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

Statwt Summary Plot

VLASS2.1.sb38617404.eb38633387.59098.857396747684_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 5.199 4.545/5.732 5.152 ± 0.8143
ea02 1342 1342/1342 1342 ± 0.00000627 5.456 4.83/6.197 5.46 ± 0.9453
ea04 1342 1342/1342 1342 ± 0 5.044 4.575/5.626 5.12 ± 0.645
ea05 1342 1342/1342 1342 ± 0 5.442 4.74/5.935 5.35 ± 0.7533
ea06 1342 1342/1342 1342 ± 0 5.001 4.348/5.603 4.958 ± 0.746
ea07 1342 1342/1342 1342 ± 0 5.594 4.726/5.917 5.448 ± 0.8033
ea08 1342 1342/1342 1342 ± 0.000002292 5.325 4.976/6.333 5.561 ± 0.9022
ea09 1342 1342/1342 1342 ± 0 5.176 4.514/6.008 5.268 ± 0.8789
ea10 1342 1342/1342 1342 ± 0.00002741 5.541 4.834/6.249 5.429 ± 0.8964
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.452 4.764/6.059 5.452 ± 0.8414
ea13 1342 1342/1342 1342 ± 0 5.834 5.123/6.232 5.69 ± 0.793
ea14 1342 1342/1342 1342 ± 0 5.497 4.551/6.018 5.351 ± 0.8774
ea15 1342 1342/1342 1342 ± 0 5.4 4.827/5.971 5.428 ± 0.7643
ea16 1342 1342/1342 1342 ± 0 5.953 5.024/6.488 5.792 ± 0.9405
ea17 1342 1342/1342 1342 ± 0.000003848 5.554 4.642/6.152 5.474 ± 0.8983
ea18 1342 1342/1342 1342 ± 0 4.761 4.23/5.263 4.741 ± 0.6697
ea19 1342 1342/1342 1342 ± 0 5.732 5.013/6.413 5.722 ± 0.8664
ea20 1342 1342/1342 1342 ± 0 5.801 4.915/6.415 5.687 ± 0.888
ea21 1342 1342/1342 1342 ± 0 5.384 4.726/5.915 5.345 ± 0.7276
ea22 1342 1342/1342 1342 ± 0 5.369 4.742/6.107 5.363 ± 0.8838
ea23 1342 1342/1342 1342 ± 0 5.673 4.776/6.125 5.55 ± 0.8843
ea25 1342 1342/1342 1342 ± 0.000003508 5.164 4.535/5.777 5.182 ± 0.7543
ea26 1342 1342/1342 1342 ± 0 5.829 5.024/6.419 5.734 ± 0.9383
ea27 1342 1342/1342 1342 ± 0.00004147 5.369 4.7/6.055 5.277 ± 0.8298
ea28 1342 1342/1342 1342 ± 0.00003347 5.301 4.631/6.107 5.341 ± 0.9025
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 4.158 4.049/4.303 4.159 ± 0.147
3 1342 1342/1342 1342 ± 0.00002426 4.098 3.911/4.268 4.091 ± 0.2386
4 1342 1342/1342 1342 ± 0.000026 4.336 4.221/4.517 4.357 ± 0.26
5 1342 1342/1342 1342 ± 0.00002393 4.629 4.441/4.787 4.619 ± 0.2224
6 1342 1342/1342 1342 ± 0.00002393 4.796 4.612/4.884 4.77 ± 0.2212
7 1342 1342/1342 1342 ± 0.00002393 4.913 4.817/5.048 4.932 ± 0.2166
8 1342 1342/1342 1342 ± 0.00002393 5.017 4.798/5.16 4.981 ± 0.2494
9 1342 1342/1342 1342 ± 0.00002393 5.295 5.21/5.559 5.299 ± 0.2887
10 1342 1342/1342 1342 ± 0.00002393 5.736 5.652/5.958 5.75 ± 0.277
11 1342 1342/1342 1342 ± 0.00002393 6.007 5.87/6.137 5.961 ± 0.2842
12 1342 1342/1342 1342 ± 0.00002393 6.155 5.939/6.324 6.123 ± 0.3212
13 1342 1342/1342 1342 ± 0.00002393 6.522 6.394/6.657 6.521 ± 0.3185
14 1342 1342/1342 1342 ± 0.00002393 6.75 6.512/7.032 6.725 ± 0.3532
15 1342 1342/1342 1342 ± 0.00002393 6.495 6.195/6.623 6.411 ± 0.3691
16 1342 1342/1342 1342 ± 0.00003976 5.686 5.438/5.941 5.717 ± 0.3353
17 1342 1342/1342 1342 ± 0.00004051 5.688 5.483/5.984 5.716 ± 0.3235
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS2.1.sb38617404.eb38633387.59098.857396747684_split_split.ms
output_dir
 
overwrite_modelcol
False
Start time
2025-02-08 00:35:00.117
End
2025-02-08 01:00:35.521
Duration
0:25:35.404
Note, WebLog generation is not included in the time.

CASA logs for stage 8