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

Statwt Summary Plot

VLASS2.1.sb38625952.eb38714976.59133.44101303241_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 5.549 5.412/6.305 5.893 ± 0.6011
ea02 1342 1342/1342 1342 ± 0.00004209 6.156 5.781/6.84 6.287 ± 0.6697
ea03 1342 1342/1342 1342 ± 0 5.68 4.973/6.16 5.621 ± 0.6312
ea04 1342 1342/1342 1342 ± 0 5.603 5.396/6.236 5.823 ± 0.5456
ea05 1342 1342/1342 1342 ± 0 5.917 5.7/6.734 6.129 ± 0.6059
ea06 1342 1342/1342 1342 ± 0 4.993 4.872/5.56 5.202 ± 0.4144
ea07 1342 1342/1342 1342 ± 0.000004895 5.914 5.636/6.452 6.133 ± 0.6906
ea08 1342 1342/1342 1342 ± 0.000005532 6.154 5.725/6.969 6.341 ± 0.704
ea09 1342 1342/1342 1342 ± 0 6.104 5.487/6.674 6.118 ± 0.6263
ea10 1342 1342/1342 1342 ± 0.00001386 5.919 5.528/6.95 6.149 ± 0.7379
ea11 1342 1342/1342 1342 ± 0 5.797 5.394/6.69 6.032 ± 0.7817
ea12 1342 1342/1342 1342 ± 0 5.71 5.521/6.583 6.041 ± 0.6761
ea13 1342 1342/1342 1342 ± 0 6.479 5.9/6.692 6.397 ± 0.5158
ea15 1342 1342/1342 1342 ± 0 6.062 5.688/6.725 6.255 ± 0.6592
ea16 1342 1342/1342 1342 ± 0.0000169 6.187 5.888/6.983 6.417 ± 0.7586
ea17 1342 1342/1342 1342 ± 0.00001348 6.248 5.968/7.267 6.554 ± 0.7346
ea18 1342 1342/1342 1342 ± 0 4.96 4.844/5.727 5.224 ± 0.5032
ea19 1342 1342/1342 1342 ± 0 6.121 5.765/6.807 6.245 ± 0.6039
ea20 1342 1342/1342 1342 ± 0 5.905 5.628/6.707 6.146 ± 0.6689
ea21 1342 1342/1342 1342 ± 0.000001164 5.867 5.643/6.636 6.118 ± 0.6146
ea22 1342 1342/1342 1342 ± 0 5.912 5.215/6.361 5.819 ± 0.6027
ea23 1342 1342/1342 1342 ± 0 5.722 5.559/6.725 6.184 ± 0.7519
ea24 1342 1342/1342 1342 ± 0.00001407 5.962 5.678/6.816 6.197 ± 0.6472
ea25 1342 1342/1342 1342 ± 0.000001164 5.555 5.403/6.466 5.93 ± 0.638
ea26 1342 1342/1342 1342 ± 0 6.591 6.027/7.252 6.611 ± 0.684
ea27 1342 1342/1342 1342 ± 0.00001519 5.724 5.456/6.572 5.965 ± 0.6394
ea28 1342 1342/1342 1342 ± 0.000001676 5.611 5.448/6.477 5.955 ± 0.6048
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 ± 0.0000231 5.534 5.358/5.741 5.493 ± 0.2889
4 1342 1342/1342 1342 ± 0.00003798 5.118 4.912/5.352 5.139 ± 0.3165
5 1342 1342/1342 1342 ± 0.00002317 5.664 5.436/5.862 5.621 ± 0.3745
6 1342 1342/1342 1342 ± 0.0000231 5.576 5.369/5.754 5.5 ± 0.3147
7 1342 1342/1342 1342 ± 0.0000231 5.575 5.45/5.718 5.55 ± 0.2942
8 1342 1342/1342 1342 ± 0.0000231 5.539 5.333/5.656 5.482 ± 0.332
9 1342 1342/1342 1342 ± 0.0000231 5.793 5.509/6.102 5.777 ± 0.3689
10 1342 1342/1342 1342 ± 0.0000231 6.288 6.035/6.477 6.224 ± 0.3553
11 1342 1342/1342 1342 ± 0.0000231 6.549 6.324/6.698 6.462 ± 0.361
12 1342 1342/1342 1342 ± 0.0000231 6.663 6.459/6.808 6.614 ± 0.3977
13 1342 1342/1342 1342 ± 0.0000231 7.141 6.934/7.258 7.065 ± 0.423
14 1342 1342/1342 1342 ± 0.0000231 7.308 7.044/7.524 7.236 ± 0.4562
15 1342 1342/1342 1342 ± 0.0000231 6.778 6.575/7.092 6.768 ± 0.4469
16 1342 1342/1342 1342 ± 0.00002819 5.74 5.48/5.971 5.716 ± 0.4485
17 1342 1342/1342 1342 ± 0.00002398 5.87 5.56/6.153 5.857 ± 0.4712
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
vis
VLASS2.1.sb38625952.eb38714976.59133.44101303241_split_split.ms
Start time
2025-01-11 10:01:06.100
End
2025-01-11 11:15:48.185
Duration
1:14:42.086
Note, WebLog generation is not included in the time.

CASA logs for stage 8