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

Statwt Summary Plot

VLASS2.1.sb38447583.eb38589602.59083.73025677083_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 5.148 5.129/5.946 5.477 ± 0.4972
ea02 1342 1342/1342 1342 ± 0.00004616 5.477 5.157/6.49 5.763 ± 0.7206
ea04 1342 1342/1342 1342 ± 0.00001301 5.204 4.852/5.936 5.347 ± 0.5806
ea05 1342 1342/1342 1342 ± 0 5.218 4.994/6.16 5.514 ± 0.6187
ea06 1342 1342/1342 1342 ± 0.0000165 4.648 4.489/5.339 4.858 ± 0.5244
ea07 1342 1342/1342 1342 ± 0.00001381 5.424 5.041/5.771 5.49 ± 0.5235
ea08 1342 1342/1342 1342 ± 0.00003924 5.45 5.249/6.453 5.777 ± 0.6508
ea09 1342 1342/1342 1342 ± 0.00002827 5.275 5.001/6.283 5.515 ± 0.6303
ea10 1342 1342/1342 1342 ± 0.00003545 4.988 4.873/6.053 5.348 ± 0.5933
ea11 1342 1342/1342 1342 ± 0.00001915 5.367 5.012/6.286 5.639 ± 0.6696
ea12 1342 1342/1342 1342 ± 0.00001908 5.318 5.133/6.369 5.602 ± 0.7187
ea13 1342 1342/1342 1342 ± 0.000008085 5.638 5.59/6.274 5.907 ± 0.5706
ea14 1342 1342/1342 1342 ± 0.00001196 5.511 5.186/6.336 5.702 ± 0.6428
ea15 1342 1342/1342 1342 ± 0.00001237 5.152 4.875/5.941 5.388 ± 0.6531
ea16 1342 1342/1342 1342 ± 0.000006103 5.608 5.37/6.547 5.882 ± 0.7109
ea17 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea18 1342 1342/1342 1342 ± 0.00001215 4.857 4.571/5.581 4.967 ± 0.5318
ea19 1342 1342/1342 1342 ± 0.000006735 5.457 5.224/6.423 5.739 ± 0.6545
ea20 1342 1342/1342 1342 ± 0.00001982 5.726 5.399/6.675 5.948 ± 0.7627
ea21 1342 1342/1342 1342 ± 0.000001527 5.147 5.007/6.062 5.484 ± 0.5906
ea22 1342 1342/1342 1342 ± 0.00003084 5.316 5.093/6.358 5.633 ± 0.6724
ea23 1342 1342/1342 1342 ± 0.0000105 5.375 5.183/6.337 5.741 ± 0.683
ea25 1342 1342/1342 1342 ± 0.00003809 5.119 5.004/5.958 5.445 ± 0.5509
ea26 1342 1342/1342 1342 ± 0.00001939 5.468 5.199/6.591 5.809 ± 0.6909
ea27 1342 1342/1342 1342 ± 0.0000402 5.122 4.992/6.108 5.447 ± 0.5591
ea28 1342 1342/1342 1342 ± 0.00004023 5.509 5.213/6.344 5.724 ± 0.6161
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 ± 0.00002417 5.165 4.993/5.357 5.181 ± 0.2715
3 1342 1342/1342 1342 ± 0.0000244 5.174 4.987/5.286 5.126 ± 0.2463
4 1342 1342/1342 1342 ± 0.00003123 4.849 4.637/4.937 4.747 ± 0.3153
5 1342 1342/1342 1342 ± 0.0000242 5.013 4.925/5.197 5.055 ± 0.2849
6 1342 1342/1342 1342 ± 0.00002417 5.074 4.922/5.306 5.077 ± 0.269
7 1342 1342/1342 1342 ± 0.00002417 5.147 5.001/5.252 5.139 ± 0.2505
8 1342 1342/1342 1342 ± 0.00002417 5.139 4.903/5.302 5.108 ± 0.2637
9 1342 1342/1342 1342 ± 0.00002417 5.425 5.239/5.65 5.403 ± 0.2931
10 1342 1342/1342 1342 ± 0.00002417 5.835 5.685/5.987 5.812 ± 0.2835
11 1342 1342/1342 1342 ± 0.00002417 6.139 5.914/6.276 6.062 ± 0.3105
12 1342 1342/1342 1342 ± 0.00002417 6.282 5.961/6.365 6.205 ± 0.312
13 1342 1342/1342 1342 ± 0.00002432 6.61 6.362/6.757 6.563 ± 0.3455
14 1342 1342/1342 1342 ± 0.00002601 6.687 6.432/6.939 6.656 ± 0.3704
15 1342 1342/1342 1342 ± 0.0000242 6.405 6.178/6.686 6.387 ± 0.3877
16 1342 1342/1342 1342 ± 0.00005802 5.038 4.838/5.252 5.013 ± 0.3189
17 1342 1342/1342 1342 ± 0.00005764 5.027 4.858/5.22 5.047 ± 0.3234
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38447583.eb38589602.59083.73025677083_split_split.ms
output_dir
 
Start time
2024-11-16 07:03:30.997
End
2024-11-16 08:03:45.895
Duration
1:00:14.897
Note, WebLog generation is not included in the time.

CASA logs for stage 8