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

Statwt Summary Plot

VLASS2.1.sb38452360.eb38575738.59077.463367233795_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 5.356 5.256/5.977 5.375 ± 0.8895
ea02 1342 1342/1342 1342 ± 0.00004329 5.85 5.366/6.448 5.678 ± 1.037
ea04 1342 1342/1342 1342 ± 0.00002506 5.471 4.979/6.086 5.373 ± 0.878
ea05 1342 1342/1342 1342 ± 0.00002037 5.425 5.064/6.395 5.579 ± 0.812
ea06 1342 1342/1342 1342 ± 0.00003698 4.794 4.673/5.365 4.799 ± 0.7272
ea07 1342 1342/1342 1342 ± 0.00004277 5.861 5.364/6.283 5.626 ± 0.9678
ea08 1342 1342/1342 1342 ± 0.00004372 5.789 5.53/6.806 5.844 ± 1.121
ea09 1342 1342/1342 1342 ± 0.000008425 5.599 5.016/6.097 5.423 ± 0.8016
ea10 1342 1342/1342 1342 ± 0.00004401 5.573 5.139/6.225 5.48 ± 0.976
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00003998 5.46 5.259/6.571 5.631 ± 1.105
ea13 1342 1342/1342 1342 ± 0.00001802 5.774 5.553/6.413 5.798 ± 0.8505
ea14 1342 1342/1342 1342 ± 0.00000865 5.694 5.237/6.647 5.716 ± 1.056
ea15 1342 1342/1342 1342 ± 0.00001123 5.422 5.155/6.261 5.524 ± 0.9956
ea16 1342 1342/1342 1342 ± 0.00002628 5.834 5.48/6.654 5.762 ± 1.073
ea17 1342 1342/1342 1342 ± 0.00004511 5.933 5.389/6.57 5.802 ± 1.079
ea18 1342 1342/1342 1342 ± 0.00004276 4.981 4.623/5.817 4.997 ± 0.8463
ea19 1342 1342/1342 1342 ± 0.000001679 5.685 5.384/6.694 5.841 ± 0.8857
ea20 1342 1342/1342 1342 ± 0.00004297 5.914 5.776/7.035 5.979 ± 1.241
ea21 1342 1342/1342 1342 ± 0.00001651 5.495 5.313/6.353 5.586 ± 0.8924
ea22 1342 1342/1342 1342 ± 0.00004012 5.363 5.106/6.168 5.386 ± 0.9269
ea23 1342 1342/1342 1342 ± 0.0000424 5.698 5.469/6.669 5.776 ± 1.071
ea25 1342 1342/1342 1342 ± 0.00004391 5.596 5.278/6.229 5.488 ± 0.962
ea27 1342 1342/1342 1342 ± 0.00004453 5.59 5.18/6.368 5.521 ± 0.9895
ea28 1342 1342/1342 1342 ± 0.00004608 5.644 5.416/6.52 5.659 ± 1.048
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 ± 0.00002439 5.501 5.299/5.657 5.456 ± 0.2632
3 1342 1342/1342 1342 ± 0.00003998 5.421 5.135/5.75 5.434 ± 0.4788
5 1342 1342/1342 1342 ± 0.00002529 5.317 5.146/5.46 5.289 ± 0.293
6 1342 1342/1342 1342 ± 0.00002439 5.319 5.137/5.42 5.279 ± 0.2723
7 1342 1342/1342 1342 ± 0.00002439 5.328 5.162/5.477 5.31 ± 0.2613
8 1342 1342/1342 1342 ± 0.00002439 5.347 5.154/5.47 5.293 ± 0.2881
9 1342 1342/1342 1342 ± 0.00002439 5.608 5.406/5.807 5.56 ± 0.3271
10 1342 1342/1342 1342 ± 0.00002439 6.092 5.854/6.193 6.012 ± 0.3246
11 1342 1342/1342 1342 ± 0.00002439 6.292 6.175/6.498 6.286 ± 0.3424
12 1342 1342/1342 1342 ± 0.00002439 6.499 6.329/6.678 6.477 ± 0.3502
13 1342 1342/1342 1342 ± 0.00002452 6.699 6.42/7.004 6.672 ± 0.404
14 1342 1342/1342 1342 ± 0.00003921 6.4 5.963/6.819 6.384 ± 0.5229
15 1342 1342/1342 1342 ± 0.00002452 6.789 6.601/7.023 6.712 ± 0.4932
16 1342 1342/1342 1342 ± 0.00005696 3.527 3.366/3.711 3.567 ± 0.2982
17 1342 1342/1342 1342 ± 0.00005851 3.558 3.393/3.797 3.625 ± 0.3576
vis
VLASS2.1.sb38452360.eb38575738.59077.463367233795_split_split.ms
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-01-16 01:34:22.977
End
2025-01-16 01:57:55.285
Duration
0:23:32.308
Note, WebLog generation is not included in the time.

CASA logs for stage 8