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

Statwt Summary Plot

VLASS2.2.sb40507148.eb40987311.59548.184427245375_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 6.49 5.835/6.883 6.398 ± 0.7215
ea03 1342 1342/1342 1342 ± 0.00002702 5.824 5.342/6.672 5.966 ± 0.779
ea04 1342 1342/1342 1342 ± 0 5.715 5.345/6.282 5.882 ± 0.6309
ea05 1342 1342/1342 1342 ± 0 6.017 5.777/6.997 6.296 ± 0.7698
ea06 1342 1342/1342 1342 ± 0 6.431 5.609/6.597 6.213 ± 0.6303
ea07 1342 1342/1342 1342 ± 0 6.139 5.477/6.321 6.062 ± 0.6268
ea08 1342 1342/1342 1342 ± 0.000017 6.49 5.67/6.94 6.403 ± 0.7288
ea09 1342 1342/1342 1342 ± 0 6.063 5.6/6.849 6.248 ± 0.7596
ea10 1342 1342/1342 1342 ± 0 6.204 5.79/7.016 6.321 ± 0.6858
ea11 1342 1342/1342 1342 ± 0 6.453 5.531/6.923 6.308 ± 0.8195
ea12 1342 1342/1342 1342 ± 0 6.523 5.792/6.852 6.481 ± 0.721
ea13 1342 1342/1342 1342 ± 0.000006755 5.988 5.899/6.493 6.16 ± 0.5161
ea14 1342 1342/1342 1342 ± 0 6.149 5.77/6.926 6.415 ± 0.6837
ea15 1342 1342/1342 1342 ± 0 5.34 4.761/5.609 5.259 ± 0.5525
ea16 1342 1342/1342 1342 ± 0 6.322 5.774/6.869 6.422 ± 0.7851
ea17 1342 1342/1342 1342 ± 0 6.568 6.001/7.6 6.767 ± 0.7892
ea18 1342 1342/1342 1342 ± 0 5.181 4.829/5.649 5.287 ± 0.5019
ea19 1342 1342/1342 1342 ± 0 6.457 6.087/7.306 6.643 ± 0.744
ea20 1342 1342/1342 1342 ± 0 5.954 5.804/6.986 6.232 ± 0.7239
ea21 1342 1342/1342 1342 ± 0 5.901 5.559/6.644 6.059 ± 0.6219
ea22 1342 1342/1342 1342 ± 0 6.321 5.483/6.671 6.114 ± 0.7009
ea23 1342 1342/1342 1342 ± 0 6.074 5.859/6.929 6.408 ± 0.7743
ea24 1342 1342/1342 1342 ± 0 6.19 5.316/6.581 5.974 ± 0.6282
ea25 1342 1342/1342 1342 ± 0 6.402 5.79/6.791 6.441 ± 0.7608
ea26 1342 1342/1342 1342 ± 0 6.368 5.883/7.106 6.556 ± 0.7997
ea27 1342 1342/1342 1342 ± 0 6.038 5.691/7.124 6.322 ± 0.7557
ea28 1342 1342/1342 1342 ± 0 6.168 5.802/7.012 6.409 ± 0.7659
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 ± 0.00002305 5.718 5.458/5.92 5.69 ± 0.3392
3 1342 1342/1342 1342 ± 0.00002348 5.419 5.234/5.556 5.373 ± 0.3132
4 1342 1342/1342 1342 ± 0.00003275 5.361 5.081/5.561 5.361 ± 0.3261
5 1342 1342/1342 1342 ± 0.00002305 5.763 5.397/5.855 5.602 ± 0.3734
6 1342 1342/1342 1342 ± 0.00002305 5.658 5.378/5.808 5.582 ± 0.3062
7 1342 1342/1342 1342 ± 0.00002305 5.74 5.483/5.858 5.641 ± 0.3234
8 1342 1342/1342 1342 ± 0.00002305 5.618 5.381/5.866 5.598 ± 0.3646
9 1342 1342/1342 1342 ± 0.00002305 6.037 5.717/6.204 5.915 ± 0.3645
10 1342 1342/1342 1342 ± 0.00002305 6.523 6.235/6.614 6.396 ± 0.3826
11 1342 1342/1342 1342 ± 0.00002305 6.727 6.512/6.913 6.639 ± 0.3969
12 1342 1342/1342 1342 ± 0.00002306 6.87 6.586/7.016 6.791 ± 0.4463
13 1342 1342/1342 1342 ± 0.00002305 7.375 7.036/7.699 7.309 ± 0.4749
14 1342 1342/1342 1342 ± 0.00002305 7.643 7.29/7.857 7.524 ± 0.4693
15 1342 1342/1342 1342 ± 0.00002305 7.171 6.854/7.401 7.086 ± 0.4534
16 1342 1342/1342 1342 ± 0.00002804 6.41 6.005/6.631 6.34 ± 0.4148
17 1342 1342/1342 1342 ± 0.00002522 6.303 6.024/6.544 6.278 ± 0.4147
vis
VLASS2.2.sb40507148.eb40987311.59548.184427245375_split_split.ms
datacolumn
residual_data
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-06-07 18:21:49.102
End
2025-06-07 19:36:31.972
Duration
1:14:42.870
Note, WebLog generation is not included in the time.

CASA logs for stage 8