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

Statwt Summary Plot

VLASS2.1.sb38608477.eb38643773.59104.940213009264_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 5.495 5.201/5.92 5.62 ± 0.5461
ea02 1342 1342/1342 1342 ± 0 5.43 5.138/6.185 5.684 ± 0.6284
ea04 1342 1342/1342 1342 ± 0 5.22 4.845/5.979 5.42 ± 0.6125
ea05 1342 1342/1342 1342 ± 0 5.667 4.958/6.111 5.541 ± 0.5988
ea06 1342 1342/1342 1342 ± 0 4.928 4.656/5.299 4.985 ± 0.4062
ea07 1342 1342/1342 1342 ± 0 5.868 5.311/6.137 5.859 ± 0.6087
ea08 1342 1342/1342 1342 ± 0 5.702 5.43/6.528 5.999 ± 0.6952
ea09 1342 1342/1342 1342 ± 0 5.28 4.766/5.812 5.319 ± 0.6269
ea10 1342 1342/1342 1342 ± 0 5.891 5.218/6.571 5.884 ± 0.7072
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.689 5.18/6.368 5.874 ± 0.683
ea13 1342 1342/1342 1342 ± 0 5.403 4.961/5.761 5.449 ± 0.5828
ea14 1342 1342/1342 1342 ± 0 5.623 5.065/6.276 5.711 ± 0.7173
ea15 1342 1342/1342 1342 ± 0 5.337 4.9/6.096 5.535 ± 0.693
ea16 1342 1342/1342 1342 ± 0 5.849 5.361/6.549 6.006 ± 0.7723
ea17 1342 1342/1342 1342 ± 0.000001652 5.862 5.433/6.449 6.006 ± 0.668
ea18 1342 1342/1342 1342 ± 0 4.909 4.632/5.469 5.059 ± 0.551
ea19 1342 1342/1342 1342 ± 0 5.643 5.213/6.414 5.856 ± 0.6724
ea20 1342 1342/1342 1342 ± 0 5.984 5.592/6.671 6.166 ± 0.6751
ea21 1342 1342/1342 1342 ± 0 5.546 5.102/6.085 5.619 ± 0.6174
ea22 1342 1342/1342 1342 ± 0 5.091 4.817/5.909 5.322 ± 0.6385
ea23 1342 1342/1342 1342 ± 0 5.858 5.303/6.364 5.949 ± 0.7104
ea25 1342 1342/1342 1342 ± 0 5.664 5.247/6.16 5.785 ± 0.6393
ea26 1342 1342/1342 1342 ± 0 5.431 5.06/6.071 5.579 ± 0.6709
ea27 1342 1342/1342 1342 ± 0 5.459 5.191/6.337 5.681 ± 0.6375
ea28 1342 1342/1342 1342 ± 0.000004211 5.693 5.402/6.421 5.902 ± 0.6732
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 ± 0.00002394 5.115 4.936/5.303 5.149 ± 0.2673
3 1342 1342/1342 1342 ± 0.00002394 5.037 4.846/5.248 5.035 ± 0.2967
4 1342 1342/1342 1342 ± 0.0000242 4.994 4.754/5.217 4.979 ± 0.3318
5 1342 1342/1342 1342 ± 0.00002394 5.135 4.83/5.305 5.087 ± 0.3033
6 1342 1342/1342 1342 ± 0.00002394 5.125 4.916/5.261 5.078 ± 0.2611
7 1342 1342/1342 1342 ± 0.00002394 5.171 4.919/5.288 5.127 ± 0.2479
8 1342 1342/1342 1342 ± 0.00002394 5.151 4.823/5.31 5.095 ± 0.2929
9 1342 1342/1342 1342 ± 0.00002394 5.412 5.166/5.71 5.383 ± 0.3368
10 1342 1342/1342 1342 ± 0.00002394 5.865 5.689/6.029 5.82 ± 0.3216
11 1342 1342/1342 1342 ± 0.00002394 6.071 5.857/6.241 6.049 ± 0.3399
12 1342 1342/1342 1342 ± 0.00002442 6.304 6.118/6.489 6.248 ± 0.3666
13 1342 1342/1342 1342 ± 0.00002394 6.667 6.366/6.97 6.664 ± 0.4006
14 1342 1342/1342 1342 ± 0.00002394 6.896 6.573/7.15 6.847 ± 0.4153
15 1342 1342/1342 1342 ± 0.00002394 6.583 6.362/6.755 6.505 ± 0.3805
16 1342 1342/1342 1342 ± 0.00002414 5.874 5.636/6.06 5.858 ± 0.3925
17 1342 1342/1342 1342 ± 0.00002399 5.825 5.601/6.187 5.877 ± 0.3816
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38608477.eb38643773.59104.940213009264_split_split.ms
output_dir
 
statwtmode
VLASS-SE
Start time
2024-12-31 07:29:22.549
End
2024-12-31 08:27:46.084
Duration
0:58:23.535
Note, WebLog generation is not included in the time.

CASA logs for stage 8