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

Statwt Summary Plot

VLASS2.1.sb38726305.eb38809014.59142.09063322916_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 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea02 1342 1342/1342 1342 ± 0 5.797 5.276/6.383 5.709 ± 0.9065
ea03 1342 1342/1342 1342 ± 0.00002536 5.015 4.643/5.837 5.156 ± 0.7508
ea04 1342 1342/1342 1342 ± 0.00002992 5.428 5.053/6.131 5.372 ± 0.9
ea05 1342 1342/1342 1342 ± 0.00001577 4.867 4.505/5.409 4.973 ± 0.6341
ea06 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea07 1342 1342/1342 1342 ± 0.0000231 5.794 5.302/6.241 5.704 ± 0.8942
ea08 1342 1342/1342 1342 ± 0.00004187 5.886 5.473/6.66 5.878 ± 0.9728
ea09 1342 1342/1342 1342 ± 0.00004225 5.611 5.124/6.221 5.512 ± 0.8546
ea10 1342 1342/1342 1342 ± 0.00003126 5.808 5.18/6.627 5.745 ± 0.9528
ea11 1342 1342/1342 1342 ± 0.00004095 5.758 5.08/6.503 5.638 ± 0.9652
ea12 1342 1342/1342 1342 ± 0.00004179 5.569 5.283/6.475 5.642 ± 0.9297
ea13 1342 1342/1342 1342 ± 0.00002725 5.834 5.607/6.391 5.805 ± 0.8096
ea14 1342 1342/1342 1342 ± 0.00002313 5.582 5.114/6.49 5.672 ± 0.8999
ea15 1342 1342/1342 1342 ± 0.000004313 2.367 2.268/2.816 2.551 ± 0.4259
ea16 1342 1342/1342 1342 ± 0.00002109 5.796 5.449/6.813 5.94 ± 1.006
ea17 1342 1342/1342 1342 ± 0.00004002 6.1 5.638/6.895 6.089 ± 1.038
ea18 1342 1342/1342 1342 ± 0.00004216 4.786 4.615/5.392 4.82 ± 0.6578
ea19 1342 1342/1342 1342 ± 0.0000231 5.476 5.255/6.309 5.659 ± 0.8185
ea20 1342 1342/1342 1342 ± 0.00004165 5.778 5.568/6.953 5.948 ± 1.016
ea21 1342 1342/1342 1342 ± 0.00001951 5.542 5.229/6.391 5.628 ± 0.8709
ea23 1342 1342/1342 1342 ± 0.00002075 5.83 5.396/6.702 5.883 ± 0.981
ea24 1342 1342/1342 1342 ± 0.00004279 5.546 5.259/6.408 5.553 ± 0.8622
ea25 1342 1342/1342 1342 ± 0.00004043 5.515 5.199/6.181 5.499 ± 0.8468
ea26 1342 1342/1342 1342 ± 0.00002932 5.715 5.458/6.636 5.814 ± 0.9383
ea27 1342 1342/1342 1342 ± 0.00003894 5.408 5.072/6.371 5.534 ± 0.8754
ea28 1342 1342/1342 1342 ± 0.00004052 5.308 5.085/6.103 5.421 ± 0.8084
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 ± 0.00002392 5.287 5.122/5.555 5.216 ± 0.62
5 1342 1342/1342 1342 ± 0.00002479 5.317 5.075/5.468 5.192 ± 0.6476
6 1342 1342/1342 1342 ± 0.00002392 5.273 5.05/5.459 5.113 ± 0.6466
7 1342 1342/1342 1342 ± 0.00002392 5.265 5.15/5.476 5.16 ± 0.6515
8 1342 1342/1342 1342 ± 0.00002392 5.284 5.095/5.441 5.14 ± 0.6654
9 1342 1342/1342 1342 ± 0.00002392 5.552 5.274/5.793 5.393 ± 0.705
10 1342 1342/1342 1342 ± 0.00002392 6.057 5.721/6.163 5.82 ± 0.7726
11 1342 1342/1342 1342 ± 0.00002392 6.351 6.096/6.438 6.118 ± 0.7697
12 1342 1342/1342 1342 ± 0.00002392 6.496 6.238/6.662 6.336 ± 0.803
13 1342 1342/1342 1342 ± 0.00002394 6.719 6.453/6.914 6.563 ± 0.7738
14 1342 1342/1342 1342 ± 0.00002809 6.579 6.144/6.869 6.414 ± 0.7703
15 1342 1342/1342 1342 ± 0.00002392 6.594 6.221/6.898 6.397 ± 0.9262
16 1342 1342/1342 1342 ± 0.00005811 3.744 3.609/3.894 3.687 ± 0.4223
17 1342 1342/1342 1342 ± 0.00006018 3.957 3.769/4.136 3.905 ± 0.4719
output_dir
 
statwtmode
VLASS-SE
vis
VLASS2.1.sb38726305.eb38809014.59142.09063322916_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-01-11 08:04:53.026
End
2025-01-11 09:24:02.792
Duration
1:19:09.766
Note, WebLog generation is not included in the time.

CASA logs for stage 8