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

Statwt Summary Plot

VLASS2.1.sb38664748.eb38688475.59125.74132475695_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 5.103 4.973/5.752 5.233 ± 0.6191
ea02 1342 1342/1342 1342 ± 0.0000436 5.418 5.064/6.4 5.577 ± 0.8418
ea03 1342 1342/1342 1342 ± 0.000004986 4.745 4.548/5.827 5.103 ± 0.6695
ea04 1342 1342/1342 1342 ± 0.00001901 5.148 4.891/5.93 5.292 ± 0.6727
ea05 1342 1342/1342 1342 ± 0.00002175 5.349 4.963/6.051 5.469 ± 0.6359
ea06 1342 1342/1342 1342 ± 0.00002211 4.85 4.647/5.668 5.02 ± 0.6193
ea07 1342 1342/1342 1342 ± 0.000044 5.304 5.121/6.011 5.465 ± 0.6983
ea08 1342 1342/1342 1342 ± 0.00004272 5.609 5.341/6.622 5.782 ± 0.9091
ea09 1342 1342/1342 1342 ± 0.00001669 5.246 5.023/6.263 5.457 ± 0.7122
ea10 1342 1342/1342 1342 ± 0.0000469 5.197 4.96/6.262 5.445 ± 0.7911
ea11 1342 1342/1342 1342 ± 0.00004627 5.324 4.86/6.219 5.385 ± 0.8295
ea12 1342 1342/1342 1342 ± 0.00002775 5.345 5.083/6.313 5.49 ± 0.8213
ea13 1342 1342/1342 1342 ± 0.00002752 5.732 5.56/6.389 5.867 ± 0.6986
ea14 1342 1342/1342 1342 ± 0.00002269 5.242 4.956/6.177 5.428 ± 0.6705
ea15 1342 1342/1342 1342 ± 0.00001595 5.105 4.87/6.178 5.475 ± 0.7811
ea16 1342 1342/1342 1342 ± 0.0000332 5.518 5.338/6.562 5.722 ± 0.7855
ea17 1342 1342/1342 1342 ± 0.00004952 5.719 5.345/6.519 5.801 ± 0.8536
ea18 1342 1342/1342 1342 ± 0.0000455 4.579 4.377/5.428 4.759 ± 0.6113
ea19 1342 1342/1342 1342 ± 0.000006644 5.382 5.128/6.177 5.559 ± 0.6192
ea21 1342 1342/1342 1342 ± 0.00003084 5.462 5.054/6.096 5.456 ± 0.6433
ea22 1342 1342/1342 1342 ± 0.00004293 5.235 4.881/6.226 5.423 ± 0.7712
ea23 1342 1342/1342 1342 ± 0.00004286 5.346 5.053/6.236 5.545 ± 0.7631
ea25 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea26 1342 1342/1342 1342 ± 0.00003161 5.561 5.322/6.752 5.817 ± 0.7677
ea27 1342 1342/1342 1342 ± 0.00005002 5.212 4.888/6.202 5.364 ± 0.7448
ea28 1342 1342/1342 1342 ± 0.00004734 5.201 4.944/6.072 5.303 ± 0.7346
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 ± 0.00002405 5.098 4.995/5.3 5.109 ± 0.2377
3 1342 1342/1342 1342 ± 0.00005524 4.919 4.679/5.312 4.981 ± 0.4016
5 1342 1342/1342 1342 ± 0.00002405 5.027 4.904/5.29 5.078 ± 0.297
6 1342 1342/1342 1342 ± 0.00002405 5.095 4.915/5.239 5.082 ± 0.2821
7 1342 1342/1342 1342 ± 0.00002405 5.12 5.053/5.249 5.147 ± 0.2342
8 1342 1342/1342 1342 ± 0.00002405 5.11 4.954/5.326 5.123 ± 0.2656
9 1342 1342/1342 1342 ± 0.00002405 5.424 5.316/5.717 5.456 ± 0.3086
10 1342 1342/1342 1342 ± 0.00002405 5.816 5.696/6.052 5.837 ± 0.3165
11 1342 1342/1342 1342 ± 0.00002405 6.165 6.037/6.32 6.128 ± 0.3034
12 1342 1342/1342 1342 ± 0.00002405 6.342 6.164/6.44 6.299 ± 0.3089
13 1342 1342/1342 1342 ± 0.00002443 6.463 6.319/6.654 6.44 ± 0.3099
14 1342 1342/1342 1342 ± 0.00003381 6.262 5.973/6.533 6.262 ± 0.3925
15 1342 1342/1342 1342 ± 0.0000279 6.326 6.12/6.606 6.331 ± 0.3919
16 1342 1342/1342 1342 ± 0.00005864 4.229 4.031/4.415 4.223 ± 0.2796
17 1342 1342/1342 1342 ± 0.00006041 4.199 4.01/4.389 4.201 ± 0.2561
statwtmode
VLASS-SE
output_dir
 
vis
VLASS2.1.sb38664748.eb38688475.59125.74132475695_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-02-27 20:47:08.128
End
2025-02-27 21:10:01.414
Duration
0:22:53.286
Note, WebLog generation is not included in the time.

CASA logs for stage 8