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

Statwt Summary Plot

VLASS2.2.sb40462625.eb40489256.59492.13194918982_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 5.954 5.546/6.44 6.032 ± 0.5884
ea02 1342 1342/1342 1342 ± 0.00002883 5.973 5.495/6.664 6.085 ± 0.6778
ea03 1342 1342/1342 1342 ± 0.0000297 5.339 4.993/6.362 5.586 ± 0.6968
ea04 1342 1342/1342 1342 ± 0 5.843 5.217/6.236 5.798 ± 0.5711
ea06 1342 1342/1342 1342 ± 0 6.234 5.475/6.465 6.063 ± 0.5948
ea07 1342 1342/1342 1342 ± 0 6.055 5.432/6.176 5.979 ± 0.5714
ea08 1342 1342/1342 1342 ± 0.00002533 5.978 5.793/6.745 6.245 ± 0.6444
ea09 1342 1342/1342 1342 ± 0.00001522 5.836 5.34/6.678 5.947 ± 0.7011
ea10 1342 1342/1342 1342 ± 0 5.902 5.436/6.624 6.019 ± 0.6143
ea11 1342 1342/1342 1342 ± 0 6.166 5.454/6.663 6.172 ± 0.7087
ea12 1342 1342/1342 1342 ± 0 6.121 5.471/6.537 6.164 ± 0.6318
ea13 1342 1342/1342 1342 ± 0.00001496 6.027 5.891/6.612 6.254 ± 0.5676
ea15 1342 1342/1342 1342 ± 0 5.998 5.348/6.409 6.014 ± 0.6847
ea16 1342 1342/1342 1342 ± 0 6.27 5.602/6.696 6.255 ± 0.6805
ea17 1342 1342/1342 1342 ± 0 6.414 5.956/7.351 6.609 ± 0.7017
ea18 1342 1342/1342 1342 ± 0 4.972 4.586/5.386 5.036 ± 0.4833
ea19 1342 1342/1342 1342 ± 0 6.401 5.632/6.902 6.357 ± 0.6368
ea20 1342 1342/1342 1342 ± 0 6.202 5.722/6.897 6.257 ± 0.6482
ea21 1342 1342/1342 1342 ± 0 5.848 5.479/6.495 6.021 ± 0.604
ea22 1342 1342/1342 1342 ± 0 6.465 5.694/6.811 6.288 ± 0.6773
ea23 1342 1342/1342 1342 ± 0 6.175 5.6/6.608 6.211 ± 0.6635
ea24 1342 1342/1342 1342 ± 0.00001178 5.924 5.359/6.591 5.967 ± 0.596
ea25 1342 1342/1342 1342 ± 0 6.138 5.32/6.413 6.025 ± 0.7163
ea26 1342 1342/1342 1342 ± 0.0000104 6.044 5.698/6.899 6.22 ± 0.6419
ea27 1342 1342/1342 1342 ± 0.000009452 5.835 5.408/6.649 5.994 ± 0.6745
ea28 1342 1342/1342 1342 ± 0.000011 5.85 5.535/6.638 6.153 ± 0.6606
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 ± 0.00002349 5.513 5.424/5.764 5.522 ± 0.2933
4 1342 1342/1342 1342 ± 0.00003471 5.252 5.037/5.366 5.188 ± 0.3974
5 1342 1342/1342 1342 ± 0.00002349 5.454 5.202/5.598 5.427 ± 0.324
6 1342 1342/1342 1342 ± 0.00002349 5.432 5.254/5.582 5.396 ± 0.279
7 1342 1342/1342 1342 ± 0.00002349 5.474 5.317/5.551 5.443 ± 0.258
8 1342 1342/1342 1342 ± 0.00002349 5.402 5.238/5.613 5.402 ± 0.2763
9 1342 1342/1342 1342 ± 0.00002349 5.754 5.654/5.953 5.73 ± 0.3065
10 1342 1342/1342 1342 ± 0.00002349 6.207 6.126/6.396 6.178 ± 0.326
11 1342 1342/1342 1342 ± 0.00002349 6.475 6.234/6.584 6.402 ± 0.3178
12 1342 1342/1342 1342 ± 0.00002349 6.619 6.432/6.692 6.559 ± 0.3444
13 1342 1342/1342 1342 ± 0.00002349 7.076 6.818/7.215 7.015 ± 0.3411
14 1342 1342/1342 1342 ± 0.00002349 7.311 7.111/7.429 7.211 ± 0.3479
15 1342 1342/1342 1342 ± 0.00002349 6.904 6.725/7.031 6.835 ± 0.3275
16 1342 1342/1342 1342 ± 0.00003294 6.103 5.944/6.294 6.101 ± 0.3554
17 1342 1342/1342 1342 ± 0.00003756 6.132 5.85/6.31 6.066 ± 0.3668
output_dir
 
datacolumn
residual_data
vis
VLASS2.2.sb40462625.eb40489256.59492.13194918982_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-05-26 03:46:17.982
End
2025-05-26 04:16:08.399
Duration
0:29:50.417
Note, WebLog generation is not included in the time.

CASA logs for stage 8