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

Statwt Summary Plot

VLASS2.1.sb38504727.eb38659863.59113.352947384265_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 6.256 5.689/6.742 6.141 ± 0.6219
ea02 1342 1342/1342 1342 ± 0.00004028 6.145 5.349/6.851 6.048 ± 0.7135
ea04 1342 1342/1342 1342 ± 0.00003055 5.677 5.333/6.198 5.81 ± 0.5735
ea05 1342 1342/1342 1342 ± 0.0000111 6.023 5.355/6.561 5.935 ± 0.6923
ea06 1342 1342/1342 1342 ± 0.00003286 5.717 5.033/5.861 5.477 ± 0.5216
ea07 1342 1342/1342 1342 ± 0.00003056 6.34 5.638/6.898 6.231 ± 0.6108
ea08 1342 1342/1342 1342 ± 0.00003032 6.699 5.608/7.09 6.329 ± 0.7732
ea09 1342 1342/1342 1342 ± 0.00002773 5.551 5.4/6.693 6.006 ± 0.7141
ea10 1342 1342/1342 1342 ± 0.0000315 6.692 5.722/7.059 6.399 ± 0.73
ea11 1342 1342/1342 1342 ± 0.00002972 6.721 5.68/6.987 6.444 ± 0.7888
ea12 1342 1342/1342 1342 ± 0.00002291 6.293 5.717/7.024 6.316 ± 0.7081
ea13 1342 1342/1342 1342 ± 0.00002104 6.282 5.604/6.639 6.145 ± 0.6371
ea14 1342 1342/1342 1342 ± 0.00002689 5.938 5.215/6.723 5.896 ± 0.7173
ea15 1342 1342/1342 1342 ± 0.00002928 5.644 5.563/6.655 6.092 ± 0.7321
ea16 1342 1342/1342 1342 ± 0.00001377 5.914 5.533/6.967 6.24 ± 0.917
ea17 1342 1342/1342 1342 ± 0.0000296 6.523 6.078/7.459 6.635 ± 0.7915
ea18 1342 1342/1342 1342 ± 0.00003088 5.5 5.175/6.084 5.656 ± 0.5077
ea19 1342 1342/1342 1342 ± 0.00001095 6.011 5.763/6.811 6.248 ± 0.6849
ea20 1342 1342/1342 1342 ± 0.00002859 6.272 6.035/7.244 6.594 ± 0.7611
ea21 1342 1342/1342 1342 ± 0.00002225 6.22 5.564/6.517 6.031 ± 0.6517
ea22 1342 1342/1342 1342 ± 0.00003153 5.288 5.122/6.83 5.785 ± 0.8149
ea23 1342 1342/1342 1342 ± 0.00002171 6.137 5.533/6.899 6.117 ± 0.7056
ea25 1342 1342/1342 1342 ± 0.00002295 6.502 5.788/6.773 6.327 ± 0.6492
ea26 1342 1342/1342 1342 ± 0.00002739 6.055 5.88/6.931 6.337 ± 0.6702
ea27 1342 1342/1342 1342 ± 0.00003041 5.962 5.81/6.909 6.271 ± 0.662
ea28 1342 1342/1342 1342 ± 0.00002954 6.147 5.795/6.891 6.368 ± 0.7075
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 ± 0.0000235 5.678 5.388/5.929 5.639 ± 0.3636
5 1342 1342/1342 1342 ± 0.00004071 5.477 5.337/5.665 5.52 ± 0.2485
6 1342 1342/1342 1342 ± 0.00002395 5.585 5.355/5.809 5.579 ± 0.254
7 1342 1342/1342 1342 ± 0.0000235 5.581 5.403/5.769 5.577 ± 0.286
8 1342 1342/1342 1342 ± 0.0000235 5.548 5.342/5.667 5.532 ± 0.3154
9 1342 1342/1342 1342 ± 0.00002405 5.766 5.521/5.957 5.761 ± 0.2894
10 1342 1342/1342 1342 ± 0.0000235 6.282 6.054/6.436 6.269 ± 0.3049
11 1342 1342/1342 1342 ± 0.0000235 6.542 6.341/6.749 6.505 ± 0.31
12 1342 1342/1342 1342 ± 0.00002395 6.682 6.484/6.91 6.653 ± 0.3539
13 1342 1342/1342 1342 ± 0.0000235 7.101 6.891/7.259 7.088 ± 0.343
14 1342 1342/1342 1342 ± 0.0000235 7.337 7.063/7.487 7.264 ± 0.362
15 1342 1342/1342 1342 ± 0.00002548 6.931 6.743/7.082 6.849 ± 0.3909
16 1342 1342/1342 1342 ± 0.00005978 5.019 4.912/5.118 5.014 ± 0.163
17 1342 1342/1342 1342 ± 0.00005627 5.192 5.035/5.334 5.191 ± 0.202
vis
VLASS2.1.sb38504727.eb38659863.59113.352947384265_split_split.ms
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-01-07 01:11:53.032
End
2025-01-07 01:58:59.413
Duration
0:47:06.381
Note, WebLog generation is not included in the time.

CASA logs for stage 8