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

Statwt Summary Plot

VLASS2.1.sb38667356.eb38705720.59131.46099141204_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 5.453 5.396/6.22 5.785 ± 0.6185
ea02 1342 1342/1342 1342 ± 0.0000415 5.847 5.515/6.658 6.078 ± 0.6928
ea03 1342 1342/1342 1342 ± 0.000008739 5.479 4.915/6.149 5.554 ± 0.6275
ea04 1342 1342/1342 1342 ± 0 5.678 5.255/6.213 5.742 ± 0.5653
ea05 1342 1342/1342 1342 ± 0 6.134 5.507/6.593 5.955 ± 0.7016
ea06 1342 1342/1342 1342 ± 0 4.806 4.568/4.881 4.72 ± 0.2382
ea07 1342 1342/1342 1342 ± 0 6.11 5.604/6.412 6.142 ± 0.6201
ea08 1342 1342/1342 1342 ± 0.00001874 5.924 5.627/6.832 6.177 ± 0.7379
ea09 1342 1342/1342 1342 ± 0.00001558 5.86 5.359/6.646 5.923 ± 0.7277
ea10 1342 1342/1342 1342 ± 0 6 5.453/6.812 6.082 ± 0.6993
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.981 5.363/6.405 5.95 ± 0.692
ea13 1342 1342/1342 1342 ± 0.00001403 6.085 5.934/6.58 6.241 ± 0.6955
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 1342 1342/1342 1342 ± 0 6.089 5.527/6.519 6.092 ± 0.6805
ea16 1342 1342/1342 1342 ± 0 6.385 5.834/6.972 6.416 ± 0.806
ea17 1342 1342/1342 1342 ± 0 6.582 5.941/7.198 6.583 ± 0.6744
ea18 1342 1342/1342 1342 ± 0 5.091 4.705/5.542 5.133 ± 0.5118
ea19 1342 1342/1342 1342 ± 0 6.191 5.542/6.687 6.124 ± 0.6218
ea20 1342 1342/1342 1342 ± 0 6.011 5.541/6.653 6.028 ± 0.6915
ea21 1342 1342/1342 1342 ± 0 6.038 5.582/6.564 6.047 ± 0.6345
ea22 1342 1342/1342 1342 ± 0.00001921 5.512 5.393/6.426 5.855 ± 0.6248
ea23 1342 1342/1342 1342 ± 0 6.235 5.65/6.692 6.209 ± 0.692
ea24 1342 1342/1342 1342 ± 0.00002054 5.844 5.594/6.773 6.058 ± 0.7284
ea25 1342 1342/1342 1342 ± 0 5.785 5.385/6.298 5.848 ± 0.6124
ea26 1342 1342/1342 1342 ± 0.0000131 6.123 5.836/7.189 6.382 ± 0.7675
ea27 1342 1342/1342 1342 ± 0 5.692 5.481/6.539 5.9 ± 0.63
ea28 1342 1342/1342 1342 ± 0.00001606 5.516 5.313/6.344 5.755 ± 0.666
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 ± 0.00002361 5.535 5.324/5.654 5.458 ± 0.2918
4 1342 1342/1342 1342 ± 0.00002574 4.764 4.512/4.899 4.707 ± 0.2594
5 1342 1342/1342 1342 ± 0.00002361 5.458 5.286/5.676 5.463 ± 0.3402
6 1342 1342/1342 1342 ± 0.00002361 5.487 5.312/5.655 5.433 ± 0.3248
7 1342 1342/1342 1342 ± 0.00002361 5.5 5.355/5.601 5.456 ± 0.3022
8 1342 1342/1342 1342 ± 0.00002361 5.41 5.237/5.583 5.379 ± 0.3328
9 1342 1342/1342 1342 ± 0.00002361 5.651 5.451/6.008 5.665 ± 0.3716
10 1342 1342/1342 1342 ± 0.00002406 6.185 5.987/6.391 6.169 ± 0.3396
11 1342 1342/1342 1342 ± 0.00002406 6.483 6.258/6.583 6.396 ± 0.3272
12 1342 1342/1342 1342 ± 0.00002406 6.575 6.403/6.692 6.561 ± 0.3583
13 1342 1342/1342 1342 ± 0.00002406 6.994 6.802/7.073 6.961 ± 0.3608
14 1342 1342/1342 1342 ± 0.00002406 7.152 6.951/7.401 7.157 ± 0.3866
15 1342 1342/1342 1342 ± 0.00002406 6.752 6.592/6.993 6.746 ± 0.3614
16 1342 1342/1342 1342 ± 0.00003805 6.038 5.708/6.258 6.018 ± 0.4055
17 1342 1342/1342 1342 ± 0.00002942 6.039 5.815/6.26 6.048 ± 0.3888
overwrite_modelcol
False
statwtmode
VLASS-SE
datacolumn
residual_data
vis
VLASS2.1.sb38667356.eb38705720.59131.46099141204_split_split.ms
output_dir
 
Start time
2025-01-11 02:19:55.870
End
2025-01-11 03:18:07.494
Duration
0:58:11.624
Note, WebLog generation is not included in the time.

CASA logs for stage 8