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

Statwt Summary Plot

VLASS2.1.sb38458451.eb38565931.59072.733167094906_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 5.049 4.93/5.818 5.313 ± 0.5746
ea02 1342 1342/1342 1342 ± 0.0000252 5.656 5.102/6.313 5.694 ± 0.746
ea05 1342 1342/1342 1342 ± 0.00002123 5.248 4.923/6.247 5.46 ± 0.8286
ea06 1342 1342/1342 1342 ± 0.00003266 4.886 4.701/5.363 4.92 ± 0.573
ea07 1342 1342/1342 1342 ± 0.00002089 5.482 5.047/5.719 5.436 ± 0.5291
ea08 1342 1342/1342 1342 ± 0.00002278 5.847 5.343/6.583 5.972 ± 0.7356
ea09 1342 1342/1342 1342 ± 0.00003375 5.151 4.829/5.958 5.228 ± 0.774
ea10 1342 1342/1342 1342 ± 0.00002377 5.476 4.913/6.233 5.544 ± 0.7331
ea11 1342 1342/1342 1342 ± 0.00002517 5.639 5.105/6.208 5.59 ± 0.6725
ea12 1342 1342/1342 1342 ± 0.00003249 5.36 5.084/6.093 5.453 ± 0.772
ea13 1342 1342/1342 1342 ± 0.00002813 5.723 5.534/6.095 5.717 ± 0.8064
ea14 1342 1342/1342 1342 ± 0.00002821 5.583 5.219/6.361 5.685 ± 0.8438
ea15 1342 1342/1342 1342 ± 0.00003411 5.262 4.953/6.001 5.317 ± 0.8222
ea16 1342 1342/1342 1342 ± 0 5.087 4.991/5.317 5.066 ± 0.2528
ea17 1342 1342/1342 1342 ± 0.00002906 5.782 5.229/6.487 5.844 ± 0.7632
ea18 1342 1342/1342 1342 ± 0.00002806 4.829 4.633/5.259 4.833 ± 0.566
ea19 1342 1342/1342 1342 ± 0.00001731 5.461 5.22/6.437 5.685 ± 0.8429
ea20 1342 1342/1342 1342 ± 0.00003111 5.676 5.532/6.466 5.799 ± 0.8097
ea21 1342 1342/1342 1342 ± 0.00002661 5.343 5.12/6.06 5.466 ± 0.775
ea22 1342 1342/1342 1342 ± 0.00003189 5.287 4.962/6.312 5.563 ± 0.8523
ea23 1342 1342/1342 1342 ± 0.00002628 5.641 5.238/6.291 5.692 ± 0.799
ea25 1342 1342/1342 1342 ± 0 5.136 4.906/5.193 5.111 ± 0.1905
ea26 1342 1342/1342 1342 ± 0.0000344 5.408 5.286/6.28 5.571 ± 0.8246
ea27 1342 1342/1342 1342 ± 0.00002488 5.281 4.997/6.098 5.411 ± 0.6463
ea28 1342 1342/1342 1342 ± 0.00002645 5.317 5.107/6.225 5.593 ± 0.7272
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 ± 0.00002394 5.217 4.931/5.323 5.152 ± 0.247
5 1342 1342/1342 1342 ± 0.00002394 4.995 4.828/5.241 5.003 ± 0.3409
6 1342 1342/1342 1342 ± 0.00002394 5.069 4.99/5.21 5.067 ± 0.2317
7 1342 1342/1342 1342 ± 0.00002394 5.093 4.963/5.223 5.097 ± 0.2127
8 1342 1342/1342 1342 ± 0.00002394 5.111 4.905/5.291 5.101 ± 0.2528
9 1342 1342/1342 1342 ± 0.00002394 5.41 5.264/5.586 5.377 ± 0.2816
10 1342 1342/1342 1342 ± 0.00002491 5.769 5.531/5.95 5.745 ± 0.3009
11 1342 1342/1342 1342 ± 0.00002491 6.091 5.951/6.21 6.026 ± 0.3121
12 1342 1342/1342 1342 ± 0.00002491 6.249 5.979/6.323 6.18 ± 0.3154
13 1342 1342/1342 1342 ± 0.00002491 6.415 6.145/6.599 6.339 ± 0.3765
14 1342 1342/1342 1342 ± 0.00002608 6.338 5.999/6.682 6.29 ± 0.4952
15 1342 1342/1342 1342 ± 0.00003187 6.433 6.161/6.594 6.337 ± 0.3857
16 1342 1342/1342 1342 ± 0.00004932 3.522 3.388/3.673 3.536 ± 0.2585
17 1342 1342/1342 1342 ± 0.00004846 3.689 3.478/3.918 3.706 ± 0.4009
output_dir
 
vis
VLASS2.1.sb38458451.eb38565931.59072.733167094906_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2024-11-16 19:12:12.559
End
2024-11-16 20:17:54.114
Duration
1:05:41.555
Note, WebLog generation is not included in the time.

CASA logs for stage 8