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

Statwt Summary Plot

VLASS2.1.sb38521729.eb38627577.59093.001901145835_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 5.572 5.287/6.019 5.695 ± 0.5251
ea02 1342 1342/1342 1342 ± 0 5.821 5.417/6.455 6.011 ± 0.651
ea04 1342 1342/1342 1342 ± 0 5.577 5.253/6.139 5.749 ± 0.5364
ea05 1342 1342/1342 1342 ± 0 5.523 5.157/6.054 5.658 ± 0.5701
ea06 1342 1342/1342 1342 ± 0 4.963 4.779/5.352 5.067 ± 0.3549
ea07 1342 1342/1342 1342 ± 0 5.961 5.451/6.201 5.974 ± 0.5512
ea08 1342 1342/1342 1342 ± 0 5.814 5.519/6.61 6.094 ± 0.6629
ea09 1342 1342/1342 1342 ± 0 5.708 5.214/6.249 5.753 ± 0.6184
ea10 1342 1342/1342 1342 ± 0 5.915 5.335/6.535 5.93 ± 0.6359
ea11 1342 1342/1342 1342 ± 0 5.894 5.18/6.32 5.848 ± 0.6316
ea12 1342 1342/1342 1342 ± 0 6.397 6.17/6.881 6.498 ± 0.4181
ea13 1342 1342/1342 1342 ± 0 6.066 5.741/6.332 6.13 ± 0.4954
ea14 1342 1342/1342 1342 ± 0 5.681 5.128/6.251 5.771 ± 0.6318
ea15 1342 1342/1342 1342 ± 0 5.735 5.274/6.368 5.893 ± 0.6705
ea16 1342 1342/1342 1342 ± 0 6.003 5.569/6.628 6.157 ± 0.6951
ea17 1342 1342/1342 1342 ± 0.00001207 5.976 5.579/6.572 6.136 ± 0.6147
ea18 1342 1342/1342 1342 ± 0 5.046 4.771/5.584 5.202 ± 0.4946
ea19 1342 1342/1342 1342 ± 0 5.799 5.385/6.335 5.947 ± 0.5838
ea20 1342 1342/1342 1342 ± 0 6.093 5.689/6.714 6.231 ± 0.6331
ea21 1342 1342/1342 1342 ± 0 5.569 5.271/6.097 5.713 ± 0.5317
ea22 1342 1342/1342 1342 ± 0 5.524 5.298/6.351 5.817 ± 0.6449
ea23 1342 1342/1342 1342 ± 0 5.98 5.487/6.361 6.038 ± 0.6382
ea25 1342 1342/1342 1342 ± 0 5.57 5.218/6.048 5.671 ± 0.5532
ea26 1342 1342/1342 1342 ± 0 6.056 5.662/6.662 6.173 ± 0.6576
ea27 1342 1342/1342 1342 ± 0.00001646 5.531 5.362/6.36 5.777 ± 0.5773
ea28 1342 1342/1342 1342 ± 0.00001257 5.649 5.42/6.397 5.885 ± 0.6537
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 ± 0.00002395 5.387 5.183/5.575 5.369 ± 0.2588
3 1342 1342/1342 1342 ± 0.00002447 5.199 5.011/5.38 5.194 ± 0.2364
4 1342 1342/1342 1342 ± 0.00002422 5.311 5.181/5.443 5.269 ± 0.2662
5 1342 1342/1342 1342 ± 0.00002395 5.395 5.16/5.58 5.384 ± 0.3034
6 1342 1342/1342 1342 ± 0.00002395 5.331 5.161/5.499 5.298 ± 0.2895
7 1342 1342/1342 1342 ± 0.00002395 5.353 5.259/5.494 5.35 ± 0.2523
8 1342 1342/1342 1342 ± 0.00002395 5.3 5.168/5.449 5.307 ± 0.2717
9 1342 1342/1342 1342 ± 0.00002395 5.599 5.456/5.87 5.586 ± 0.3171
10 1342 1342/1342 1342 ± 0.0000235 6.016 5.869/6.175 5.993 ± 0.3014
11 1342 1342/1342 1342 ± 0.0000235 6.293 6.073/6.361 6.205 ± 0.3106
12 1342 1342/1342 1342 ± 0.0000235 6.408 6.225/6.541 6.355 ± 0.3337
13 1342 1342/1342 1342 ± 0.0000235 6.866 6.674/7.003 6.805 ± 0.3521
14 1342 1342/1342 1342 ± 0.0000235 7.052 6.769/7.274 6.981 ± 0.39
15 1342 1342/1342 1342 ± 0.0000235 6.671 6.411/6.852 6.612 ± 0.3882
16 1342 1342/1342 1342 ± 0.00002731 5.913 5.736/6.261 5.973 ± 0.3484
17 1342 1342/1342 1342 ± 0.00002574 5.942 5.756/6.264 5.983 ± 0.3328
vis
VLASS2.1.sb38521729.eb38627577.59093.001901145835_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
statwtmode
VLASS-SE
Start time
2024-05-02 13:38:41.014
End
2024-05-02 14:50:03.466
Duration
1:11:22.452
Note, WebLog generation is not included in the time.

CASA logs for stage 7