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

Statwt Summary Plot

VLASS2.1.sb38625952.eb38714976.59133.44101303241_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 5.559 5.472/6.314 5.943 ± 0.5619
ea02 1342 1342/1342 1342 ± 0.00004262 6.128 5.817/6.797 6.301 ± 0.6438
ea03 1342 1342/1342 1342 ± 0 5.643 4.968/6.134 5.606 ± 0.6221
ea04 1342 1342/1342 1342 ± 0 5.59 5.416/6.217 5.849 ± 0.5271
ea05 1342 1342/1342 1342 ± 0 5.952 5.732/6.713 6.148 ± 0.5902
ea06 1342 1342/1342 1342 ± 0 5.082 4.907/5.582 5.237 ± 0.4119
ea07 1342 1342/1342 1342 ± 0.000002556 5.974 5.647/6.418 6.185 ± 0.6271
ea08 1342 1342/1342 1342 ± 0.000005933 6.139 5.851/6.927 6.39 ± 0.655
ea09 1342 1342/1342 1342 ± 0 6.032 5.431/6.671 6.093 ± 0.6233
ea10 1342 1342/1342 1342 ± 0 6.041 5.551/6.939 6.214 ± 0.7002
ea11 1342 1342/1342 1342 ± 0 5.776 5.446/6.67 6.088 ± 0.7171
ea12 1342 1342/1342 1342 ± 0 5.774 5.546/6.542 6.079 ± 0.6366
ea13 1342 1342/1342 1342 ± 0 6.432 5.923/6.63 6.397 ± 0.4937
ea15 1342 1342/1342 1342 ± 0 6.149 5.696/6.699 6.286 ± 0.6343
ea16 1342 1342/1342 1342 ± 0.000008905 6.216 5.913/6.971 6.455 ± 0.7315
ea17 1342 1342/1342 1342 ± 0.000002556 6.296 5.995/7.179 6.596 ± 0.6945
ea18 1342 1342/1342 1342 ± 0 4.935 4.833/5.651 5.194 ± 0.4766
ea19 1342 1342/1342 1342 ± 0 6.059 5.759/6.765 6.234 ± 0.5882
ea20 1342 1342/1342 1342 ± 0 5.874 5.685/6.694 6.151 ± 0.6359
ea21 1342 1342/1342 1342 ± 0 5.875 5.644/6.628 6.144 ± 0.6003
ea22 1342 1342/1342 1342 ± 0 5.858 5.428/6.344 5.85 ± 0.5701
ea23 1342 1342/1342 1342 ± 0 5.78 5.614/6.736 6.201 ± 0.744
ea24 1342 1342/1342 1342 ± 0.00002755 5.951 5.714/6.779 6.221 ± 0.5988
ea25 1342 1342/1342 1342 ± 0 5.609 5.433/6.433 5.936 ± 0.6185
ea26 1342 1342/1342 1342 ± 0 6.572 6.04/7.234 6.625 ± 0.6586
ea27 1342 1342/1342 1342 ± 0 5.71 5.477/6.542 5.974 ± 0.6138
ea28 1342 1342/1342 1342 ± 0 5.604 5.414/6.444 5.936 ± 0.6041
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 ± 0.00002308 5.572 5.392/5.782 5.535 ± 0.2962
4 1342 1342/1342 1342 ± 0.0000276 5.248 5.032/5.503 5.279 ± 0.358
5 1342 1342/1342 1342 ± 0.00002308 5.68 5.399/5.849 5.607 ± 0.3677
6 1342 1342/1342 1342 ± 0.00002308 5.58 5.38/5.743 5.52 ± 0.3195
7 1342 1342/1342 1342 ± 0.00002308 5.59 5.434/5.72 5.556 ± 0.2964
8 1342 1342/1342 1342 ± 0.00002308 5.538 5.341/5.664 5.486 ± 0.3316
9 1342 1342/1342 1342 ± 0.00002308 5.879 5.487/6.076 5.78 ± 0.3691
10 1342 1342/1342 1342 ± 0.00002308 6.254 6.022/6.447 6.201 ± 0.3488
11 1342 1342/1342 1342 ± 0.00002308 6.525 6.32/6.673 6.44 ± 0.3572
12 1342 1342/1342 1342 ± 0.00002308 6.644 6.422/6.787 6.592 ± 0.3971
13 1342 1342/1342 1342 ± 0.00002308 7.121 6.905/7.235 7.048 ± 0.4232
14 1342 1342/1342 1342 ± 0.00002308 7.282 7.022/7.509 7.22 ± 0.4543
15 1342 1342/1342 1342 ± 0.00002308 6.763 6.552/7.072 6.741 ± 0.4526
16 1342 1342/1342 1342 ± 0.00002902 5.675 5.389/5.924 5.68 ± 0.4283
17 1342 1342/1342 1342 ± 0.00002677 5.886 5.529/6.149 5.837 ± 0.4508
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS2.1.sb38625952.eb38714976.59133.44101303241_split_split.ms
output_dir
 
Start time
2025-01-11 11:11:37.092
End
2025-01-11 12:33:04.670
Duration
1:21:27.578
Note, WebLog generation is not included in the time.

CASA logs for stage 8