7. Reweight visibilities

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

Statwt Summary Plot

VLASS2.1.sb38497007.eb38561368.59068.10498711806_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: Wij≈WiWj.
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 5.264 5.177/6.147 5.549 ± 0.8108
ea02 1342 1342/1342 1342 ± 0 5.653 5.175/6.51 5.723 ± 0.9101
ea04 1342 1342/1342 1342 ± 0.00002329 5.33 5.015/6.083 5.424 ± 0.7857
ea05 1342 1342/1342 1342 ± 0.00004177 5.472 5/6.394 5.617 ± 0.8611
ea06 1342 1342/1342 1342 ± 0.000009773 4.799 4.589/5.438 4.947 ± 0.6362
ea07 1342 1342/1342 1342 ± 0 5.842 5.429/6.075 5.655 ± 0.7941
ea08 1342 1342/1342 1342 ± 0 6.274 5.481/6.858 6.078 ± 1.093
ea09 1342 1342/1342 1342 ± 0.00002647 5.073 4.745/5.571 5.071 ± 0.6207
ea10 1342 1342/1342 1342 ± 0 5.668 5.127/6.438 5.634 ± 0.8881
ea11 1342 1342/1342 1342 ± 0 5.784 5.36/6.602 5.88 ± 0.9475
ea12 1342 1342/1342 1342 ± 0.000007034 5.545 5.212/6.365 5.657 ± 0.8633
ea13 1342 1342/1342 1342 ± 0.00004009 5.534 5.364/6.141 5.723 ± 0.7665
ea14 1342 1342/1342 1342 ± 0.00003259 6.612 6.15/7.011 6.131 ± 1.179
ea15 1342 1342/1342 1342 ± 0.00003604 5.396 5.278/6.282 5.645 ± 0.8927
ea16 1342 1342/1342 1342 ± 0.00003409 4.558 4.045/5.39 4.658 ± 0.7868
ea17 1342 1342/1342 1342 ± 0 5.948 5.523/7.09 6.004 ± 1.018
ea18 1342 1342/1342 1342 ± 0.000005591 5.002 4.817/5.709 5.124 ± 0.6379
ea19 1342 1342/1342 1342 ± 0.00004111 5.629 5.286/6.629 5.81 ± 0.9088
ea20 1342 1342/1342 1342 ± 0.000006292 5.806 5.731/7.031 6.104 ± 1.006
ea21 1342 1342/1342 1342 ± 0.00003397 5.417 5.174/6.278 5.585 ± 0.8704
ea22 1342 1342/1342 1342 ± 0.00001895 5.29 5.015/6.415 5.584 ± 0.8453
ea23 1342 1342/1342 1342 ± 0.000005423 5.711 5.34/6.639 5.849 ± 1.019
ea26 1342 1342/1342 1342 ± 0.00002917 5.423 5.313/6.374 5.676 ± 0.8224
ea27 1342 1342/1342 1342 ± 0 5.341 5.078/5.364 5.204 ± 0.2682
ea28 1342 1342/1342 1342 ± 0 5.653 5.412/6.632 5.887 ± 0.9749
Summary of before/after-statwt antenna-based weights (Wi) for each spectral window. The antenna-based weights are derived from the visibility WEIGHT column: Wij≈WiWj.
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 5.406 5.097/5.538 5.299 ± 0.3766
5 1342 1342/1342 1342 ± 0 5.199 4.77/5.279 4.923 ± 0.5993
6 1342 1342/1342 1342 ± 0 5.288 5.018/5.378 5.189 ± 0.3866
7 1342 1342/1342 1342 ± 0 5.267 5.056/5.368 5.205 ± 0.3313
8 1342 1342/1342 1342 ± 0 5.2 5.01/5.448 5.186 ± 0.3518
9 1342 1342/1342 1342 ± 0 5.421 5.182/5.674 5.399 ± 0.3826
10 1342 1342/1342 1342 ± 0 5.959 5.815/6.145 5.893 ± 0.4245
11 1342 1342/1342 1342 ± 0 6.188 5.946/6.483 6.146 ± 0.4402
12 1342 1342/1342 1342 ± 0 6.407 6.095/6.626 6.333 ± 0.4297
13 1342 1342/1342 1342 ± 0 6.843 6.427/7.051 6.72 ± 0.4467
14 1342 1342/1342 1342 ± 0 6.933 6.725/7.257 6.886 ± 0.4807
15 1342 1342/1342 1342 ± 0 6.565 6.358/6.849 6.483 ± 0.473
16 1342 1342/1342 1342 ± 0.0000532 4.078 3.97/4.183 4.075 ± 0.1567
17 1342 1342/1342 1342 ± 0.00005413 4.099 3.983/4.279 4.135 ± 0.218
Pipeline QA summary for this task.
Score Reason
1.00 0.00% data in VLASS2.1.sb38497007.eb38561368.59068.10498711806_split_split.ms flagged by statwt flagging agents
datacolumn
residual_data
output_dir
/lustre/aoc/cluster/pipeline/vlass_auto/spool/se_continuum_imaging/VLASS2.1_T11t28.J181000+003000_P78954v1_2020_08_07T22_17_20.550/working
vis
/lustre/aoc/cluster/pipeline/vlass_auto/spool/se_continuum_imaging/VLASS2.1_T11t28.J181000+003000_P78954v1_2020_08_07T22_17_20.550/working/VLASS2.1.sb38497007.eb38561368.59068.10498711806_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2021-08-26 17:42:38.363
End
2021-08-26 18:46:19.973
Duration
1:03:41.610
Note, WebLog generation is not included in the time.

CASA logs for stage 7