ± 0.5182
ea14 1342 1342/1342 1342 ± 0 5.982 5.337/6.464 5.953 ± 0.6642
ea15 1342 1342/1342 1342 ± 0 5.823 5.212/6.347 5.905 ± 0.6789
ea16 1342 1342/1342 1342 ± 0 6.268 5.737/6.818 6.376 ± 0.71
ea17 1342 1342/1342 1342 ± 0.0000243 6.094 5.658/6.86 6.222 ± 0.6176
ea18 1342 1342/1342 1342 ± 0 5.197 4.811/5.653 5.251 ± 0.5141
ea19 1342 1342/1342 1342 ± 0 6.043 5.648/6.556 6.21 ± 0.6701
ea20 1342 1342/1342 1342 ± 0 6.407 5.802/6.994 6.351 ± 0.6603
ea21 1342 1342/1342 1342 ± 0 5.92 5.437/6.343 5.92 ± 0.5748
ea22 1342 1342/1342 1342 ± 0 5.543 5.329/6.514 5.871 ± 0.6525
ea23 1342 1342/1342 1342 ± 0 6.288 5.593/6.657 6.273 ± 0.6771
ea25 1342 1342/1342 1342 ± 0 5.694 5.332/6.25 5.831 ± 0.5741
ea26 1342 1342/1342 1342 ± 0 6.032 5.789/7.035 6.327 ± 0.6522
ea27 1342 1342/1342 1342 ± 0.00001354 5.604 5.471/6.526 5.916 ± 0.5921
ea28 1342 1342/1342 1342 ± 0.00003282 5.734 5.535/6.579 6.087 ± 0.6129
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 ± 0.00002348 5.486 5.279/5.747 5.499 ± 0.2665
4 1342 1342/1342 1342 ± 0.00002696 5.178 5/5.482 5.196 ± 0.3379
5 1342 1342/1342 1342 ± 0.00002348 5.491 5.251/5.682 5.476 ± 0.3293
6 1342 1342/1342 1342 ± 0.00002348 5.407 5.167/5.577 5.383 ± 0.2959
7 1342 1342/1342 1342 ± 0.00002348 5.435 5.269/5.605 5.434 ± 0.2742
8 1342 1342/1342 1342 ± 0.00002348 5.427 5.215/5.607 5.391 ± 0.2866
9 1342 1342/1342 1342 ± 0.00002348 5.671 5.501/5.949 5.662 ± 0.3314
10 1342 1342/1342 1342 ± 0.00002348 6.144 5.942/6.281 6.087 ± 0.3241
11 1342 1342/1342 1342 ± 0.00002348 6.375 6.2/6.494 6.299 ± 0.3312
12 1342 1342/1342 1342 ± 0.00002392 6.514 6.292/6.662 6.454 ± 0.3671
13 1342 1342/1342 1342 ± 0.00002348 6.964 6.83/7.148 6.92 ± 0.385
14 1342 1342/1342 1342 ± 0.00002348 7.209 6.954/7.412 7.121 ± 0.4254
15 1342 1342/1342 1342 ± 0.00002348 6.803 6.565/7.043 6.72 ± 0.4158
16 1342 1342/1342 1342 ± 0.00003104 6.102 5.693/6.287 6.036 ± 0.4149
17 1342 1342/1342 1342 ± 0.00003303 6.09 5.674/6.355 6.049 ± 0.3966
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38519843.eb38632934.59097.18672790509_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2025-01-28 02:55:34.009
End
2025-01-28 03:24:56.415
Duration
0:29:22.406
Note, WebLog generation is not included in the time.

CASA logs for stage 8