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

Statwt Summary Plot

VLASS2.1.sb38487128.eb38624732.59090.114586261574_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 5.381 5.301/6.062 5.552 ± 0.6106
ea02 1342 1342/1342 1342 ± 0.0000415 5.831 5.377/6.638 5.863 ± 0.8239
ea04 1342 1342/1342 1342 ± 0 5.309 5.112/6.076 5.524 ± 0.6397
ea05 1342 1342/1342 1342 ± 0.00001591 5.66 5.144/6.492 5.788 ± 0.6857
ea06 1342 1342/1342 1342 ± 0 5.234 4.82/5.36 5.006 ± 0.5874
ea07 1342 1342/1342 1342 ± 0.0000415 5.926 5.478/6.319 5.91 ± 0.7417
ea08 1342 1342/1342 1342 ± 0.0000415 5.963 5.554/6.753 6.03 ± 0.8258
ea09 1342 1342/1342 1342 ± 0 5.518 5.247/6.5 5.658 ± 0.7617
ea10 1342 1342/1342 1342 ± 0.0000415 5.545 5.238/6.673 5.809 ± 0.7996
ea11 1342 1342/1342 1342 ± 0.00003233 5.526 5.135/6.367 5.668 ± 0.794
ea12 1342 1342/1342 1342 ± 0.00000111 5.656 5.375/6.581 5.853 ± 0.8267
ea13 1342 1342/1342 1342 ± 0 5.958 5.788/6.425 6.046 ± 0.698
ea14 1342 1342/1342 1342 ± 0.00001008 5.568 5.354/6.579 5.895 ± 0.7247
ea15 1342 1342/1342 1342 ± 0 5.277 5.021/6.186 5.576 ± 0.7564
ea16 1342 1342/1342 1342 ± 0.00002407 6.013 5.62/6.883 6.184 ± 0.8488
ea17 1342 1342/1342 1342 ± 0.00004157 5.821 5.589/6.918 5.961 ± 0.8192
ea18 1342 1342/1342 1342 ± 0.00002533 4.91 4.685/5.661 5.053 ± 0.5897
ea19 1342 1342/1342 1342 ± 0.00001083 5.825 5.557/6.759 6.069 ± 0.7333
ea20 1342 1342/1342 1342 ± 0.000004961 5.89 5.722/6.811 6.059 ± 0.8619
ea21 1342 1342/1342 1342 ± 0.00002089 5.631 5.404/6.375 5.794 ± 0.6719
ea22 1342 1342/1342 1342 ± 0.0000339 5.458 5.228/6.5 5.647 ± 0.8096
ea23 1342 1342/1342 1342 ± 0.00004036 5.665 5.573/6.664 6.014 ± 0.8381
ea25 1342 1342/1342 1342 ± 0.00004131 5.286 5.183/6.271 5.558 ± 0.7458
ea26 1342 1342/1342 1342 ± 0 5.799 5.617/6.915 6.082 ± 0.808
ea27 1342 1342/1342 1342 ± 0.00004209 5.442 5.148/6.449 5.637 ± 0.7115
ea28 1342 1342/1342 1342 ± 0.00004223 5.653 5.438/6.568 5.821 ± 0.7633
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 ± 0.00002395 5.561 5.32/5.802 5.563 ± 0.2597
3 1342 1342/1342 1342 ± 0.00002395 5.524 5.282/5.678 5.468 ± 0.2902
5 1342 1342/1342 1342 ± 0.00002395 5.512 5.276/5.615 5.464 ± 0.3109
6 1342 1342/1342 1342 ± 0.00002395 5.431 5.279/5.569 5.409 ± 0.2747
7 1342 1342/1342 1342 ± 0.00002395 5.4 5.228/5.564 5.403 ± 0.2451
8 1342 1342/1342 1342 ± 0.00002395 5.406 5.155/5.546 5.374 ± 0.2448
9 1342 1342/1342 1342 ± 0.00002395 5.762 5.502/5.902 5.664 ± 0.3015
10 1342 1342/1342 1342 ± 0.0000235 6.087 5.912/6.263 6.028 ± 0.3377
11 1342 1342/1342 1342 ± 0.0000235 6.33 6.219/6.487 6.284 ± 0.3494
12 1342 1342/1342 1342 ± 0.0000235 6.523 6.323/6.668 6.461 ± 0.3756
13 1342 1342/1342 1342 ± 0.0000235 6.892 6.698/7.111 6.835 ± 0.3967
14 1342 1342/1342 1342 ± 0.00002526 6.97 6.716/7.23 6.914 ± 0.4652
15 1342 1342/1342 1342 ± 0.0000235 6.83 6.533/7.042 6.74 ± 0.4873
16 1342 1342/1342 1342 ± 0.00006103 4.528 4.368/4.728 4.542 ± 0.2664
17 1342 1342/1342 1342 ± 0.00006071 4.538 4.39/4.709 4.549 ± 0.2529
datacolumn
residual_data
vis
VLASS2.1.sb38487128.eb38624732.59090.114586261574_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
Start time
2024-04-17 10:39:06.752
End
2024-04-17 11:53:59.927
Duration
1:14:53.175
Note, WebLog generation is not included in the time.

CASA logs for stage 7