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

Statwt Summary Plot

VLASS2.1.sb38529434.eb38589592.59082.86913579861_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 5.593 5.157/5.954 5.614 ± 0.5564
ea02 1342 1342/1342 1342 ± 0.0000297 5.708 5.458/6.464 5.964 ± 0.6569
ea04 1342 1342/1342 1342 ± 0 5.416 4.938/5.891 5.497 ± 0.5497
ea05 1342 1342/1342 1342 ± 0 5.626 5.196/6.2 5.738 ± 0.5824
ea06 1342 1342/1342 1342 ± 0 4.967 4.753/5.369 5.065 ± 0.3978
ea07 1342 1342/1342 1342 ± 0 5.777 5.25/6.054 5.788 ± 0.582
ea08 1342 1342/1342 1342 ± 0.000006548 5.632 5.401/6.503 5.956 ± 0.6721
ea09 1342 1342/1342 1342 ± 0 5.54 5.178/6.436 5.764 ± 0.6136
ea10 1342 1342/1342 1342 ± 0 5.578 5.006/6.179 5.599 ± 0.6396
ea11 1342 1342/1342 1342 ± 0 5.688 5.118/6.173 5.713 ± 0.6109
ea12 1342 1342/1342 1342 ± 0 5.67 5.228/6.306 5.842 ± 0.6335
ea13 1342 1342/1342 1342 ± 0 5.578 5.514/6.131 5.855 ± 0.486
ea14 1342 1342/1342 1342 ± 0 5.947 5.274/6.376 5.867 ± 0.6653
ea15 1342 1342/1342 1342 ± 0 5.436 4.991/6.083 5.586 ± 0.673
ea16 1342 1342/1342 1342 ± 0 6.04 5.571/6.711 6.193 ± 0.7334
ea17 1342 1342/1342 1342 ± 0.00002443 5.971 5.378/6.672 6.017 ± 0.644
ea18 1342 1342/1342 1342 ± 0 5.122 4.662/5.566 5.114 ± 0.5185
ea19 1342 1342/1342 1342 ± 0 6.088 5.473/6.595 6.085 ± 0.642
ea20 1342 1342/1342 1342 ± 0 6.241 5.641/6.686 6.146 ± 0.6429
ea21 1342 1342/1342 1342 ± 0 5.651 5.343/6.228 5.788 ± 0.5649
ea22 1342 1342/1342 1342 ± 0.000002755 5.507 5.307/6.519 5.83 ± 0.6804
ea23 1342 1342/1342 1342 ± 0 6.066 5.349/6.431 5.967 ± 0.6678
ea25 1342 1342/1342 1342 ± 0 5.589 5.112/6.111 5.619 ± 0.5685
ea26 1342 1342/1342 1342 ± 0.000001229 5.721 5.519/6.611 5.961 ± 0.6274
ea27 1342 1342/1342 1342 ± 0.00002028 5.553 5.167/6.321 5.668 ± 0.6158
ea28 1342 1342/1342 1342 ± 0.00002627 5.481 5.237/6.282 5.728 ± 0.6818
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 ± 0.00002354 5.315 5.155/5.526 5.312 ± 0.2367
3 1342 1342/1342 1342 ± 0.00002354 5.125 4.863/5.308 5.079 ± 0.2698
4 1342 1342/1342 1342 ± 0.00002728 5.14 4.983/5.328 5.135 ± 0.3033
5 1342 1342/1342 1342 ± 0.00002354 5.213 5.053/5.379 5.222 ± 0.2977
6 1342 1342/1342 1342 ± 0.00002354 5.179 5.021/5.391 5.183 ± 0.2686
7 1342 1342/1342 1342 ± 0.00002354 5.303 5.076/5.452 5.264 ± 0.254
8 1342 1342/1342 1342 ± 0.00002354 5.263 5.029/5.455 5.233 ± 0.2679
9 1342 1342/1342 1342 ± 0.00002354 5.584 5.405/5.734 5.516 ± 0.295
10 1342 1342/1342 1342 ± 0.00002354 6.009 5.87/6.105 5.944 ± 0.2896
11 1342 1342/1342 1342 ± 0.00002354 6.221 6.018/6.401 6.148 ± 0.3046
12 1342 1342/1342 1342 ± 0.00002354 6.342 6.11/6.526 6.289 ± 0.3334
13 1342 1342/1342 1342 ± 0.00002354 6.795 6.57/6.886 6.719 ± 0.3524
14 1342 1342/1342 1342 ± 0.00002354 6.973 6.723/7.185 6.914 ± 0.3804
15 1342 1342/1342 1342 ± 0.00002354 6.618 6.368/6.833 6.536 ± 0.3958
16 1342 1342/1342 1342 ± 0.00003371 5.752 5.509/6.084 5.811 ± 0.3912
17 1342 1342/1342 1342 ± 0.00003094 5.795 5.562/6.105 5.825 ± 0.3543
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS2.1.sb38529434.eb38589592.59082.86913579861_split_split.ms
output_dir
 
Start time
2024-04-12 23:18:28.016
End
2024-04-13 00:08:29.888
Duration
0:50:01.871
Note, WebLog generation is not included in the time.

CASA logs for stage 7