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

Statwt Summary Plot

VLASS2.1.sb38613707.eb38659860.59113.15663519676_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 5.888 5.335/6.132 5.795 ± 0.5597
ea02 1342 1342/1342 1342 ± 0.000004698 5.819 5.503/6.606 6.084 ± 0.6305
ea04 1342 1342/1342 1342 ± 0.000006621 5.613 5.193/6.244 5.732 ± 0.5877
ea05 1342 1342/1342 1342 ± 0.000001212 6.016 5.38/6.536 5.922 ± 0.625
ea06 1342 1342/1342 1342 ± 0 4.903 4.666/5.256 4.966 ± 0.3471
ea07 1342 1342/1342 1342 ± 0 6.17 5.442/6.268 6.039 ± 0.626
ea08 1342 1342/1342 1342 ± 0 6.017 5.807/6.848 6.332 ± 0.6639
ea09 1342 1342/1342 1342 ± 0 5.841 5.241/6.543 5.877 ± 0.6502
ea10 1342 1342/1342 1342 ± 0 6.078 5.357/6.764 6.059 ± 0.7142
ea11 1342 1342/1342 1342 ± 0 6.116 5.236/6.494 5.966 ± 0.7263
ea12 1342 1342/1342 1342 ± 0 5.388 5.34/5.518 5.488 ± 0.2157
ea13 1342 1342/1342 1342 ± 0 6.451 5.982/6.571 6.397 ± 0.5195
ea14 1342 1342/1342 1342 ± 0 6.024 5.307/6.537 5.98 ± 0.7122
ea15 1342 1342/1342 1342 ± 0 5.95 5.353/6.498 6.018 ± 0.7031
ea16 1342 1342/1342 1342 ± 0 6.267 5.664/6.829 6.326 ± 0.7589
ea17 1342 1342/1342 1342 ± 0.000001214 6.053 5.604/6.929 6.156 ± 0.6441
ea18 1342 1342/1342 1342 ± 0 5.118 4.713/5.581 5.169 ± 0.5625
ea19 1342 1342/1342 1342 ± 0 6.318 5.643/6.832 6.311 ± 0.7102
ea20 1342 1342/1342 1342 ± 0 6.337 5.712/6.856 6.28 ± 0.6731
ea21 1342 1342/1342 1342 ± 0 5.983 5.438/6.444 5.995 ± 0.6006
ea22 1342 1342/1342 1342 ± 0 5.567 5.257/6.325 5.812 ± 0.6514
ea23 1342 1342/1342 1342 ± 0 6.219 5.497/6.641 6.18 ± 0.7217
ea25 1342 1342/1342 1342 ± 0 5.713 5.342/6.357 5.878 ± 0.6053
ea26 1342 1342/1342 1342 ± 0 6.274 5.666/7.012 6.32 ± 0.6677
ea27 1342 1342/1342 1342 ± 0.000001213 5.779 5.346/6.494 5.869 ± 0.6207
ea28 1342 1342/1342 1342 ± 0.00001901 6.008 5.516/6.605 6.148 ± 0.6419
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 ± 0.0000235 5.385 5.244/5.626 5.392 ± 0.2767
4 1342 1342/1342 1342 ± 0.00002553 5.165 5.004/5.464 5.195 ± 0.3366
5 1342 1342/1342 1342 ± 0.0000235 5.4 5.18/5.584 5.405 ± 0.3252
6 1342 1342/1342 1342 ± 0.0000235 5.358 5.156/5.467 5.326 ± 0.3465
7 1342 1342/1342 1342 ± 0.0000235 5.39 5.263/5.601 5.394 ± 0.2784
8 1342 1342/1342 1342 ± 0.0000235 5.434 5.2/5.575 5.366 ± 0.3009
9 1342 1342/1342 1342 ± 0.0000235 5.677 5.505/5.915 5.646 ± 0.3393
10 1342 1342/1342 1342 ± 0.00002353 6.153 6.007/6.281 6.088 ± 0.3409
11 1342 1342/1342 1342 ± 0.00002394 6.404 6.235/6.509 6.311 ± 0.3622
12 1342 1342/1342 1342 ± 0.00002442 6.543 6.351/6.756 6.471 ± 0.3936
13 1342 1342/1342 1342 ± 0.00002394 6.978 6.915/7.219 6.937 ± 0.4204
14 1342 1342/1342 1342 ± 0.00002394 7.248 6.969/7.462 7.126 ± 0.461
15 1342 1342/1342 1342 ± 0.00002394 6.883 6.641/7.075 6.768 ± 0.4556
16 1342 1342/1342 1342 ± 0.00002593 6.1 5.986/6.376 6.111 ± 0.397
17 1342 1342/1342 1342 ± 0.00002581 6.134 5.896/6.39 6.109 ± 0.4021
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
vis
VLASS2.1.sb38613707.eb38659860.59113.15663519676_split_split.ms
Start time
2024-04-13 00:56:24.920
End
2024-04-13 01:51:20.727
Duration
0:54:55.807
Note, WebLog generation is not included in the time.

CASA logs for stage 7