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

Statwt Summary Plot

VLASS2.1.sb38610763.eb38659643.59111.9147512037_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 5.487 5.151/5.946 5.599 ± 0.558
ea02 1342 1342/1342 1342 ± 0 5.521 5.137/6.171 5.69 ± 0.6329
ea04 1342 1342/1342 1342 ± 0 5.18 4.891/5.887 5.382 ± 0.5787
ea05 1342 1342/1342 1342 ± 0 5.44 4.979/5.894 5.493 ± 0.5874
ea06 1342 1342/1342 1342 ± 0 4.886 4.584/5.241 4.932 ± 0.399
ea07 1342 1342/1342 1342 ± 0 5.839 5.298/6.077 5.833 ± 0.576
ea08 1342 1342/1342 1342 ± 0 5.729 5.443/6.529 6.022 ± 0.6816
ea09 1342 1342/1342 1342 ± 0 5.214 4.768/5.837 5.331 ± 0.6099
ea10 1342 1342/1342 1342 ± 0 5.966 5.255/6.654 5.952 ± 0.6821
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.602 5.176/6.323 5.797 ± 0.6793
ea13 1342 1342/1342 1342 ± 0 5.772 5.098/6 5.579 ± 0.5839
ea14 1342 1342/1342 1342 ± 0 5.656 5.127/6.303 5.742 ± 0.695
ea15 1342 1342/1342 1342 ± 0 5.377 4.997/6.064 5.581 ± 0.6582
ea16 1342 1342/1342 1342 ± 0 5.885 5.358/6.6 6.039 ± 0.7662
ea17 1342 1342/1342 1342 ± 0 5.951 5.518/6.407 6.044 ± 0.6418
ea18 1342 1342/1342 1342 ± 0 4.906 4.61/5.459 5.018 ± 0.575
ea19 1342 1342/1342 1342 ± 0 5.683 5.264/6.409 5.883 ± 0.6626
ea20 1342 1342/1342 1342 ± 0 5.939 5.511/6.704 6.123 ± 0.6849
ea21 1342 1342/1342 1342 ± 0 5.516 5.13/6.075 5.633 ± 0.5995
ea22 1342 1342/1342 1342 ± 0 5.168 4.949/6.028 5.461 ± 0.6225
ea23 1342 1342/1342 1342 ± 0 5.904 5.315/6.343 5.966 ± 0.6999
ea25 1342 1342/1342 1342 ± 0 5.527 5.212/6.097 5.699 ± 0.5756
ea26 1342 1342/1342 1342 ± 0 5.483 4.979/6.049 5.569 ± 0.7075
ea27 1342 1342/1342 1342 ± 0 5.452 5.177/6.336 5.674 ± 0.6232
ea28 1342 1342/1342 1342 ± 0.000002601 5.698 5.337/6.399 5.873 ± 0.692
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 ± 0.00002397 5.093 4.993/5.35 5.139 ± 0.2464
3 1342 1342/1342 1342 ± 0.00002397 5.091 4.821/5.264 5.037 ± 0.2873
4 1342 1342/1342 1342 ± 0.00002443 5.063 4.774/5.284 5.037 ± 0.3397
5 1342 1342/1342 1342 ± 0.00002397 5.156 4.898/5.292 5.087 ± 0.3184
6 1342 1342/1342 1342 ± 0.00002397 5.132 4.939/5.248 5.062 ± 0.3033
7 1342 1342/1342 1342 ± 0.00002397 5.161 5.01/5.277 5.145 ± 0.2463
8 1342 1342/1342 1342 ± 0.00002397 5.156 4.87/5.334 5.114 ± 0.2945
9 1342 1342/1342 1342 ± 0.00002397 5.439 5.203/5.693 5.393 ± 0.3282
10 1342 1342/1342 1342 ± 0.00002397 5.874 5.663/6.04 5.833 ± 0.3297
11 1342 1342/1342 1342 ± 0.00002397 6.043 5.889/6.288 6.052 ± 0.3319
12 1342 1342/1342 1342 ± 0.00002444 6.285 6.065/6.486 6.236 ± 0.3624
13 1342 1342/1342 1342 ± 0.00002397 6.673 6.408/6.925 6.661 ± 0.3824
14 1342 1342/1342 1342 ± 0.00002397 6.848 6.595/7.116 6.824 ± 0.4256
15 1342 1342/1342 1342 ± 0.00002397 6.527 6.382/6.693 6.486 ± 0.3972
16 1342 1342/1342 1342 ± 0.00002397 5.82 5.543/6.188 5.858 ± 0.4065
17 1342 1342/1342 1342 ± 0.00002405 5.841 5.671/6.139 5.884 ± 0.3561
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS2.1.sb38610763.eb38659643.59111.9147512037_split_split.ms
overwrite_modelcol
False
Start time
2024-12-31 09:13:07.805
End
2024-12-31 10:13:00.466
Duration
0:59:52.661
Note, WebLog generation is not included in the time.

CASA logs for stage 8