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

Statwt Summary Plot

VLASS2.1.sb38625952.eb38714976.59133.44101303241_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 5.761 5.434/6.315 5.907 ± 0.5333
ea02 1342 1342/1342 1342 ± 0.00004877 6.025 5.592/6.757 6.213 ± 0.654
ea03 1342 1342/1342 1342 ± 0.000001235 5.507 4.957/6.073 5.526 ± 0.5991
ea04 1342 1342/1342 1342 ± 0 5.597 5.34/6.062 5.746 ± 0.5064
ea05 1342 1342/1342 1342 ± 0.000007794 5.809 5.582/6.542 6.007 ± 0.5705
ea06 1342 1342/1342 1342 ± 0 5.021 4.918/5.555 5.19 ± 0.4156
ea07 1342 1342/1342 1342 ± 0.000002469 5.981 5.61/6.36 6.074 ± 0.6552
ea08 1342 1342/1342 1342 ± 0.00004217 6.064 5.632/6.834 6.244 ± 0.6827
ea09 1342 1342/1342 1342 ± 0.00002537 5.815 5.388/6.588 5.982 ± 0.5995
ea10 1342 1342/1342 1342 ± 0.00002667 5.832 5.483/6.843 6.078 ± 0.7129
ea11 1342 1342/1342 1342 ± 0 5.833 5.322/6.564 5.992 ± 0.7089
ea12 1342 1342/1342 1342 ± 0 5.748 5.536/6.458 6.046 ± 0.6073
ea13 1342 1342/1342 1342 ± 0.000002761 6.219 5.89/6.446 6.294 ± 0.4835
ea15 1342 1342/1342 1342 ± 0 5.936 5.695/6.661 6.2 ± 0.6261
ea16 1342 1342/1342 1342 ± 0.000009456 6.138 5.879/6.866 6.374 ± 0.7078
ea17 1342 1342/1342 1342 ± 0.00002296 6.221 5.792/7.106 6.422 ± 0.7616
ea18 1342 1342/1342 1342 ± 0 4.853 4.772/5.554 5.134 ± 0.4479
ea19 1342 1342/1342 1342 ± 0.00001079 5.926 5.716/6.712 6.178 ± 0.5792
ea20 1342 1342/1342 1342 ± 0 5.771 5.586/6.56 6.055 ± 0.6029
ea21 1342 1342/1342 1342 ± 0 5.832 5.53/6.543 6.068 ± 0.5907
ea22 1342 1342/1342 1342 ± 0.00004168 5.595 5.376/6.269 5.766 ± 0.5567
ea23 1342 1342/1342 1342 ± 0 5.844 5.57/6.657 6.14 ± 0.7159
ea24 1342 1342/1342 1342 ± 0.00004272 5.818 5.484/6.73 6.091 ± 0.6352
ea25 1342 1342/1342 1342 ± 0.000003703 5.639 5.333/6.278 5.828 ± 0.6454
ea26 1342 1342/1342 1342 ± 0 6.194 6.006/7.183 6.509 ± 0.6565
ea27 1342 1342/1342 1342 ± 0.00002732 5.634 5.292/6.493 5.864 ± 0.6436
ea28 1342 1342/1342 1342 ± 0.00003801 5.524 5.37/6.376 5.832 ± 0.6211
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 ± 0.00002309 5.509 5.275/5.709 5.453 ± 0.2891
5 1342 1342/1342 1342 ± 0.00002356 5.583 5.36/5.746 5.543 ± 0.3216
6 1342 1342/1342 1342 ± 0.00002309 5.557 5.378/5.751 5.517 ± 0.3198
7 1342 1342/1342 1342 ± 0.00002309 5.583 5.396/5.683 5.527 ± 0.2972
8 1342 1342/1342 1342 ± 0.00002309 5.492 5.273/5.648 5.45 ± 0.3311
9 1342 1342/1342 1342 ± 0.00002309 5.822 5.438/5.98 5.715 ± 0.3622
10 1342 1342/1342 1342 ± 0.00002309 6.21 5.98/6.385 6.147 ± 0.3532
11 1342 1342/1342 1342 ± 0.00002309 6.451 6.25/6.597 6.375 ± 0.3524
12 1342 1342/1342 1342 ± 0.00002309 6.563 6.363/6.712 6.517 ± 0.387
13 1342 1342/1342 1342 ± 0.00002309 7.016 6.804/7.149 6.955 ± 0.4106
14 1342 1342/1342 1342 ± 0.00002309 7.157 6.9/7.401 7.109 ± 0.4489
15 1342 1342/1342 1342 ± 0.00002309 6.635 6.376/6.91 6.592 ± 0.4566
16 1342 1342/1342 1342 ± 0.00005476 5.36 5.101/5.701 5.381 ± 0.3956
17 1342 1342/1342 1342 ± 0.00004803 5.539 5.329/5.908 5.57 ± 0.4029
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.1.sb38625952.eb38714976.59133.44101303241_split_split.ms
statwtmode
VLASS-SE
output_dir
 
Start time
2025-01-11 06:49:25.586
End
2025-01-11 07:50:57.813
Duration
1:01:32.227
Note, WebLog generation is not included in the time.

CASA logs for stage 8