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

Statwt Summary Plot

VLASS2.1.sb38538105.eb38585498.59082.21856813657_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 5.558 5.207/6.022 5.623 ± 0.4507
ea02 1342 1342/1342 1342 ± 0 6.108 5.595/6.463 6.084 ± 0.5314
ea04 1342 1342/1342 1342 ± 0 5.365 5.085/5.934 5.52 ± 0.4859
ea05 1342 1342/1342 1342 ± 0 5.563 5.344/6.061 5.801 ± 0.5338
ea06 1342 1342/1342 1342 ± 0 4.845 4.778/5.305 4.995 ± 0.3243
ea07 1342 1342/1342 1342 ± 0.00000649 5.71 5.552/6.121 5.828 ± 0.4236
ea08 1342 1342/1342 1342 ± 0.000007823 5.999 5.615/6.567 6.066 ± 0.525
ea09 1342 1342/1342 1342 ± 0 5.687 5.272/6.327 5.791 ± 0.5989
ea10 1342 1342/1342 1342 ± 0.000007397 5.63 5.167/6.145 5.671 ± 0.5408
ea11 1342 1342/1342 1342 ± 0.000007309 5.827 5.223/6.141 5.786 ± 0.5308
ea12 1342 1342/1342 1342 ± 0 5.535 5.386/6.415 5.881 ± 0.5506
ea13 1342 1342/1342 1342 ± 0 6.114 5.907/6.484 6.213 ± 0.3988
ea14 1342 1342/1342 1342 ± 0 5.721 5.368/6.159 5.853 ± 0.5609
ea15 1342 1342/1342 1342 ± 0 5.575 5.134/6.221 5.697 ± 0.6023
ea16 1342 1342/1342 1342 ± 0 6.043 5.77/6.357 6.149 ± 0.5443
ea17 1342 1342/1342 1342 ± 0.00002216 5.828 5.499/6.256 5.917 ± 0.5385
ea18 1342 1342/1342 1342 ± 0 5.053 4.841/5.588 5.188 ± 0.452
ea19 1342 1342/1342 1342 ± 0 5.789 5.617/6.439 6.094 ± 0.5136
ea20 1342 1342/1342 1342 ± 0 6.324 5.692/6.64 6.236 ± 0.5708
ea21 1342 1342/1342 1342 ± 0 5.616 5.431/6.12 5.766 ± 0.472
ea22 1342 1342/1342 1342 ± 0 5.877 5.408/6.423 5.927 ± 0.5773
ea25 1342 1342/1342 1342 ± 0.000008148 5.516 5.126/5.878 5.586 ± 0.5083
ea26 1342 1342/1342 1342 ± 0 6.143 5.717/6.693 6.239 ± 0.5513
ea27 1342 1342/1342 1342 ± 0.00003849 5.574 5.141/6.029 5.653 ± 0.5189
ea28 1342 1342/1342 1342 ± 0.0000214 5.767 5.274/6.224 5.763 ± 0.5388
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 ± 0.00002822 5.264 5.139/5.556 5.319 ± 0.2729
4 1342 1342/1342 1342 ± 0.00002658 5.303 5.067/5.685 5.352 ± 0.3888
5 1342 1342/1342 1342 ± 0.0000263 5.37 5.122/5.578 5.388 ± 0.3447
6 1342 1342/1342 1342 ± 0.00002566 5.282 5.164/5.545 5.32 ± 0.2956
7 1342 1342/1342 1342 ± 0.00002518 5.352 5.197/5.503 5.36 ± 0.2742
8 1342 1342/1342 1342 ± 0.00002481 5.32 5.124/5.521 5.315 ± 0.2807
9 1342 1342/1342 1342 ± 0.0000247 5.617 5.428/5.895 5.588 ± 0.3292
10 1342 1342/1342 1342 ± 0.00002486 6.112 5.834/6.231 6.008 ± 0.3302
11 1342 1342/1342 1342 ± 0.00002459 6.296 6.164/6.463 6.247 ± 0.3376
12 1342 1342/1342 1342 ± 0.00002459 6.467 6.223/6.602 6.409 ± 0.3594
13 1342 1342/1342 1342 ± 0.0000246 6.915 6.755/7.048 6.841 ± 0.3725
15 1342 1342/1342 1342 ± 0.00003232 6.232 6.014/6.558 6.287 ± 0.3463
16 1342 1342/1342 1342 ± 0.00003129 6.149 5.753/6.33 6.055 ± 0.391
17 1342 1342/1342 1342 ± 0.00002861 6.056 5.826/6.389 6.071 ± 0.3719
vis
VLASS2.1.sb38538105.eb38585498.59082.21856813657_split_split.ms
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-03-31 13:32:50.638
End
2025-03-31 14:34:38.005
Duration
1:01:47.368
Note, WebLog generation is not included in the time.

CASA logs for stage 8