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 5.57 5.326/6.012 5.742 ± 0.5432
ea02 1342 1342/1342 1342 ± 0 5.81 5.418/6.499 6.018 ± 0.6646
ea04 1342 1342/1342 1342 ± 0 5.446 5.08/6.1 5.644 ± 0.5872
ea05 1342 1342/1342 1342 ± 0 5.72 5.27/6.203 5.783 ± 0.6078
ea06 1342 1342/1342 1342 ± 0 4.748 4.572/5.267 4.9 ± 0.4025
ea07 1342 1342/1342 1342 ± 0 6.012 5.497/6.301 6.05 ± 0.6029
ea08 1342 1342/1342 1342 ± 0.000001511 5.866 5.55/6.667 6.136 ± 0.6972
ea09 1342 1342/1342 1342 ± 0 5.538 5.243/6.283 5.733 ± 0.6677
ea10 1342 1342/1342 1342 ± 0 6.016 5.376/6.654 6.025 ± 0.6932
ea11 1342 1342/1342 1342 ± 0 5.902 5.211/6.394 5.883 ± 0.6626
ea12 1342 1342/1342 1342 ± 0 5.741 5.372/6.429 5.964 ± 0.648
ea13 1342 1342/1342 1342 ± 0 5.925 5.709/6.363 6.108 ± 0.5418
ea14 1342 1342/1342 1342 ± 0 5.798 5.233/6.372 5.866 ± 0.673
ea15 1342 1342/1342 1342 ± 0 5.609 5.118/6.236 5.752 ± 0.7041
ea16 1342 1342/1342 1342 ± 0 6.229 5.699/6.794 6.314 ± 0.7536
ea17 1342 1342/1342 1342 ± 0.00001668 6.077 5.595/6.87 6.213 ± 0.6626
ea18 1342 1342/1342 1342 ± 0 5.049 4.753/5.588 5.197 ± 0.5286
ea19 1342 1342/1342 1342 ± 0 5.763 5.532/6.734 6.157 ± 0.6953
ea20 1342 1342/1342 1342 ± 0 6.125 5.685/6.751 6.251 ± 0.6659
ea21 1342 1342/1342 1342 ± 0 5.725 5.373/6.313 5.869 ± 0.5994
ea22 1342 1342/1342 1342 ± 0 5.501 5.206/6.376 5.755 ± 0.662
ea23 1342 1342/1342 1342 ± 0 6.259 5.515/6.672 6.192 ± 0.7037
ea25 1342 1342/1342 1342 ± 0 5.657 5.291/6.181 5.782 ± 0.5988
ea26 1342 1342/1342 1342 ± 0 5.823 5.59/6.659 6.112 ± 0.7124
ea27 1342 1342/1342 1342 ± 0.00002407 5.64 5.346/6.499 5.876 ± 0.6204
ea28 1342 1342/1342 1342 ± 0.00002243 5.65 5.441/6.475 5.918 ± 0.6867
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 ± 0.0000235 5.385 5.147/5.524 5.342 ± 0.2633
3 1342 1342/1342 1342 ± 0.00002492 5.21 5.034/5.438 5.191 ± 0.281
4 1342 1342/1342 1342 ± 0.00002395 5.259 4.945/5.38 5.153 ± 0.2823
5 1342 1342/1342 1342 ± 0.0000235 5.406 5.139/5.575 5.37 ± 0.323
6 1342 1342/1342 1342 ± 0.0000235 5.409 5.182/5.586 5.374 ± 0.3044
7 1342 1342/1342 1342 ± 0.0000235 5.4 5.225/5.565 5.371 ± 0.281
8 1342 1342/1342 1342 ± 0.0000235 5.411 5.198/5.515 5.329 ± 0.3038
9 1342 1342/1342 1342 ± 0.0000235 5.657 5.456/5.92 5.626 ± 0.3588
10 1342 1342/1342 1342 ± 0.00002374 6.087 5.925/6.265 6.051 ± 0.3252
11 1342 1342/1342 1342 ± 0.00002374 6.328 6.146/6.474 6.268 ± 0.3402
12 1342 1342/1342 1342 ± 0.0000235 6.453 6.344/6.675 6.444 ± 0.3686
13 1342 1342/1342 1342 ± 0.0000235 6.95 6.842/7.125 6.912 ± 0.3967
14 1342 1342/1342 1342 ± 0.0000235 7.2 6.964/7.395 7.104 ± 0.4393
15 1342 1342/1342 1342 ± 0.0000235 6.789 6.546/6.926 6.676 ± 0.4273
16 1342 1342/1342 1342 ± 0.00003088 5.993 5.678/6.296 5.961 ± 0.4088
17 1342 1342/1342 1342 ± 0.00003032 6.034 5.721/6.245 5.985 ± 0.3823
output_dir
 
statwtmode
VLASS-SE
vis
VLASS2.1.sb38523814.eb38632964.59098.28982543982_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-01-07 05:40:46.753
End
2025-01-07 06:51:47.399
Duration
1:11:00.646
Note, WebLog generation is not included in the time.

CASA logs for stage 8