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

Statwt Summary Plot

VLASS2.1.sb38483282.eb38504007.59045.97679461805_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 5.531 5.37/5.974 5.698 ± 0.5359
ea02 1342 1342/1342 1342 ± 0.00001375 5.782 5.452/6.436 5.971 ± 0.6422
ea04 1342 1342/1342 1342 ± 0 5.524 5.222/6.018 5.652 ± 0.486
ea05 1342 1342/1342 1342 ± 0 5.829 5.503/6.306 5.912 ± 0.5679
ea06 1342 1342/1342 1342 ± 0 5.545 5.145/5.973 5.577 ± 0.462
ea07 1342 1342/1342 1342 ± 0 5.248 5.2/5.508 5.322 ± 0.2112
ea08 1342 1342/1342 1342 ± 0.00002883 5.917 5.601/6.64 6.13 ± 0.6677
ea09 1342 1342/1342 1342 ± 0 5.115 4.982/5.746 5.331 ± 0.4376
ea10 1342 1342/1342 1342 ± 0.00003572 5.193 4.946/5.908 5.371 ± 0.5352
ea11 1342 1342/1342 1342 ± 0.000004698 5.754 5.398/6.419 5.919 ± 0.5917
ea13 1342 1342/1342 1342 ± 0 5.984 5.882/6.317 6.177 ± 0.4409
ea14 1342 1342/1342 1342 ± 0 5.66 5.375/6.325 5.873 ± 0.5634
ea15 1342 1342/1342 1342 ± 0 5.806 5.47/6.396 5.999 ± 0.6291
ea16 1342 1342/1342 1342 ± 0 5.993 5.691/6.434 6.17 ± 0.6372
ea17 1342 1342/1342 1342 ± 0.00000233 5.734 5.622/5.887 5.728 ± 0.2168
ea18 1342 1342/1342 1342 ± 0.000001648 5.123 4.842/5.559 5.218 ± 0.5053
ea19 1342 1342/1342 1342 ± 0 5.752 5.654/5.916 5.777 ± 0.1306
ea20 1342 1342/1342 1342 ± 0 6.1 5.788/6.744 6.246 ± 0.6138
ea21 1342 1342/1342 1342 ± 0 5.37 5.226/5.841 5.541 ± 0.3916
ea22 1342 1342/1342 1342 ± 0.000001165 5.52 5.275/6.316 5.784 ± 0.6273
ea23 1342 1342/1342 1342 ± 0.00000717 5.848 5.602/6.447 6.088 ± 0.6267
ea24 1342 1342/1342 1342 ± 0 5.656 5.136/6.26 5.694 ± 0.5907
ea25 1342 1342/1342 1342 ± 0.000006478 5.606 5.384/6.258 5.815 ± 0.5905
ea26 1342 1342/1342 1342 ± 0 5.976 5.817/6.757 6.26 ± 0.6472
ea27 1342 1342/1342 1342 ± 0.000006783 5.55 5.259/5.642 5.45 ± 0.2194
ea28 1342 1342/1342 1342 ± 0.00004032 5.675 5.514/6.456 5.936 ± 0.6364
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 ± 0.00002374 5.561 5.249/5.706 5.519 ± 0.2744
3 1342 1342/1342 1342 ± 0.0000242 5.143 5.002/5.404 5.192 ± 0.3349
4 1342 1342/1342 1342 ± 0.00002399 5.491 5.303/5.713 5.48 ± 0.3316
5 1342 1342/1342 1342 ± 0.00002374 5.45 5.256/5.682 5.443 ± 0.3054
6 1342 1342/1342 1342 ± 0.00002374 5.507 5.214/5.658 5.437 ± 0.2867
7 1342 1342/1342 1342 ± 0.00002374 5.443 5.143/5.599 5.409 ± 0.271
8 1342 1342/1342 1342 ± 0.00002374 5.422 5.089/5.563 5.355 ± 0.2953
9 1342 1342/1342 1342 ± 0.00002376 5.681 5.363/5.924 5.628 ± 0.3261
10 1342 1342/1342 1342 ± 0.00002576 6.054 5.844/6.22 5.996 ± 0.3286
11 1342 1342/1342 1342 ± 0.00002576 6.302 5.932/6.419 6.223 ± 0.322
12 1342 1342/1342 1342 ± 0.00002576 6.368 6.026/6.574 6.353 ± 0.3335
13 1342 1342/1342 1342 ± 0.00002576 6.858 6.323/7.057 6.751 ± 0.3931
14 1342 1342/1342 1342 ± 0.00002576 6.99 6.64/7.229 6.94 ± 0.4197
15 1342 1342/1342 1342 ± 0.00002576 6.684 6.13/6.93 6.587 ± 0.4239
16 1342 1342/1342 1342 ± 0.00004246 5.625 5.427/5.99 5.693 ± 0.3764
17 1342 1342/1342 1342 ± 0.000042 5.702 5.491/6.015 5.729 ± 0.3544
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38483282.eb38504007.59045.97679461805_split_split.ms
statwtmode
VLASS-SE
Start time
2024-04-13 02:52:04.485
End
2024-04-13 03:48:37.377
Duration
0:56:32.892
Note, WebLog generation is not included in the time.

CASA logs for stage 7