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

Statwt Summary Plot

VLASS2.1.sb38450628.eb38515240.59049.50130047454_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 5.484 5.326/6.088 5.558 ± 0.7831
ea02 1342 1342/1342 1342 ± 0.00004285 6.056 5.493/6.786 5.942 ± 1.011
ea04 1342 1342/1342 1342 ± 0.00002994 5.534 5.144/6.197 5.433 ± 0.9324
ea05 1342 1342/1342 1342 ± 0.00001127 5.472 5.132/6.27 5.578 ± 0.7376
ea06 1342 1342/1342 1342 ± 0.00003609 5.227 4.961/5.892 5.182 ± 0.837
ea07 1342 1342/1342 1342 ± 0.00004297 5.721 5.411/6.206 5.641 ± 0.8189
ea09 1342 1342/1342 1342 ± 0.00002314 5.332 5.106/6.015 5.434 ± 0.6789
ea10 1342 1342/1342 1342 ± 0.00004402 5.319 4.845/5.898 5.182 ± 0.7553
ea11 1342 1342/1342 1342 ± 0.00004218 5.798 5.414/6.662 5.798 ± 0.9141
ea12 1342 1342/1342 1342 ± 0.00004016 5.926 5.509/6.756 5.887 ± 1.041
ea13 1342 1342/1342 1342 ± 0.00001889 5.819 5.668/6.36 5.913 ± 0.7189
ea14 1342 1342/1342 1342 ± 0.000009945 5.781 5.362/6.628 5.796 ± 0.8714
ea15 1342 1342/1342 1342 ± 0.00002579 5.779 5.465/6.591 5.774 ± 1.109
ea16 1342 1342/1342 1342 ± 0.0000166 5.783 5.517/6.804 5.873 ± 0.9257
ea17 1342 1342/1342 1342 ± 0.00004421 6.034 5.535/6.623 5.961 ± 0.9392
ea18 1342 1342/1342 1342 ± 0.00004334 5.123 4.796/5.669 5.111 ± 0.7171
ea19 1342 1342/1342 1342 ± 0.000001821 5.784 5.511/6.555 5.867 ± 0.7549
ea20 1342 1342/1342 1342 ± 0.00004264 6.197 5.879/7.119 6.217 ± 1.092
ea21 1342 1342/1342 1342 ± 0.00001414 5.533 5.374/6.292 5.58 ± 0.7832
ea22 1342 1342/1342 1342 ± 0.00003159 5.529 5.247/6.567 5.714 ± 0.914
ea23 1342 1342/1342 1342 ± 0.0000353 5.965 5.428/6.516 5.795 ± 0.9407
ea24 1342 1342/1342 1342 ± 0.00001494 5.253 4.882/6.114 5.415 ± 0.6507
ea25 1342 1342/1342 1342 ± 0.00004284 5.759 5.358/6.376 5.665 ± 0.8734
ea26 1342 1342/1342 1342 ± 0.0000253 5.846 5.639/6.657 6.008 ± 0.866
ea27 1342 1342/1342 1342 ± 0.00004386 5.714 5.298/6.629 5.71 ± 0.9079
ea28 1342 1342/1342 1342 ± 0.00004343 5.856 5.581/6.806 5.922 ± 0.9496
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 ± 0.00002351 5.538 5.361/5.714 5.504 ± 0.3129
3 1342 1342/1342 1342 ± 0.00004765 5.623 5.315/5.927 5.647 ± 0.4149
5 1342 1342/1342 1342 ± 0.00002545 5.409 5.203/5.562 5.384 ± 0.3047
6 1342 1342/1342 1342 ± 0.00002351 5.482 5.145/5.619 5.397 ± 0.2713
7 1342 1342/1342 1342 ± 0.00002351 5.486 5.252/5.595 5.43 ± 0.285
8 1342 1342/1342 1342 ± 0.00002351 5.457 5.137/5.582 5.39 ± 0.317
9 1342 1342/1342 1342 ± 0.00002351 5.761 5.413/5.909 5.686 ± 0.3092
10 1342 1342/1342 1342 ± 0.00002351 6.179 5.901/6.284 6.089 ± 0.3003
11 1342 1342/1342 1342 ± 0.00002351 6.419 6.115/6.615 6.386 ± 0.3026
12 1342 1342/1342 1342 ± 0.00002351 6.557 6.316/6.785 6.561 ± 0.3484
13 1342 1342/1342 1342 ± 0.00002351 6.788 6.442/7.068 6.728 ± 0.3972
14 1342 1342/1342 1342 ± 0.00002836 6.449 6.211/6.96 6.521 ± 0.5075
15 1342 1342/1342 1342 ± 0.0000249 6.74 6.072/6.989 6.575 ± 0.5193
16 1342 1342/1342 1342 ± 0.00005908 3.897 3.716/4.163 3.94 ± 0.3359
17 1342 1342/1342 1342 ± 0.00006038 4.034 3.837/4.328 4.09 ± 0.3832
datacolumn
residual_data
output_dir
 
vis
VLASS2.1.sb38450628.eb38515240.59049.50130047454_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2024-05-18 07:58:13.702
End
2024-05-18 08:47:27.658
Duration
0:49:13.956
Note, WebLog generation is not included in the time.

CASA logs for stage 8