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

Statwt Summary Plot

VLASS2.1.sb38482214.eb38565046.59071.1506340625_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 5.256 5.175/5.919 5.344 ± 0.8331
ea02 1342 1342/1342 1342 ± 0.00004209 5.73 5.328/6.522 5.676 ± 1.002
ea05 1342 1342/1342 1342 ± 0.00001203 5.611 5.143/6.524 5.649 ± 0.8379
ea06 1342 1342/1342 1342 ± 0.000003103 4.948 4.84/5.487 4.954 ± 0.7068
ea07 1342 1342/1342 1342 ± 0.00004271 5.738 5.322/5.97 5.457 ± 0.8248
ea08 1342 1342/1342 1342 ± 0.00004242 5.877 5.603/6.756 5.918 ± 1.068
ea09 1342 1342/1342 1342 ± 0.000004387 3.827 3.264/5.679 4.368 ± 1.147
ea10 1342 1342/1342 1342 ± 0.00004311 5.263 5.084/6.183 5.406 ± 0.8818
ea11 1342 1342/1342 1342 ± 0 5.838 5.28/6.485 5.972 ± 0.6545
ea12 1342 1342/1342 1342 ± 0.00001531 5.585 5.375/6.575 5.72 ± 1.122
ea13 1342 1342/1342 1342 ± 0.00001345 5.907 5.721/6.418 5.933 ± 0.812
ea14 1342 1342/1342 1342 ± 0.000005652 6.468 5.653/6.76 5.912 ± 1.188
ea15 1342 1342/1342 1342 ± 0 5.358 5.22/6.268 5.588 ± 0.9417
ea16 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea17 1342 1342/1342 1342 ± 0.00004244 5.787 5.522/6.696 5.826 ± 1.044
ea18 1342 1342/1342 1342 ± 0.00003695 5.058 4.65/5.768 5.012 ± 0.8404
ea19 1342 1342/1342 1342 ± 0.000001267 5.627 5.472/6.766 5.821 ± 0.9035
ea20 1342 1342/1342 1342 ± 0.00002807 5.941 5.76/7.088 6.017 ± 1.186
ea21 1342 1342/1342 1342 ± 0.00001642 5.431 5.321/6.354 5.58 ± 0.8837
ea22 1342 1342/1342 1342 ± 0.00002722 5.319 5.114/6.391 5.483 ± 0.9103
ea23 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea25 1342 1342/1342 1342 ± 0 5.354 5.296/5.434 5.35 ± 0.1459
ea26 1342 1342/1342 1342 ± 0.00001385 5.629 5.49/6.611 5.78 ± 0.8497
ea27 1342 1342/1342 1342 ± 0.00004461 5.425 5.093/6.403 5.493 ± 0.93
ea28 1342 1342/1342 1342 ± 0.00005393 6.475 6.04/6.595 5.794 ± 1.297
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 ± 0.00002619 5.44 5.231/5.718 5.409 ± 0.5203
3 1342 1342/1342 1342 ± 0.000026 5.389 5.084/5.567 5.257 ± 0.5211
5 1342 1342/1342 1342 ± 0.00002681 5.367 5.2/5.513 5.293 ± 0.5427
6 1342 1342/1342 1342 ± 0.00002619 5.366 5.216/5.486 5.239 ± 0.5268
7 1342 1342/1342 1342 ± 0.00002619 5.293 5.138/5.475 5.23 ± 0.5045
8 1342 1342/1342 1342 ± 0.00002619 5.299 5.052/5.44 5.17 ± 0.5227
9 1342 1342/1342 1342 ± 0.00002619 5.579 5.459/5.812 5.459 ± 0.5957
10 1342 1342/1342 1342 ± 0.00002561 6.05 5.766/6.099 5.951 ± 0.3536
11 1342 1342/1342 1342 ± 0.00002561 6.293 6.238/6.457 6.248 ± 0.3575
12 1342 1342/1342 1342 ± 0.00002561 6.493 6.264/6.61 6.421 ± 0.3768
13 1342 1342/1342 1342 ± 0.00002578 6.753 6.274/6.942 6.662 ± 0.4165
14 1342 1342/1342 1342 ± 0.00003254 6.543 6.061/6.9 6.505 ± 0.5146
15 1342 1342/1342 1342 ± 0.00002619 6.73 6.583/7.015 6.683 ± 0.4828
16 1342 1342/1342 1342 ± 0.00006091 3.676 3.527/3.914 3.73 ± 0.2652
17 1342 1342/1342 1342 ± 0.00006016 3.71 3.555/3.929 3.744 ± 0.2784
vis
VLASS2.1.sb38482214.eb38565046.59071.1506340625_split_split.ms
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2024-04-22 05:22:06.421
End
2024-04-22 06:08:59.008
Duration
0:46:52.587
Note, WebLog generation is not included in the time.

CASA logs for stage 7