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

Statwt Summary Plot

VLASS2.1.sb38464181.eb38625161.59091.97021673611_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 5.281 5.074/6.084 5.542 ± 0.6822
ea02 1342 1342/1342 1342 ± 0.00003992 6.198 5.161/6.815 5.972 ± 0.8381
ea04 1342 1342/1342 1342 ± 0.000003708 5.14 4.912/5.893 5.394 ± 0.6327
ea05 1342 1342/1342 1342 ± 0 5.294 5.157/6.408 5.714 ± 0.6936
ea06 1342 1342/1342 1342 ± 0.00001464 4.879 4.458/5.348 4.939 ± 0.5229
ea07 1342 1342/1342 1342 ± 0.00004359 5.766 5.345/6.271 5.791 ± 0.8476
ea08 1342 1342/1342 1342 ± 0.00003998 6.112 5.277/6.728 6.066 ± 0.9132
ea10 1342 1342/1342 1342 ± 0.00004365 5.481 5.048/6.661 5.751 ± 0.8828
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00002032 5.326 5.13/6.387 5.717 ± 0.8402
ea13 1342 1342/1342 1342 ± 0.000008746 5.869 5.521/6.307 6.005 ± 0.655
ea14 1342 1342/1342 1342 ± 0.00001384 5.335 5.067/6.352 5.653 ± 0.8125
ea15 1342 1342/1342 1342 ± 0.000005289 4.981 4.919/6.068 5.502 ± 0.7656
ea16 1342 1342/1342 1342 ± 0 5.787 5.37/6.79 6.033 ± 0.9386
ea17 1342 1342/1342 1342 ± 0.00004363 5.653 5.26/6.797 5.921 ± 0.8499
ea18 1342 1342/1342 1342 ± 0.00004157 4.799 4.697/5.596 5.04 ± 0.5904
ea19 1342 1342/1342 1342 ± 0.000007765 5.618 5.476/6.654 5.992 ± 0.7624
ea20 1342 1342/1342 1342 ± 0.00002726 5.683 5.464/6.772 6.003 ± 0.9016
ea21 1342 1342/1342 1342 ± 0.00001132 5.522 5.22/6.281 5.714 ± 0.7274
ea22 1342 1342/1342 1342 ± 0.00002443 5.375 5.095/6.488 5.728 ± 0.7497
ea23 1342 1342/1342 1342 ± 0.00004345 5.56 5.266/6.552 5.845 ± 0.9122
ea25 1342 1342/1342 1342 ± 0.00004363 5.201 4.827/6.183 5.512 ± 0.7818
ea26 1342 1342/1342 1342 ± 0.00001641 5.931 5.522/6.851 6.185 ± 0.798
ea27 1342 1342/1342 1342 ± 0.00004363 5.393 5.017/6.379 5.665 ± 0.7435
ea28 1342 1342/1342 1342 ± 0.00004363 5.393 5.265/6.505 5.776 ± 0.8636
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 ± 0.00002477 5.204 4.896/5.346 5.142 ± 0.2641
3 1342 1342/1342 1342 ± 0.00002455 4.963 4.789/5.091 4.962 ± 0.3145
6 1342 1342/1342 1342 ± 0.00002443 5.283 5.082/5.477 5.249 ± 0.2871
7 1342 1342/1342 1342 ± 0.00002443 5.276 5.095/5.487 5.26 ± 0.2627
8 1342 1342/1342 1342 ± 0.00002443 5.211 5.011/5.384 5.168 ± 0.2836
9 1342 1342/1342 1342 ± 0.0000263 5.375 5.164/5.6 5.384 ± 0.3098
10 1342 1342/1342 1342 ± 0.00002443 6.033 5.883/6.197 5.972 ± 0.3306
11 1342 1342/1342 1342 ± 0.00002443 6.295 6.086/6.419 6.21 ± 0.3435
12 1342 1342/1342 1342 ± 0.00002443 6.421 6.257/6.639 6.378 ± 0.3762
13 1342 1342/1342 1342 ± 0.00002443 6.826 6.669/7.136 6.803 ± 0.3888
14 1342 1342/1342 1342 ± 0.00002443 7.16 6.858/7.301 7.03 ± 0.4395
15 1342 1342/1342 1342 ± 0.00002443 6.718 6.388/6.846 6.571 ± 0.4702
16 1342 1342/1342 1342 ± 0.00006097 4.539 4.395/4.788 4.591 ± 0.2796
17 1342 1342/1342 1342 ± 0.00006073 4.784 4.609/5.083 4.847 ± 0.3401
output_dir
 
statwtmode
VLASS-SE
vis
VLASS2.1.sb38464181.eb38625161.59091.97021673611_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
Start time
2024-12-21 07:28:17.375
End
2024-12-21 08:32:14.007
Duration
1:03:56.632
Note, WebLog generation is not included in the time.

CASA logs for stage 8