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

Statwt Summary Plot

VLASS2.1.sb38508014.eb38518655.59051.788119143515_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 5.302 5.086/5.968 5.353 ± 0.8898
ea02 1342 1342/1342 1342 ± 0.00004403 5.878 5.354/6.61 5.743 ± 1.044
ea04 1342 1342/1342 1342 ± 0.000002666 4.951 4.784/5.754 5.101 ± 0.8148
ea05 1342 1342/1342 1342 ± 0.00001524 5.16 4.831/6.073 5.304 ± 0.8217
ea06 1342 1342/1342 1342 ± 0.00000292 4.898 4.636/5.483 4.839 ± 0.7655
ea07 1342 1342/1342 1342 ± 0.0000447 5.798 5.202/6.229 5.52 ± 0.9529
ea08 1342 1342/1342 1342 ± 0.0000455 5.873 5.444/6.686 5.796 ± 1.123
ea09 1342 1342/1342 1342 ± 0.00001945 5.165 4.946/5.89 5.245 ± 0.7252
ea10 1342 1342/1342 1342 ± 0.00004521 5.013 4.689/5.576 4.905 ± 0.7307
ea11 1342 1342/1342 1342 ± 0.00004387 5.853 5.152/6.51 5.601 ± 1.115
ea12 1342 1342/1342 1342 ± 0.00001005 5.261 5.106/6.061 5.331 ± 1.017
ea13 1342 1342/1342 1342 ± 0.00002167 5.901 5.654/6.356 5.824 ± 0.8093
ea14 1342 1342/1342 1342 ± 0.00001426 5.699 5.235/6.522 5.668 ± 0.9072
ea15 1342 1342/1342 1342 ± 0.000001192 5.317 5.035/6.109 5.436 ± 0.9359
ea16 1342 1342/1342 1342 ± 0.00003008 5.828 5.507/6.471 5.739 ± 1.013
ea17 1342 1342/1342 1342 ± 0.00004602 5.781 5.242/6.476 5.663 ± 1.122
ea18 1342 1342/1342 1342 ± 0.00003518 4.883 4.473/5.677 4.85 ± 0.8775
ea19 1342 1342/1342 1342 ± 0 5.47 5.3/6.418 5.623 ± 0.8525
ea20 1342 1342/1342 1342 ± 0.00002389 5.727 5.348/6.576 5.672 ± 1.211
ea21 1342 1342/1342 1342 ± 0.00002258 5.427 5.164/6.14 5.373 ± 0.8838
ea22 1342 1342/1342 1342 ± 0.00003763 5.462 5.25/6.554 5.657 ± 0.9743
ea23 1342 1342/1342 1342 ± 0.00004368 5.88 5.286/6.465 5.71 ± 1.002
ea24 1342 1342/1342 1342 ± 0.00001478 5.213 4.952/6.12 5.382 ± 0.7312
ea25 1342 1342/1342 1342 ± 0.00004549 5.469 4.891/6.103 5.304 ± 0.9815
ea26 1342 1342/1342 1342 ± 0.00003139 5.807 5.613/6.878 6.016 ± 0.9788
ea27 1342 1342/1342 1342 ± 0.00004578 5.516 5.144/6.53 5.498 ± 1.063
ea28 1342 1342/1342 1342 ± 0.00004431 5.575 5.347/6.588 5.633 ± 1.034
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.
5 1342 1342/1342 1342 ± 0.00002307 5.103 4.939/5.331 5.138 ± 0.3564
6 1342 1342/1342 1342 ± 0.00002305 5.243 5.019/5.433 5.204 ± 0.3144
7 1342 1342/1342 1342 ± 0.00002305 5.289 5.085/5.516 5.26 ± 0.305
8 1342 1342/1342 1342 ± 0.00002305 5.244 5.038/5.453 5.208 ± 0.3263
9 1342 1342/1342 1342 ± 0.00002305 5.491 5.242/5.808 5.489 ± 0.346
10 1342 1342/1342 1342 ± 0.00002305 6.012 5.6/6.113 5.871 ± 0.3509
11 1342 1342/1342 1342 ± 0.00002305 6.272 5.94/6.445 6.179 ± 0.3526
12 1342 1342/1342 1342 ± 0.00002305 6.362 6.207/6.627 6.364 ± 0.3772
13 1342 1342/1342 1342 ± 0.00002345 6.716 6.363/6.833 6.579 ± 0.4005
14 1342 1342/1342 1342 ± 0.00003257 6.277 6.006/6.746 6.321 ± 0.5493
15 1342 1342/1342 1342 ± 0.00002369 6.597 6.216/6.817 6.472 ± 0.4857
16 1342 1342/1342 1342 ± 0.00006054 3.589 3.41/3.808 3.642 ± 0.3202
17 1342 1342/1342 1342 ± 0.00006103 3.737 3.532/3.955 3.751 ± 0.3024
overwrite_modelcol
False
vis
VLASS2.1.sb38508014.eb38518655.59051.788119143515_split_split.ms
datacolumn
residual_data
output_dir
 
statwtmode
VLASS-SE
Start time
2024-12-06 21:00:16.298
End
2024-12-06 22:13:20.021
Duration
1:13:03.723
Note, WebLog generation is not included in the time.

CASA logs for stage 8