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 5.581 5.501/6.324 5.901 ± 0.5961
ea02 1342 1342/1342 1342 ± 0.0000415 6.099 5.611/6.764 6.206 ± 0.6466
ea03 1342 1342/1342 1342 ± 0 5.781 5.034/6.239 5.686 ± 0.6169
ea04 1342 1342/1342 1342 ± 0 5.63 5.226/6.18 5.729 ± 0.5419
ea05 1342 1342/1342 1342 ± 0 6.183 5.609/6.623 6.024 ± 0.6809
ea06 1342 1342/1342 1342 ± 0 4.875 4.827/4.927 4.848 ± 0.1177
ea07 1342 1342/1342 1342 ± 0 6.173 5.787/6.49 6.263 ± 0.5737
ea08 1342 1342/1342 1342 ± 0 6.122 5.743/6.948 6.298 ± 0.7045
ea09 1342 1342/1342 1342 ± 0 6.004 5.46/6.722 6.038 ± 0.729
ea10 1342 1342/1342 1342 ± 0.000001103 6.07 5.584/6.762 6.154 ± 0.6648
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 6.063 5.486/6.458 6.045 ± 0.7055
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 6.183 5.674/6.624 6.219 ± 0.6731
ea16 1342 1342/1342 1342 ± 0 6.452 5.938/7.022 6.479 ± 0.7816
ea17 1342 1342/1342 1342 ± 0 6.671 6.041/7.274 6.686 ± 0.6707
ea18 1342 1342/1342 1342 ± 0 5.205 4.833/5.665 5.276 ± 0.4998
ea19 1342 1342/1342 1342 ± 0 6.274 5.669/6.779 6.224 ± 0.6042
ea20 1342 1342/1342 1342 ± 0 6.06 5.628/6.731 6.106 ± 0.6949
ea21 1342 1342/1342 1342 ± 0 6.038 5.681/6.631 6.112 ± 0.6494
ea22 1342 1342/1342 1342 ± 0 5.941 5.508/6.493 5.964 ± 0.5807
ea23 1342 1342/1342 1342 ± 0 6.347 5.72/6.736 6.263 ± 0.7041
ea24 1342 1342/1342 1342 ± 0 6.043 5.738/6.819 6.185 ± 0.682
ea25 1342 1342/1342 1342 ± 0 5.84 5.498/6.332 5.932 ± 0.6006
ea26 1342 1342/1342 1342 ± 0 6.639 5.961/7.284 6.551 ± 0.7733
ea27 1342 1342/1342 1342 ± 0 5.719 5.607/6.57 5.967 ± 0.6384
ea28 1342 1342/1342 1342 ± 0 5.713 5.445/6.425 5.891 ± 0.6358
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 ± 0.00002416 5.634 5.414/5.772 5.559 ± 0.3154
4 1342 1342/1342 1342 ± 0.00002772 4.868 4.638/5.013 4.842 ± 0.2163
5 1342 1342/1342 1342 ± 0.00002416 5.595 5.318/5.732 5.529 ± 0.347
6 1342 1342/1342 1342 ± 0.00002416 5.553 5.429/5.755 5.514 ± 0.3241
7 1342 1342/1342 1342 ± 0.00002416 5.585 5.468/5.689 5.54 ± 0.306
8 1342 1342/1342 1342 ± 0.00002416 5.502 5.309/5.678 5.463 ± 0.3481
9 1342 1342/1342 1342 ± 0.00002416 5.751 5.543/6.101 5.744 ± 0.385
10 1342 1342/1342 1342 ± 0.00002464 6.234 6.074/6.453 6.225 ± 0.3384
11 1342 1342/1342 1342 ± 0.00002464 6.526 6.301/6.628 6.458 ± 0.3289
12 1342 1342/1342 1342 ± 0.00002464 6.657 6.456/6.776 6.63 ± 0.3656
13 1342 1342/1342 1342 ± 0.00002464 7.083 6.929/7.186 7.053 ± 0.3679
14 1342 1342/1342 1342 ± 0.00002464 7.243 7.032/7.488 7.219 ± 0.3967
15 1342 1342/1342 1342 ± 0.00002464 6.802 6.516/6.989 6.766 ± 0.3614
16 1342 1342/1342 1342 ± 0.00002517 6.155 5.864/6.376 6.173 ± 0.3711
17 1342 1342/1342 1342 ± 0.00002516 6.179 6.029/6.392 6.219 ± 0.348
datacolumn
residual_data
vis
VLASS2.1.sb38667356.eb38705720.59131.46099141204_split_split.ms
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
Start time
2025-01-11 03:05:33.442
End
2025-01-11 04:25:39.462
Duration
1:20:06.020
Note, WebLog generation is not included in the time.

CASA logs for stage 8