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

Statwt Summary Plot

VLASS2.1.sb38523814.eb38632964.59098.28982543982_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 5.699 5.563/6.294 5.968 ± 0.5425
ea02 1342 1342/1342 1342 ± 0 5.809 5.448/6.534 6.026 ± 0.6689
ea04 1342 1342/1342 1342 ± 0 5.162 4.826/5.937 5.403 ± 0.6532
ea05 1342 1342/1342 1342 ± 0 5.49 4.918/6.038 5.563 ± 0.6994
ea06 1342 1342/1342 1342 ± 0 4.628 4.33/5.114 4.727 ± 0.428
ea07 1342 1342/1342 1342 ± 0 6.135 5.545/6.451 6.145 ± 0.66
ea08 1342 1342/1342 1342 ± 0.000001645 5.824 5.603/6.847 6.217 ± 0.7373
ea09 1342 1342/1342 1342 ± 0 5.338 4.957/6.381 5.575 ± 0.7195
ea10 1342 1342/1342 1342 ± 0 6.133 5.347/6.902 6.113 ± 0.7732
ea11 1342 1342/1342 1342 ± 0 5.994 5.303/6.534 6.012 ± 0.7071
ea12 1342 1342/1342 1342 ± 0 5.63 5.202/6.27 5.815 ± 0.684
ea13 1342 1342/1342 1342 ± 0 5.672 5.303/6.174 5.796 ± 0.6205
ea14 1342 1342/1342 1342 ± 0 6.007 5.225/6.404 5.914 ± 0.6853
ea15 1342 1342/1342 1342 ± 0 5.29 4.688/6.021 5.42 ± 0.7825
ea16 1342 1342/1342 1342 ± 0 6.125 5.468/6.721 6.228 ± 0.7724
ea17 1342 1342/1342 1342 ± 0.00001361 6.226 5.646/7.138 6.361 ± 0.7606
ea18 1342 1342/1342 1342 ± 0 5.097 4.737/5.681 5.233 ± 0.5358
ea19 1342 1342/1342 1342 ± 0 5.618 5.279/6.646 6.012 ± 0.772
ea20 1342 1342/1342 1342 ± 0 6.029 5.584/6.704 6.186 ± 0.6954
ea21 1342 1342/1342 1342 ± 0 5.586 5.129/6.164 5.707 ± 0.651
ea22 1342 1342/1342 1342 ± 0 5.372 5.047/6.27 5.61 ± 0.6732
ea23 1342 1342/1342 1342 ± 0 6.301 5.557/6.752 6.243 ± 0.7384
ea25 1342 1342/1342 1342 ± 0 5.762 5.358/6.35 5.915 ± 0.6578
ea26 1342 1342/1342 1342 ± 0 5.643 5.243/6.797 5.921 ± 0.7639
ea27 1342 1342/1342 1342 ± 0.00002771 5.783 5.468/6.668 6.019 ± 0.6635
ea28 1342 1342/1342 1342 ± 0.00002585 5.787 5.62/6.769 6.151 ± 0.7158
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 ± 0.00002349 5.242 5.033/5.531 5.251 ± 0.3409
3 1342 1342/1342 1342 ± 0.00002489 5.24 5.028/5.392 5.212 ± 0.3242
4 1342 1342/1342 1342 ± 0.0000251 5.18 4.79/5.455 5.132 ± 0.378
5 1342 1342/1342 1342 ± 0.00002349 5.263 5.039/5.62 5.261 ± 0.4027
6 1342 1342/1342 1342 ± 0.00002349 5.238 4.94/5.464 5.193 ± 0.36
7 1342 1342/1342 1342 ± 0.00002349 5.303 5.104/5.554 5.244 ± 0.3263
8 1342 1342/1342 1342 ± 0.00002349 5.336 4.978/5.463 5.23 ± 0.3551
9 1342 1342/1342 1342 ± 0.00002349 5.617 5.271/5.888 5.56 ± 0.4372
10 1342 1342/1342 1342 ± 0.00002349 6.144 5.853/6.32 6.047 ± 0.4048
11 1342 1342/1342 1342 ± 0.00002372 6.34 6.088/6.601 6.286 ± 0.4146
12 1342 1342/1342 1342 ± 0.00002349 6.555 6.275/6.801 6.468 ± 0.4341
13 1342 1342/1342 1342 ± 0.00002349 7.068 6.732/7.222 6.942 ± 0.4568
14 1342 1342/1342 1342 ± 0.00002349 7.265 6.885/7.521 7.136 ± 0.506
15 1342 1342/1342 1342 ± 0.00002349 6.776 6.506/7.006 6.679 ± 0.4617
16 1342 1342/1342 1342 ± 0.00003185 5.941 5.665/6.239 5.945 ± 0.4246
17 1342 1342/1342 1342 ± 0.00003185 5.995 5.687/6.17 5.925 ± 0.4068
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38523814.eb38632964.59098.28982543982_split_split.ms
Start time
2025-01-07 15:31:16.526
End
2025-01-07 16:26:04.000
Duration
0:54:47.475
Note, WebLog generation is not included in the time.

CASA logs for stage 8