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

Statwt Summary Plot

VLASS2.1.sb38726305.eb38809014.59142.09063322916_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 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea02 1342 1342/1342 1342 ± 0 5.82 5.305/6.594 5.831 ± 0.8612
ea03 1342 1342/1342 1342 ± 0.00002965 5.039 4.647/6.033 5.205 ± 0.7608
ea04 1342 1342/1342 1342 ± 0.00003105 5.437 5.052/6.137 5.384 ± 0.8608
ea05 1342 1342/1342 1342 ± 0.00001938 4.84 4.5/5.471 4.973 ± 0.6539
ea06 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea07 1342 1342/1342 1342 ± 0.0000268 5.774 5.342/6.231 5.808 ± 0.8292
ea08 1342 1342/1342 1342 ± 0.00003874 5.992 5.5/6.769 5.988 ± 0.9227
ea09 1342 1342/1342 1342 ± 0.00004229 5.601 5.106/6.488 5.595 ± 0.838
ea10 1342 1342/1342 1342 ± 0.00003156 5.875 5.215/6.731 5.853 ± 0.9383
ea11 1342 1342/1342 1342 ± 0.00003932 5.837 5.118/6.607 5.724 ± 0.9644
ea12 1342 1342/1342 1342 ± 0.00004155 5.641 5.298/6.497 5.677 ± 0.9203
ea13 1342 1342/1342 1342 ± 0.00003121 5.806 5.68/6.377 5.878 ± 0.8064
ea14 1342 1342/1342 1342 ± 0.00003071 5.594 5.118/6.511 5.747 ± 0.8882
ea15 1342 1342/1342 1342 ± 0.000005334 2.462 2.272/2.838 2.554 ± 0.406
ea16 1342 1342/1342 1342 ± 0.00003001 5.808 5.443/6.815 5.99 ± 1.019
ea17 1342 1342/1342 1342 ± 0.00003749 6.102 5.689/7.309 6.2 ± 1.011
ea18 1342 1342/1342 1342 ± 0.0000408 4.831 4.623/5.547 4.873 ± 0.6473
ea19 1342 1342/1342 1342 ± 0.00003 5.493 5.265/6.362 5.672 ± 0.8527
ea20 1342 1342/1342 1342 ± 0.00004058 5.839 5.567/6.967 6.006 ± 1.034
ea21 1342 1342/1342 1342 ± 0.00002619 5.541 5.217/6.421 5.636 ± 0.8907
ea23 1342 1342/1342 1342 ± 0.00002701 5.844 5.473/6.698 5.987 ± 0.9488
ea24 1342 1342/1342 1342 ± 0.00004141 5.566 5.282/6.43 5.635 ± 0.8661
ea25 1342 1342/1342 1342 ± 0.00003709 5.52 5.194/6.386 5.584 ± 0.8064
ea26 1342 1342/1342 1342 ± 0.0000325 5.772 5.477/6.866 5.907 ± 0.9339
ea27 1342 1342/1342 1342 ± 0.00003632 5.42 5.056/6.471 5.618 ± 0.8278
ea28 1342 1342/1342 1342 ± 0.00003722 5.341 5.089/6.231 5.513 ± 0.752
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 ± 0.00002393 5.321 5.164/5.569 5.239 ± 0.6213
5 1342 1342/1342 1342 ± 0.00002451 5.297 5.056/5.44 5.173 ± 0.6789
6 1342 1342/1342 1342 ± 0.00002393 5.268 5.064/5.48 5.128 ± 0.6495
7 1342 1342/1342 1342 ± 0.00002393 5.274 5.161/5.482 5.168 ± 0.6526
8 1342 1342/1342 1342 ± 0.00002393 5.302 5.081/5.442 5.148 ± 0.6672
9 1342 1342/1342 1342 ± 0.00002393 5.571 5.285/5.808 5.416 ± 0.7188
10 1342 1342/1342 1342 ± 0.00002393 6.054 5.723/6.177 5.824 ± 0.7777
11 1342 1342/1342 1342 ± 0.00002393 6.346 6.087/6.449 6.119 ± 0.7715
12 1342 1342/1342 1342 ± 0.00002393 6.507 6.23/6.666 6.337 ± 0.8033
13 1342 1342/1342 1342 ± 0.00002393 6.844 6.575/6.954 6.661 ± 0.7892
14 1342 1342/1342 1342 ± 0.00002393 6.844 6.484/7.074 6.654 ± 0.8265
15 1342 1342/1342 1342 ± 0.00002393 6.646 6.285/6.966 6.472 ± 0.8892
16 1342 1342/1342 1342 ± 0.0000561 3.943 3.792/4.084 3.853 ± 0.4745
17 1342 1342/1342 1342 ± 0.00005664 4.022 3.844/4.223 3.956 ± 0.4819
statwtmode
VLASS-SE
vis
VLASS2.1.sb38726305.eb38809014.59142.09063322916_split_split.ms
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-02-07 00:57:16.606
End
2025-02-07 01:28:26.144
Duration
0:31:09.538
Note, WebLog generation is not included in the time.

CASA logs for stage 8