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

Statwt Summary Plot

VLASS2.2.sb40879186.eb40941791.59520.340825879626_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 6.398 5.823/6.794 6.405 ± 0.6503
ea03 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0.00003106 5.838 5.445/6.323 5.971 ± 0.6108
ea06 1342 1342/1342 1342 ± 0 6.006 5.617/6.5 6.065 ± 0.5972
ea07 1342 1342/1342 1342 ± 0.000001185 6.148 5.602/6.343 6.135 ± 0.5751
ea08 1342 1342/1342 1342 ± 0 6.37 5.915/6.867 6.462 ± 0.6192
ea09 1342 1342/1342 1342 ± 0 6.198 5.605/6.816 6.277 ± 0.6354
ea10 1342 1342/1342 1342 ± 0 6.165 5.704/6.986 6.281 ± 0.6848
ea11 1342 1342/1342 1342 ± 0 6.042 5.724/6.631 6.212 ± 0.6234
ea12 1342 1342/1342 1342 ± 0 6.321 5.761/6.75 6.344 ± 0.651
ea13 1342 1342/1342 1342 ± 0 5.917 5.716/6.28 6.025 ± 0.4681
ea14 1342 1342/1342 1342 ± 0 6.369 5.995/7.02 6.543 ± 0.728
ea15 1342 1342/1342 1342 ± 0 5.735 5.347/6.125 5.806 ± 0.5561
ea16 1342 1342/1342 1342 ± 0.000001185 6.466 5.968/6.953 6.566 ± 0.7122
ea17 1342 1342/1342 1342 ± 0 6.466 6.115/7.409 6.689 ± 0.6629
ea18 1342 1342/1342 1342 ± 0 5.189 4.731/5.532 5.216 ± 0.4731
ea19 1342 1342/1342 1342 ± 0 6.574 6.158/7.281 6.679 ± 0.7054
ea20 1342 1342/1342 1342 ± 0 6.084 5.881/6.996 6.386 ± 0.599
ea21 1342 1342/1342 1342 ± 0 6.1 5.748/6.654 6.284 ± 0.5968
ea22 1342 1342/1342 1342 ± 0 6.281 5.634/6.554 6.146 ± 0.6407
ea23 1342 1342/1342 1342 ± 0 6.263 6.014/6.887 6.538 ± 0.6503
ea24 1342 1342/1342 1342 ± 0 6.092 5.271/6.522 5.945 ± 0.5952
ea26 1342 1342/1342 1342 ± 0 6.417 5.928/7.245 6.559 ± 0.7504
ea27 1342 1342/1342 1342 ± 0 6.146 5.921/7.139 6.457 ± 0.7114
ea28 1342 1342/1342 1342 ± 0 6.135 5.951/6.993 6.455 ± 0.7036
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 ± 0.00002439 5.871 5.633/6.013 5.81 ± 0.3412
4 1342 1342/1342 1342 ± 0.00003662 5.343 5.077/5.401 5.32 ± 0.2598
5 1342 1342/1342 1342 ± 0.00002439 5.856 5.594/5.939 5.739 ± 0.358
6 1342 1342/1342 1342 ± 0.00002439 5.718 5.408/5.899 5.653 ± 0.3043
7 1342 1342/1342 1342 ± 0.00002439 5.748 5.463/5.95 5.697 ± 0.32
8 1342 1342/1342 1342 ± 0.00002439 5.654 5.305/5.869 5.615 ± 0.361
9 1342 1342/1342 1342 ± 0.00002439 6.015 5.656/6.163 5.897 ± 0.3569
10 1342 1342/1342 1342 ± 0.00002439 6.44 6.208/6.599 6.335 ± 0.365
11 1342 1342/1342 1342 ± 0.00002439 6.629 6.399/6.84 6.574 ± 0.383
12 1342 1342/1342 1342 ± 0.00002439 6.775 6.451/6.995 6.714 ± 0.4242
13 1342 1342/1342 1342 ± 0.00002439 7.216 6.924/7.585 7.194 ± 0.4366
14 1342 1342/1342 1342 ± 0.00002439 7.431 7.178/7.821 7.428 ± 0.4338
15 1342 1342/1342 1342 ± 0.00002439 7.121 6.736/7.474 7.073 ± 0.4521
16 1342 1342/1342 1342 ± 0.00002439 6.274 6.085/6.527 6.294 ± 0.3988
17 1342 1342/1342 1342 ± 0.0000245 6.242 6.037/6.393 6.19 ± 0.3637
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.2.sb40879186.eb40941791.59520.340825879626_split_split.ms
statwtmode
VLASS-SE
output_dir
 
Start time
2025-04-18 10:04:28.717
End
2025-04-18 11:04:24.546
Duration
0:59:55.829
Note, WebLog generation is not included in the time.

CASA logs for stage 8