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

Statwt Summary Plot

VLASS2.1.sb38624155.eb38643756.59104.68707053241_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 5.738 5.099/6.148 5.48 ± 0.8015
ea02 1342 1342/1342 1342 ± 0.00004473 5.771 5.107/6.496 5.706 ± 1.055
ea04 1342 1342/1342 1342 ± 0.00002322 5.323 4.852/5.889 5.341 ± 0.6834
ea05 1342 1342/1342 1342 ± 0.00001418 5.44 5.059/6.521 5.652 ± 0.9605
ea06 1342 1342/1342 1342 ± 0.00002563 5.272 4.567/5.48 4.984 ± 0.5784
ea07 1342 1342/1342 1342 ± 0.00003054 5.999 5.196/6.192 5.759 ± 0.7901
ea08 1342 1342/1342 1342 ± 0.00003088 5.997 5.488/6.8 6.014 ± 1.054
ea09 1342 1342/1342 1342 ± 0.00002043 5.467 5.032/6.481 5.611 ± 0.9589
ea10 1342 1342/1342 1342 ± 0.00002967 6.115 5.133/6.542 5.823 ± 0.8614
ea11 1342 1342/1342 1342 ± 0.00003068 5.688 5.069/6.507 5.686 ± 0.8938
ea12 1342 1342/1342 1342 ± 0.00002942 5.765 5.066/6.474 5.614 ± 0.8365
ea13 1342 1342/1342 1342 ± 0.00001109 5.712 5.394/6.195 5.761 ± 0.8659
ea14 1342 1342/1342 1342 ± 0.000027 5.511 5.061/6.406 5.676 ± 0.8954
ea15 1342 1342/1342 1342 ± 0.00001855 5.669 4.945/6.502 5.772 ± 0.8094
ea16 1342 1342/1342 1342 ± 0.00001892 5.831 5.405/6.848 5.968 ± 1.148
ea17 1342 1342/1342 1342 ± 0.00003454 5.947 5.381/6.784 5.961 ± 0.8789
ea18 1342 1342/1342 1342 ± 0.00003196 4.924 4.496/5.412 4.885 ± 0.5661
ea19 1342 1342/1342 1342 ± 0.000009453 5.709 5.442/6.832 6.034 ± 0.9965
ea20 1342 1342/1342 1342 ± 0.0000313 6.156 5.47/6.655 5.943 ± 0.8264
ea21 1342 1342/1342 1342 ± 0.00002181 5.988 5.271/6.366 5.746 ± 0.8844
ea22 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea23 1342 1342/1342 1342 ± 0.00002989 5.968 5.259/6.487 5.853 ± 0.8514
ea25 1342 1342/1342 1342 ± 0.00003227 6.062 5.182/6.378 5.711 ± 0.7779
ea26 1342 1342/1342 1342 ± 0.00001564 5.748 5.479/6.852 6.056 ± 0.9576
ea27 1342 1342/1342 1342 ± 0.00003301 5.767 5.096/6.269 5.556 ± 0.7897
ea28 1342 1342/1342 1342 ± 0.00003359 5.574 5.32/6.587 5.798 ± 0.913
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 ± 0.00002393 5.195 5.11/5.46 5.224 ± 0.2672
3 1342 1342/1342 1342 ± 0.00003876 4.407 4.101/4.723 4.416 ± 0.4493
5 1342 1342/1342 1342 ± 0.00002627 5.118 4.961/5.446 5.154 ± 0.36
7 1342 1342/1342 1342 ± 0.00002393 5.178 5.058/5.378 5.167 ± 0.2671
8 1342 1342/1342 1342 ± 0.00002393 5.197 4.987/5.386 5.155 ± 0.2942
9 1342 1342/1342 1342 ± 0.00002393 5.553 5.288/5.688 5.462 ± 0.3314
10 1342 1342/1342 1342 ± 0.00002393 6 5.767/6.128 5.917 ± 0.3438
11 1342 1342/1342 1342 ± 0.00002394 6.151 6.073/6.374 6.15 ± 0.3504
12 1342 1342/1342 1342 ± 0.00002393 6.477 6.195/6.685 6.415 ± 0.3726
13 1342 1342/1342 1342 ± 0.00002438 6.535 6.29/6.777 6.493 ± 0.4366
14 1342 1342/1342 1342 ± 0.00002408 6.997 6.73/7.174 6.901 ± 0.5159
15 1342 1342/1342 1342 ± 0.00004154 6.628 6.438/6.811 6.507 ± 0.6776
16 1342 1342/1342 1342 ± 0.00005415 3.544 3.435/3.641 3.527 ± 0.2087
17 1342 1342/1342 1342 ± 0.00005245 3.671 3.529/3.807 3.666 ± 0.2971
statwtmode
VLASS-SE
output_dir
 
vis
VLASS2.1.sb38624155.eb38643756.59104.68707053241_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-01-18 11:24:17.003
End
2025-01-18 12:18:39.673
Duration
0:54:22.670
Note, WebLog generation is not included in the time.

CASA logs for stage 8