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 5.375 5.259/6.226 5.644 ± 0.7754
ea02 1342 1342/1342 1342 ± 0.00003843 6.026 5.401/6.778 6.001 ± 0.9761
ea04 1342 1342/1342 1342 ± 0.00004268 5.303 5.095/6.127 5.472 ± 0.8196
ea05 1342 1342/1342 1342 ± 0.00002739 5.435 5.066/6.466 5.649 ± 0.9346
ea06 1342 1342/1342 1342 ± 0.00004356 5.011 4.808/5.8 5.135 ± 0.7583
ea07 1342 1342/1342 1342 ± 0.00003921 5.842 5.348/6.266 5.786 ± 0.8283
ea09 1342 1342/1342 1342 ± 0.00003302 5.493 5.076/6.168 5.422 ± 0.8282
ea10 1342 1342/1342 1342 ± 0.00003826 5.244 4.781/5.924 5.296 ± 0.7094
ea11 1342 1342/1342 1342 ± 0.00003999 6.017 5.435/6.663 5.928 ± 0.8914
ea12 1342 1342/1342 1342 ± 0.00004304 5.695 5.486/6.716 5.89 ± 0.9983
ea13 1342 1342/1342 1342 ± 0.00002087 5.712 5.537/6.298 5.872 ± 0.9032
ea14 1342 1342/1342 1342 ± 0.00003721 5.659 5.359/6.646 5.916 ± 0.9469
ea15 1342 1342/1342 1342 ± 0.00004301 5.666 5.341/6.514 5.777 ± 0.9974
ea16 1342 1342/1342 1342 ± 0.00003375 5.943 5.488/6.851 6.039 ± 1.105
ea17 1342 1342/1342 1342 ± 0.00004 5.996 5.447/6.888 6.065 ± 0.9534
ea18 1342 1342/1342 1342 ± 0.00004065 5.079 4.854/5.805 5.169 ± 0.6784
ea19 1342 1342/1342 1342 ± 0.00001739 5.694 5.454/6.813 5.942 ± 0.9902
ea20 1342 1342/1342 1342 ± 0.00004161 6.039 5.898/7.026 6.219 ± 1.035
ea21 1342 1342/1342 1342 ± 0.0000341 5.565 5.182/6.365 5.72 ± 0.9156
ea22 1342 1342/1342 1342 ± 0.00004191 5.478 5.119/6.527 5.7 ± 0.9945
ea23 1342 1342/1342 1342 ± 0.00003733 5.93 5.461/6.701 6.019 ± 0.9559
ea24 1342 1342/1342 1342 ± 0.00002175 5.258 4.796/6.23 5.42 ± 0.8537
ea25 1342 1342/1342 1342 ± 0.00003935 5.706 5.254/6.476 5.749 ± 0.8346
ea26 1342 1342/1342 1342 ± 0.00003321 5.858 5.617/6.819 6.013 ± 1.038
ea27 1342 1342/1342 1342 ± 0.00004057 5.684 5.304/6.572 5.806 ± 0.8389
ea28 1342 1342/1342 1342 ± 0.0000406 5.729 5.497/6.749 5.995 ± 0.9038
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 ± 0.000024 5.335 5.166/5.572 5.323 ± 0.3077
5 1342 1342/1342 1342 ± 0.00002348 5.472 5.166/5.643 5.411 ± 0.378
6 1342 1342/1342 1342 ± 0.00002362 5.351 5.083/5.514 5.306 ± 0.2648
7 1342 1342/1342 1342 ± 0.00002362 5.383 5.18/5.511 5.341 ± 0.2734
8 1342 1342/1342 1342 ± 0.00002362 5.363 5.089/5.488 5.325 ± 0.3127
9 1342 1342/1342 1342 ± 0.00002362 5.676 5.365/5.859 5.615 ± 0.3069
10 1342 1342/1342 1342 ± 0.00002362 6.142 5.875/6.24 6.059 ± 0.2917
11 1342 1342/1342 1342 ± 0.00002362 6.436 6.081/6.552 6.329 ± 0.2993
12 1342 1342/1342 1342 ± 0.00002362 6.522 6.263/6.749 6.524 ± 0.3391
13 1342 1342/1342 1342 ± 0.00002385 6.763 6.46/7 6.701 ± 0.42
14 1342 1342/1342 1342 ± 0.00002362 7.115 6.719/7.344 7.02 ± 0.4631
15 1342 1342/1342 1342 ± 0.00003673 6.796 6.523/7.052 6.723 ± 0.4635
16 1342 1342/1342 1342 ± 0.00005212 4.002 3.885/4.11 3.997 ± 0.1758
17 1342 1342/1342 1342 ± 0.00004917 4.036 3.878/4.209 4.053 ± 0.3086
vis
VLASS2.1.sb38450628.eb38515240.59049.50130047454_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
Start time
2024-05-18 07:16:37.667
End
2024-05-18 08:28:49.924
Duration
1:12:12.257
Note, WebLog generation is not included in the time.

CASA logs for stage 8