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

Statwt Summary Plot

VLASS2.1.sb38667356.eb38705720.59131.46099141204_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 5.575 5.468/6.308 5.886 ± 0.608
ea02 1342 1342/1342 1342 ± 0.0000415 6.213 5.662/6.751 6.255 ± 0.632
ea03 1342 1342/1342 1342 ± 0 5.707 4.966/6.155 5.615 ± 0.6002
ea04 1342 1342/1342 1342 ± 0.000002441 5.608 5.207/6.158 5.709 ± 0.5348
ea05 1342 1342/1342 1342 ± 0 6.125 5.596/6.645 6 ± 0.6678
ea06 1342 1342/1342 1342 ± 0 4.852 4.83/4.89 4.828 ± 0.1147
ea07 1342 1342/1342 1342 ± 0 6.147 5.707/6.458 6.237 ± 0.5689
ea08 1342 1342/1342 1342 ± 0 6.174 5.755/6.936 6.301 ± 0.6872
ea09 1342 1342/1342 1342 ± 0 5.969 5.426/6.674 6.025 ± 0.7241
ea10 1342 1342/1342 1342 ± 0 6 5.597/6.746 6.132 ± 0.6572
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 6.071 5.471/6.445 6.029 ± 0.6984
ea13 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 1342 1342/1342 1342 ± 0 6.165 5.672/6.611 6.208 ± 0.6785
ea16 1342 1342/1342 1342 ± 0 6.423 5.912/6.951 6.433 ± 0.7665
ea17 1342 1342/1342 1342 ± 0 6.649 6.03/7.256 6.66 ± 0.6658
ea18 1342 1342/1342 1342 ± 0 5.219 4.817/5.644 5.265 ± 0.5022
ea19 1342 1342/1342 1342 ± 0 6.28 5.701/6.762 6.211 ± 0.5826
ea20 1342 1342/1342 1342 ± 0 6.165 5.612/6.699 6.093 ± 0.6901
ea21 1342 1342/1342 1342 ± 0 5.934 5.664/6.556 6.083 ± 0.6286
ea22 1342 1342/1342 1342 ± 0 6.109 5.473/6.459 5.968 ± 0.5779
ea23 1342 1342/1342 1342 ± 0 6.165 5.707/6.72 6.216 ± 0.6978
ea24 1342 1342/1342 1342 ± 0 6.081 5.708/6.787 6.153 ± 0.672
ea25 1342 1342/1342 1342 ± 0 5.804 5.475/6.346 5.911 ± 0.5963
ea26 1342 1342/1342 1342 ± 0 6.595 5.963/7.222 6.524 ± 0.7528
ea27 1342 1342/1342 1342 ± 0 5.71 5.569/6.531 5.944 ± 0.6232
ea28 1342 1342/1342 1342 ± 0 5.686 5.433/6.367 5.865 ± 0.6307
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 ± 0.0000242 5.636 5.416/5.757 5.552 ± 0.3091
4 1342 1342/1342 1342 ± 0.00002777 4.865 4.626/5.025 4.85 ± 0.2195
5 1342 1342/1342 1342 ± 0.0000242 5.507 5.285/5.731 5.484 ± 0.3486
6 1342 1342/1342 1342 ± 0.0000242 5.541 5.418/5.752 5.507 ± 0.3284
7 1342 1342/1342 1342 ± 0.0000242 5.606 5.452/5.68 5.531 ± 0.3069
8 1342 1342/1342 1342 ± 0.0000242 5.486 5.297/5.671 5.453 ± 0.3526
9 1342 1342/1342 1342 ± 0.0000242 5.737 5.515/6.092 5.723 ± 0.3914
10 1342 1342/1342 1342 ± 0.00002468 6.225 6.066/6.443 6.208 ± 0.3381
11 1342 1342/1342 1342 ± 0.00002468 6.493 6.288/6.613 6.432 ± 0.3305
12 1342 1342/1342 1342 ± 0.00002468 6.589 6.448/6.761 6.598 ± 0.3611
13 1342 1342/1342 1342 ± 0.00002468 7.039 6.897/7.151 7.012 ± 0.3643
14 1342 1342/1342 1342 ± 0.00002468 7.206 7.005/7.474 7.183 ± 0.3973
15 1342 1342/1342 1342 ± 0.00002468 6.78 6.472/6.997 6.748 ± 0.3574
16 1342 1342/1342 1342 ± 0.0000252 6.147 5.899/6.348 6.174 ± 0.3544
17 1342 1342/1342 1342 ± 0.0000252 6.187 5.96/6.405 6.21 ± 0.3455
vis
VLASS2.1.sb38667356.eb38705720.59131.46099141204_split_split.ms
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-03-07 03:48:50.865
End
2025-03-07 04:15:53.482
Duration
0:27:02.618
Note, WebLog generation is not included in the time.

CASA logs for stage 8