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

Statwt Summary Plot

VLASS2.1.sb38667356.eb38705720.59131.46099141204_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 5.57 5.494/6.307 5.893 ± 0.6022
ea02 1342 1342/1342 1342 ± 0.0000415 6.114 5.64/6.774 6.222 ± 0.6394
ea03 1342 1342/1342 1342 ± 0 5.743 5.005/6.197 5.656 ± 0.6089
ea04 1342 1342/1342 1342 ± 0 5.625 5.215/6.151 5.713 ± 0.538
ea05 1342 1342/1342 1342 ± 0 6.163 5.61/6.635 6.016 ± 0.6779
ea06 1342 1342/1342 1342 ± 0 4.874 4.833/4.92 4.845 ± 0.1205
ea07 1342 1342/1342 1342 ± 0 6.143 5.72/6.494 6.255 ± 0.5744
ea08 1342 1342/1342 1342 ± 0 6.15 5.745/6.92 6.295 ± 0.6928
ea09 1342 1342/1342 1342 ± 0 5.971 5.451/6.7 6.044 ± 0.7231
ea10 1342 1342/1342 1342 ± 0 6.022 5.577/6.769 6.135 ± 0.6725
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 6.052 5.48/6.467 6.04 ± 0.7104
ea13 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 1342 1342/1342 1342 ± 0 6.172 5.676/6.609 6.219 ± 0.6808
ea16 1342 1342/1342 1342 ± 0 6.438 5.923/6.989 6.46 ± 0.7769
ea17 1342 1342/1342 1342 ± 0 6.667 6.035/7.285 6.678 ± 0.6681
ea18 1342 1342/1342 1342 ± 0 5.207 4.826/5.647 5.274 ± 0.5038
ea19 1342 1342/1342 1342 ± 0 6.277 5.688/6.763 6.222 ± 0.5978
ea20 1342 1342/1342 1342 ± 0 6.143 5.63/6.722 6.116 ± 0.6886
ea21 1342 1342/1342 1342 ± 0 6.014 5.677/6.602 6.105 ± 0.6386
ea22 1342 1342/1342 1342 ± 0 6.068 5.524/6.486 5.973 ± 0.5693
ea23 1342 1342/1342 1342 ± 0 6.258 5.717/6.718 6.241 ± 0.7035
ea24 1342 1342/1342 1342 ± 0 6.162 5.756/6.82 6.197 ± 0.6739
ea25 1342 1342/1342 1342 ± 0 5.829 5.472/6.371 5.924 ± 0.6025
ea26 1342 1342/1342 1342 ± 0 6.618 5.956/7.261 6.547 ± 0.7572
ea27 1342 1342/1342 1342 ± 0 5.714 5.58/6.549 5.952 ± 0.6371
ea28 1342 1342/1342 1342 ± 0 5.705 5.44/6.439 5.884 ± 0.6335
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 ± 0.00002413 5.636 5.412/5.785 5.565 ± 0.3152
4 1342 1342/1342 1342 ± 0.00002768 4.866 4.635/5.025 4.838 ± 0.2201
5 1342 1342/1342 1342 ± 0.00002413 5.552 5.295/5.731 5.507 ± 0.3459
6 1342 1342/1342 1342 ± 0.00002413 5.562 5.43/5.754 5.515 ± 0.3242
7 1342 1342/1342 1342 ± 0.00002413 5.612 5.458/5.708 5.541 ± 0.3066
8 1342 1342/1342 1342 ± 0.00002413 5.492 5.305/5.679 5.461 ± 0.3508
9 1342 1342/1342 1342 ± 0.00002413 5.749 5.532/6.106 5.736 ± 0.3847
10 1342 1342/1342 1342 ± 0.00002462 6.216 6.064/6.447 6.217 ± 0.3418
11 1342 1342/1342 1342 ± 0.00002462 6.525 6.295/6.615 6.448 ± 0.3286
12 1342 1342/1342 1342 ± 0.00002462 6.63 6.452/6.772 6.617 ± 0.3676
13 1342 1342/1342 1342 ± 0.00002462 7.069 6.917/7.185 7.038 ± 0.3675
14 1342 1342/1342 1342 ± 0.00002462 7.232 7.017/7.48 7.203 ± 0.3953
15 1342 1342/1342 1342 ± 0.00002462 6.79 6.512/6.949 6.759 ± 0.3535
16 1342 1342/1342 1342 ± 0.00002513 6.16 5.858/6.382 6.182 ± 0.3748
17 1342 1342/1342 1342 ± 0.00002513 6.192 6.01/6.442 6.22 ± 0.3506
output_dir
 
vis
VLASS2.1.sb38667356.eb38705720.59131.46099141204_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2025-01-11 04:25:47.592
End
2025-01-11 05:46:35.257
Duration
1:20:47.665
Note, WebLog generation is not included in the time.

CASA logs for stage 8