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

Statwt Summary Plot

VLASS2.1.sb38664748.eb38688475.59125.74132475695_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 5.268 5.077/5.929 5.417 ± 0.6192
ea02 1342 1342/1342 1342 ± 0.00003492 5.873 5.308/6.576 5.856 ± 0.7774
ea03 1342 1342/1342 1342 ± 0.00001764 5 4.6/5.886 5.149 ± 0.714
ea04 1342 1342/1342 1342 ± 0.0000259 5.232 5.026/6.039 5.436 ± 0.6873
ea05 1342 1342/1342 1342 ± 0.00001922 5.412 5.029/6.284 5.571 ± 0.7374
ea06 1342 1342/1342 1342 ± 0.00002971 5.023 4.813/5.485 5.077 ± 0.5569
ea07 1342 1342/1342 1342 ± 0.00003344 5.801 5.318/6.213 5.748 ± 0.7492
ea08 1342 1342/1342 1342 ± 0.00003218 6.04 5.504/6.812 6.08 ± 0.843
ea09 1342 1342/1342 1342 ± 0.00002001 5.458 5.149/6.403 5.568 ± 0.7755
ea10 1342 1342/1342 1342 ± 0.00003357 5.73 5.141/6.568 5.73 ± 0.8258
ea11 1342 1342/1342 1342 ± 0.00003573 5.708 4.996/6.327 5.598 ± 0.787
ea12 1342 1342/1342 1342 ± 0.0000315 5.479 5.18/6.332 5.642 ± 0.7847
ea13 1342 1342/1342 1342 ± 0.00001974 5.811 5.603/6.394 5.907 ± 0.7765
ea14 1342 1342/1342 1342 ± 0.00002476 5.524 5.085/6.343 5.66 ± 0.7925
ea15 1342 1342/1342 1342 ± 0.0000236 5.51 5.157/6.272 5.619 ± 0.8756
ea16 1342 1342/1342 1342 ± 0.00002356 5.919 5.48/6.715 5.987 ± 0.9143
ea17 1342 1342/1342 1342 ± 0.00004026 5.99 5.437/6.919 6.054 ± 0.8862
ea18 1342 1342/1342 1342 ± 0.00003505 4.822 4.624/5.474 4.912 ± 0.5539
ea19 1342 1342/1342 1342 ± 0.00001955 5.488 5.272/6.416 5.713 ± 0.7503
ea21 1342 1342/1342 1342 ± 0.00002052 5.552 5.248/6.305 5.658 ± 0.7507
ea22 1342 1342/1342 1342 ± 0.0000327 5.426 5.12/6.358 5.612 ± 0.7796
ea23 1342 1342/1342 1342 ± 0.00003171 5.779 5.275/6.529 5.859 ± 0.837
ea25 1342 1342/1342 1342 ± 0.00003951 5.544 5.104/6.235 5.563 ± 0.7428
ea26 1342 1342/1342 1342 ± 0.00002541 5.805 5.412/6.799 5.913 ± 0.8794
ea27 1342 1342/1342 1342 ± 0.00003612 5.486 5.057/6.327 5.605 ± 0.7527
ea28 1342 1342/1342 1342 ± 0.00003525 5.366 5.165/6.191 5.557 ± 0.6993
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 ± 0.00002348 5.161 5.025/5.358 5.152 ± 0.238
5 1342 1342/1342 1342 ± 0.00002365 5.103 4.954/5.327 5.139 ± 0.3025
6 1342 1342/1342 1342 ± 0.00002348 5.191 5.034/5.37 5.198 ± 0.2915
7 1342 1342/1342 1342 ± 0.00002348 5.185 5.122/5.321 5.219 ± 0.2488
8 1342 1342/1342 1342 ± 0.00002348 5.245 5.033/5.413 5.212 ± 0.2764
9 1342 1342/1342 1342 ± 0.00002378 5.519 5.366/5.799 5.53 ± 0.3111
10 1342 1342/1342 1342 ± 0.00002348 5.922 5.755/6.127 5.893 ± 0.3111
11 1342 1342/1342 1342 ± 0.00002348 6.234 6.076/6.386 6.177 ± 0.3043
12 1342 1342/1342 1342 ± 0.00002348 6.361 6.216/6.522 6.342 ± 0.3208
13 1342 1342/1342 1342 ± 0.00002428 6.623 6.436/6.753 6.57 ± 0.3691
14 1342 1342/1342 1342 ± 0.0000321 6.568 6.255/6.819 6.494 ± 0.4419
15 1342 1342/1342 1342 ± 0.00002958 6.599 6.377/6.84 6.563 ± 0.4542
16 1342 1342/1342 1342 ± 0.00005684 3.92 3.806/4.048 3.919 ± 0.235
17 1342 1342/1342 1342 ± 0.00005792 4.124 3.979/4.281 4.118 ± 0.25
vis
VLASS2.1.sb38664748.eb38688475.59125.74132475695_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
Start time
2025-01-05 03:18:30.018
End
2025-01-05 04:10:09.414
Duration
0:51:39.396
Note, WebLog generation is not included in the time.

CASA logs for stage 8