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

Statwt Summary Plot

VLASS2.1.sb38652042.eb38809484.59142.37127280093_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 5.764 5.354/6.417 5.576 ± 1.068
ea03 1342 1342/1342 1342 ± 0.00002386 5.005 4.67/5.92 5.152 ± 0.7924
ea04 1342 1342/1342 1342 ± 0.00000423 5.486 5.078/6.031 5.407 ± 0.9778
ea05 1342 1342/1342 1342 ± 0.00000215 5.31 4.888/5.998 5.376 ± 0.8219
ea06 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea07 1342 1342/1342 1342 ± 0.00002514 5.869 5.402/6.312 5.642 ± 1.024
ea08 1342 1342/1342 1342 ± 0.00004958 5.912 5.41/6.632 5.685 ± 1.219
ea09 1342 1342/1342 1342 ± 0.00003456 5.682 5.195/6.267 5.607 ± 0.8059
ea10 1342 1342/1342 1342 ± 0.00003596 5.72 5.225/6.564 5.619 ± 1.051
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00003072 5.583 5.261/6.556 5.683 ± 1.136
ea13 1342 1342/1342 1342 ± 0.00002117 5.836 5.366/6.333 5.655 ± 0.8821
ea14 1342 1342/1342 1342 ± 0.00002047 5.449 5.084/6.205 5.437 ± 0.8996
ea15 1342 1342/1342 1342 ± 0 2.601 2.358/2.984 2.688 ± 0.5181
ea17 1342 1342/1342 1342 ± 0.00004366 6.03 5.626/6.79 5.942 ± 1.183
ea18 1342 1342/1342 1342 ± 0.00004504 4.774 4.643/5.482 4.799 ± 0.7471
ea19 1342 1342/1342 1342 ± 0.00001154 5.599 5.27/6.39 5.655 ± 0.8592
ea20 1342 1342/1342 1342 ± 0.00004217 5.811 5.622/7.014 5.972 ± 1.181
ea21 1342 1342/1342 1342 ± 0.000007902 5.61 5.203/6.332 5.581 ± 0.9123
ea23 1342 1342/1342 1342 ± 0.00001575 5.488 5.057/5.546 5.086 ± 0.8566
ea24 1342 1342/1342 1342 ± 0.00003704 5.461 5.331/6.285 5.626 ± 0.8101
ea25 1342 1342/1342 1342 ± 0.00004382 5.474 5.164/6.171 5.379 ± 0.9816
ea26 1342 1342/1342 1342 ± 0.00001902 5.786 5.631/6.615 5.965 ± 0.8603
ea27 1342 1342/1342 1342 ± 0.00004321 5.43 5.137/6.464 5.428 ± 1.037
ea28 1342 1342/1342 1342 ± 0.00003531 5.341 5.172/6.163 5.477 ± 0.8115
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 ± 0.00002511 5.337 5.235/5.617 5.258 ± 0.6239
5 1342 1342/1342 1342 ± 0.00002566 5.272 5.134/5.566 5.183 ± 0.6705
6 1342 1342/1342 1342 ± 0.00002543 5.199 5.03/5.397 5.077 ± 0.6408
7 1342 1342/1342 1342 ± 0.00002534 5.346 5.234/5.497 5.205 ± 0.7015
8 1342 1342/1342 1342 ± 0.00002534 5.272 5.139/5.409 5.157 ± 0.7095
9 1342 1342/1342 1342 ± 0.00002557 5.455 5.22/5.744 5.326 ± 0.7556
10 1342 1342/1342 1342 ± 0.00002489 6.011 5.712/6.282 5.81 ± 0.8093
11 1342 1342/1342 1342 ± 0.00002489 6.313 6.026/6.552 6.141 ± 0.7692
12 1342 1342/1342 1342 ± 0.00002489 6.48 6.327/6.649 6.342 ± 0.8106
13 1342 1342/1342 1342 ± 0.00002489 6.499 6.316/6.73 6.391 ± 0.7235
14 1342 1342/1342 1342 ± 0.00003146 5.929 5.592/6.405 5.958 ± 0.7358
15 1342 1342/1342 1342 ± 0.00002489 6.393 5.976/6.828 6.274 ± 0.864
16 1342 1342/1342 1342 ± 0.00006079 3.44 3.247/3.645 3.405 ± 0.3703
17 1342 1342/1342 1342 ± 0.00006103 3.546 3.378/3.748 3.532 ± 0.3883
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38652042.eb38809484.59142.37127280093_split_split.ms
statwtmode
VLASS-SE
Start time
2025-01-11 11:47:05.810
End
2025-01-11 12:39:17.249
Duration
0:52:11.439
Note, WebLog generation is not included in the time.

CASA logs for stage 8