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

Statwt Summary Plot

VLASS2.1.sb38527250.eb38554918.59062.900742303245_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 5.709 5.242/6.081 5.715 ± 0.5476
ea02 1342 1342/1342 1342 ± 0.00002984 5.732 5.34/6.474 5.88 ± 0.6468
ea04 1342 1342/1342 1342 ± 0.000004633 5.54 5.174/6.14 5.682 ± 0.555
ea05 1342 1342/1342 1342 ± 0.000001661 5.953 5.436/6.545 5.924 ± 0.5894
ea06 1342 1342/1342 1342 ± 0 3.05 2.996/3.323 3.149 ± 0.1881
ea07 1342 1342/1342 1342 ± 0 5.447 5.338/5.75 5.491 ± 0.216
ea08 1342 1342/1342 1342 ± 0.000002619 5.835 5.497/6.683 6.092 ± 0.7002
ea09 1342 1342/1342 1342 ± 0 4.846 4.719/5.327 5.038 ± 0.3604
ea10 1342 1342/1342 1342 ± 0.000004843 5.782 5.329/6.529 5.88 ± 0.63
ea11 1342 1342/1342 1342 ± 0 5.967 5.444/6.504 6.041 ± 0.5964
ea12 1342 1342/1342 1342 ± 0 5.206 5.103/5.325 5.225 ± 0.1561
ea13 1342 1342/1342 1342 ± 0 6 5.733/6.261 6.086 ± 0.4832
ea14 1342 1342/1342 1342 ± 0 6.03 5.314/6.502 5.998 ± 0.6694
ea15 1342 1342/1342 1342 ± 0 5.813 5.348/6.344 5.928 ± 0.6168
ea16 1342 1342/1342 1342 ± 0 5.153 5.08/5.352 5.239 ± 0.3275
ea17 1342 1342/1342 1342 ± 0.00003001 6.222 5.87/6.935 6.349 ± 0.6276
ea18 1342 1342/1342 1342 ± 0 5.294 4.898/5.781 5.35 ± 0.5361
ea19 1342 1342/1342 1342 ± 0 6.637 6.331/6.971 6.64 ± 0.3724
ea21 1342 1342/1342 1342 ± 0 5.885 5.506/6.387 5.972 ± 0.5751
ea22 1342 1342/1342 1342 ± 0 5.458 5.113/6.288 5.662 ± 0.6461
ea23 1342 1342/1342 1342 ± 0 6.087 5.505/6.581 6.095 ± 0.6514
ea25 1342 1342/1342 1342 ± 0 5.376 5.243/5.412 5.303 ± 0.3766
ea26 1342 1342/1342 1342 ± 0 6.014 5.535/6.69 6.064 ± 0.6495
ea27 1342 1342/1342 1342 ± 0.00002938 5.626 5.436/6.48 5.871 ± 0.5791
ea28 1342 1342/1342 1342 ± 0.00002103 5.702 5.484/6.536 5.95 ± 0.6471
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 ± 0.000025 5.382 5.23/5.555 5.382 ± 0.2674
3 1342 1342/1342 1342 ± 0.00002506 5.206 5.021/5.409 5.198 ± 0.2583
4 1342 1342/1342 1342 ± 0.00002806 5.231 5.111/5.366 5.213 ± 0.2773
5 1342 1342/1342 1342 ± 0.00003669 5.487 5.386/5.764 5.577 ± 0.2092
6 1342 1342/1342 1342 ± 0.00002501 5.341 5.181/5.501 5.325 ± 0.2629
7 1342 1342/1342 1342 ± 0.000025 5.349 5.165/5.522 5.353 ± 0.2517
8 1342 1342/1342 1342 ± 0.0000254 5.359 5.133/5.492 5.326 ± 0.304
9 1342 1342/1342 1342 ± 0.00002553 5.69 5.31/5.856 5.6 ± 0.3676
10 1342 1342/1342 1342 ± 0.00002553 6.085 5.813/6.232 5.858 ± 0.6497
11 1342 1342/1342 1342 ± 0.00002553 6.338 5.894/6.45 6.047 ± 0.7736
12 1342 1342/1342 1342 ± 0.00002543 6.492 6.083/6.545 6.161 ± 0.8342
13 1342 1342/1342 1342 ± 0.00002549 6.816 6.541/7.055 6.581 ± 0.8568
14 1342 1342/1342 1342 ± 0.00002553 7.048 6.725/7.171 6.769 ± 0.8514
15 1342 1342/1342 1342 ± 0.00002553 6.639 6.487/6.854 6.421 ± 0.8611
16 1342 1342/1342 1342 ± 0.00003647 5.923 5.5/6.12 5.699 ± 0.7222
17 1342 1342/1342 1342 ± 0.00003764 5.797 5.559/6.139 5.682 ± 0.7168
vis
VLASS2.1.sb38527250.eb38554918.59062.900742303245_split_split.ms
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2025-01-17 10:09:53.630
End
2025-01-17 11:02:00.254
Duration
0:52:06.624
Note, WebLog generation is not included in the time.

CASA logs for stage 8