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

Statwt Summary Plot

VLASS2.1.sb38482214.eb38565046.59071.1506340625_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 5.338 5.233/6.109 5.602 ± 0.6128
ea02 1342 1342/1342 1342 ± 0.0000415 5.735 5.337/6.61 5.888 ± 0.8126
ea05 1342 1342/1342 1342 ± 0.00002957 5.433 5.218/6.269 5.731 ± 0.6633
ea06 1342 1342/1342 1342 ± 0 4.867 4.765/5.389 5.003 ± 0.4522
ea07 1342 1342/1342 1342 ± 0.00003604 5.751 5.306/5.995 5.707 ± 0.6082
ea08 1342 1342/1342 1342 ± 0.00004092 5.852 5.529/6.806 6.095 ± 0.8341
ea09 1342 1342/1342 1342 ± 0.00003925 4.346 3.322/6.084 4.528 ± 1.261
ea10 1342 1342/1342 1342 ± 0.00004092 5.286 5.082/6.412 5.664 ± 0.6798
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.603 5.353/6.553 5.848 ± 0.7797
ea13 1342 1342/1342 1342 ± 0.00003035 5.748 5.616/6.377 5.986 ± 0.6529
ea14 1342 1342/1342 1342 ± 0 6.498 5.941/6.981 6.365 ± 0.7202
ea15 1342 1342/1342 1342 ± 0 5.303 5.145/6.232 5.654 ± 0.7208
ea16 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea17 1342 1342/1342 1342 ± 0.0000415 5.975 5.527/7.075 6.07 ± 0.7715
ea18 1342 1342/1342 1342 ± 0.000005059 4.985 4.698/5.835 5.151 ± 0.6169
ea19 1342 1342/1342 1342 ± 0 5.655 5.403/6.676 5.978 ± 0.6799
ea20 1342 1342/1342 1342 ± 0.000001245 5.89 5.737/7.04 6.104 ± 0.8679
ea21 1342 1342/1342 1342 ± 0.000003465 5.438 5.277/6.278 5.731 ± 0.6692
ea22 1342 1342/1342 1342 ± 0.00004092 5.292 5.083/6.383 5.59 ± 0.7567
ea23 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea25 1342 1342/1342 1342 ± 0 5.32 5.264/5.459 5.328 ± 0.1721
ea26 1342 1342/1342 1342 ± 0.0000231 5.547 5.377/6.453 5.822 ± 0.7494
ea27 1342 1342/1342 1342 ± 0.00004092 5.451 5.113/6.555 5.722 ± 0.7146
ea28 1342 1342/1342 1342 ± 0.00005286 6.561 5.875/7.075 6.284 ± 0.8634
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 ± 0.00002664 5.395 5.184/5.631 5.336 ± 0.4816
3 1342 1342/1342 1342 ± 0.00002664 5.481 5.183/5.674 5.354 ± 0.5417
4 1342 1342/1342 1342 ± 0.0000415 5.292 5.166/5.422 5.179 ± 0.528
5 1342 1342/1342 1342 ± 0.00002664 5.286 5.107/5.453 5.228 ± 0.5439
6 1342 1342/1342 1342 ± 0.00002664 5.3 5.07/5.407 5.2 ± 0.5099
7 1342 1342/1342 1342 ± 0.00002664 5.274 5.095/5.412 5.196 ± 0.4942
8 1342 1342/1342 1342 ± 0.00002664 5.28 5.018/5.374 5.134 ± 0.5127
9 1342 1342/1342 1342 ± 0.00002664 5.578 5.311/5.748 5.44 ± 0.5815
10 1342 1342/1342 1342 ± 0.00002603 6.023 5.828/6.132 5.971 ± 0.325
11 1342 1342/1342 1342 ± 0.00002603 6.318 6.196/6.441 6.241 ± 0.3485
12 1342 1342/1342 1342 ± 0.00002603 6.52 6.225/6.641 6.426 ± 0.3744
13 1342 1342/1342 1342 ± 0.00002603 6.868 6.581/7.092 6.804 ± 0.3846
14 1342 1342/1342 1342 ± 0.00002603 7.027 6.809/7.232 6.924 ± 0.4251
15 1342 1342/1342 1342 ± 0.00002603 6.767 6.613/7.042 6.723 ± 0.4661
16 1342 1342/1342 1342 ± 0.00006101 4.79 4.58/4.971 4.79 ± 0.3236
17 1342 1342/1342 1342 ± 0.00006102 4.793 4.613/4.94 4.792 ± 0.2652
overwrite_modelcol
False
vis
VLASS2.1.sb38482214.eb38565046.59071.1506340625_split_split.ms
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2024-04-26 20:02:10.163
End
2024-04-26 20:49:43.565
Duration
0:47:33.403
Note, WebLog generation is not included in the time.

CASA logs for stage 7