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 5.591 5.501/6.356 5.926 ± 0.6106
ea02 1342 1342/1342 1342 ± 0.0000415 6.09 5.64/6.8 6.226 ± 0.6636
ea03 1342 1342/1342 1342 ± 0.000004247 5.765 5.042/6.26 5.701 ± 0.6285
ea04 1342 1342/1342 1342 ± 0.000004206 5.671 5.262/6.259 5.774 ± 0.575
ea05 1342 1342/1342 1342 ± 0.000001556 6.21 5.62/6.663 6.046 ± 0.695
ea06 1342 1342/1342 1342 ± 0 4.932 4.855/4.984 5 ± 0.3336
ea07 1342 1342/1342 1342 ± 0 6.187 5.758/6.528 6.278 ± 0.603
ea08 1342 1342/1342 1342 ± 0 6.039 5.761/6.984 6.311 ± 0.7129
ea09 1342 1342/1342 1342 ± 0 6.009 5.459/6.734 6.038 ± 0.7254
ea10 1342 1342/1342 1342 ± 0 6.134 5.605/6.825 6.192 ± 0.6778
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 6.11 5.51/6.538 6.104 ± 0.7178
ea13 1342 1342/1342 1342 ± 0 6.654 6.095/6.786 6.51 ± 0.7153
ea14 1342 1342/1342 1342 ± 0 5.941 5.462/6.828 6.147 ± 0.7759
ea15 1342 1342/1342 1342 ± 0 6.195 5.668/6.656 6.238 ± 0.7068
ea16 1342 1342/1342 1342 ± 0 6.452 5.924/7.029 6.461 ± 0.7799
ea17 1342 1342/1342 1342 ± 0 6.667 6.065/7.244 6.699 ± 0.6706
ea18 1342 1342/1342 1342 ± 0 5.23 4.85/5.696 5.298 ± 0.5178
ea19 1342 1342/1342 1342 ± 0 6.312 5.662/6.784 6.217 ± 0.6217
ea20 1342 1342/1342 1342 ± 0 6.148 5.64/6.771 6.145 ± 0.7052
ea21 1342 1342/1342 1342 ± 0 6.009 5.673/6.639 6.1 ± 0.6477
ea22 1342 1342/1342 1342 ± 0 5.839 5.525/6.511 5.956 ± 0.6015
ea23 1342 1342/1342 1342 ± 0 6.237 5.725/6.798 6.257 ± 0.7215
ea24 1342 1342/1342 1342 ± 0 6 5.739/6.889 6.194 ± 0.7101
ea25 1342 1342/1342 1342 ± 0 5.881 5.525/6.391 5.963 ± 0.612
ea26 1342 1342/1342 1342 ± 0 6.646 5.972/7.315 6.563 ± 0.7614
ea27 1342 1342/1342 1342 ± 0 5.748 5.627/6.618 6.005 ± 0.6373
ea28 1342 1342/1342 1342 ± 0 5.659 5.444/6.462 5.902 ± 0.6489
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 ± 0.00002404 5.654 5.417/5.775 5.565 ± 0.3109
4 1342 1342/1342 1342 ± 0.0000273 4.866 4.663/4.975 4.834 ± 0.2066
5 1342 1342/1342 1342 ± 0.00002404 5.575 5.401/5.752 5.548 ± 0.341
6 1342 1342/1342 1342 ± 0.00002404 5.57 5.424/5.769 5.528 ± 0.3277
7 1342 1342/1342 1342 ± 0.00002404 5.614 5.474/5.692 5.562 ± 0.3062
8 1342 1342/1342 1342 ± 0.00002404 5.524 5.345/5.704 5.484 ± 0.3451
9 1342 1342/1342 1342 ± 0.00002404 5.777 5.567/6.133 5.77 ± 0.3832
10 1342 1342/1342 1342 ± 0.00002442 6.271 6.11/6.479 6.252 ± 0.3453
11 1342 1342/1342 1342 ± 0.00002442 6.541 6.325/6.662 6.491 ± 0.3382
12 1342 1342/1342 1342 ± 0.00002442 6.707 6.499/6.807 6.66 ± 0.3723
13 1342 1342/1342 1342 ± 0.00002442 7.133 6.977/7.261 7.087 ± 0.3738
14 1342 1342/1342 1342 ± 0.00002442 7.289 7.075/7.545 7.256 ± 0.4085
15 1342 1342/1342 1342 ± 0.00002442 6.797 6.582/7.017 6.795 ± 0.3608
16 1342 1342/1342 1342 ± 0.00002492 6.173 5.879/6.349 6.15 ± 0.364
17 1342 1342/1342 1342 ± 0.00002492 6.158 5.997/6.451 6.193 ± 0.3468
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
vis
VLASS2.1.sb38667356.eb38705720.59131.46099141204_split_split.ms
overwrite_modelcol
False
Start time
2025-01-11 05:53:01.726
End
2025-01-11 07:13:48.818
Duration
1:20:47.091
Note, WebLog generation is not included in the time.

CASA logs for stage 8