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

Statwt Summary Plot

VLASS2.1.sb38547417.eb38659598.59111.3291737963_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 5.418 5.372/6.218 5.75 ± 0.6359
ea02 1342 1342/1342 1342 ± 0.00004241 5.974 5.487/6.75 6.076 ± 0.8025
ea04 1342 1342/1342 1342 ± 0 5.259 5.097/6.066 5.589 ± 0.6014
ea05 1342 1342/1342 1342 ± 0.000009516 5.609 5.369/6.592 5.925 ± 0.6942
ea06 1342 1342/1342 1342 ± 0 4.914 4.762/5.371 5.005 ± 0.454
ea07 1342 1342/1342 1342 ± 0.00003956 5.952 5.491/6.376 6.073 ± 0.7241
ea08 1342 1342/1342 1342 ± 0.00004244 6.045 5.659/6.944 6.28 ± 0.8195
ea09 1342 1342/1342 1342 ± 0.00001493 5.607 5.29/6.573 5.822 ± 0.752
ea10 1342 1342/1342 1342 ± 0.00004244 5.684 5.344/6.839 6.06 ± 0.8201
ea11 1342 1342/1342 1342 ± 0 5.903 5.345/6.781 6.116 ± 0.7925
ea12 1342 1342/1342 1342 ± 0 5.666 5.421/6.61 5.959 ± 0.7825
ea13 1342 1342/1342 1342 ± 0 6.034 5.903/6.551 6.233 ± 0.6723
ea14 1342 1342/1342 1342 ± 0.000008247 5.634 5.402/6.541 5.971 ± 0.7057
ea15 1342 1342/1342 1342 ± 0 5.554 5.434/6.508 5.982 ± 0.7413
ea16 1342 1342/1342 1342 ± 0.00001275 6.055 5.715/6.934 6.33 ± 0.8064
ea17 1342 1342/1342 1342 ± 0.00004272 5.953 5.622/7.146 6.178 ± 0.7999
ea18 1342 1342/1342 1342 ± 0.000002755 4.919 4.714/5.675 5.122 ± 0.5852
ea19 1342 1342/1342 1342 ± 0 5.887 5.696/6.9 6.278 ± 0.7135
ea20 1342 1342/1342 1342 ± 0 5.878 5.72/6.955 6.197 ± 0.8066
ea21 1342 1342/1342 1342 ± 0.00001195 5.607 5.383/6.539 5.972 ± 0.6724
ea22 1342 1342/1342 1342 ± 0.00003532 5.367 5.078/6.256 5.629 ± 0.7793
ea23 1342 1342/1342 1342 ± 0.00003032 5.66 5.561/6.755 6.149 ± 0.8186
ea25 1342 1342/1342 1342 ± 0.00003335 5.57 5.314/6.496 5.805 ± 0.7822
ea26 1342 1342/1342 1342 ± 0 5.918 5.774/7.103 6.306 ± 0.7987
ea27 1342 1342/1342 1342 ± 0.00004244 5.558 5.26/6.589 5.871 ± 0.7286
ea28 1342 1342/1342 1342 ± 0.00004244 5.769 5.544/6.747 6.084 ± 0.7761
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 ± 0.00002387 5.542 5.353/5.758 5.522 ± 0.2817
4 1342 1342/1342 1342 ± 0.00002726 5.034 4.879/5.296 5.072 ± 0.328
5 1342 1342/1342 1342 ± 0.00002387 5.554 5.291/5.72 5.522 ± 0.3278
6 1342 1342/1342 1342 ± 0.00002387 5.48 5.343/5.582 5.433 ± 0.3354
7 1342 1342/1342 1342 ± 0.00002387 5.486 5.349/5.682 5.471 ± 0.2813
8 1342 1342/1342 1342 ± 0.00002387 5.492 5.28/5.656 5.442 ± 0.3101
9 1342 1342/1342 1342 ± 0.00002387 5.729 5.599/5.98 5.704 ± 0.3456
10 1342 1342/1342 1342 ± 0.00002387 6.223 6.051/6.341 6.141 ± 0.3519
11 1342 1342/1342 1342 ± 0.00002387 6.508 6.259/6.603 6.381 ± 0.3632
12 1342 1342/1342 1342 ± 0.00002387 6.591 6.466/6.784 6.502 ± 0.5184
13 1342 1342/1342 1342 ± 0.00002387 7.09 7.001/7.304 7.049 ± 0.4241
14 1342 1342/1342 1342 ± 0.00002387 7.321 7.003/7.518 7.228 ± 0.4772
15 1342 1342/1342 1342 ± 0.00002387 6.955 6.776/7.215 6.886 ± 0.5178
16 1342 1342/1342 1342 ± 0.00006022 5.024 4.8/5.179 4.99 ± 0.3481
17 1342 1342/1342 1342 ± 0.00005884 5.153 4.972/5.325 5.126 ± 0.3314
statwtmode
VLASS-SE
datacolumn
residual_data
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38547417.eb38659598.59111.3291737963_split_split.ms
Start time
2025-02-01 07:40:45.916
End
2025-02-01 08:11:23.285
Duration
0:30:37.369
Note, WebLog generation is not included in the time.

CASA logs for stage 8