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

Statwt Summary Plot

VLASS2.1.sb38520431.eb38554942.59063.924480127316_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 5.509 5.386/5.896 5.646 ± 0.4314
ea02 1342 1342/1342 1342 ± 0 5.881 5.447/6.247 5.909 ± 0.5017
ea04 1342 1342/1342 1342 ± 0 5.566 5.295/6.137 5.719 ± 0.4765
ea05 1342 1342/1342 1342 ± 0 5.836 5.423/6.193 5.833 ± 0.4937
ea06 1342 1342/1342 1342 ± 0 2.954 2.86/3.176 3.027 ± 0.1956
ea07 1342 1342/1342 1342 ± 0 5.608 5.486/5.803 5.639 ± 0.2066
ea08 1342 1342/1342 1342 ± 0 5.917 5.581/6.512 6.051 ± 0.5634
ea09 1342 1342/1342 1342 ± 0 5.006 4.882/5.472 5.184 ± 0.3431
ea10 1342 1342/1342 1342 ± 0 5.632 5.389/6.315 5.802 ± 0.5201
ea11 1342 1342/1342 1342 ± 0.000002109 5.816 5.585/6.398 5.995 ± 0.4966
ea12 1342 1342/1342 1342 ± 0 5.975 5.503/6.337 6.02 ± 0.4958
ea13 1342 1342/1342 1342 ± 0 6.001 5.68/6.136 5.994 ± 0.3982
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea16 1342 1342/1342 1342 ± 0 5.079 4.876/5.193 5.078 ± 0.3033
ea17 1342 1342/1342 1342 ± 0.000007687 6.091 5.803/6.523 6.235 ± 0.5221
ea18 1342 1342/1342 1342 ± 0 5.226 4.975/5.687 5.323 ± 0.4017
ea19 1342 1342/1342 1342 ± 0 6.515 6.232/6.757 6.565 ± 0.3469
ea21 1342 1342/1342 1342 ± 0 5.707 5.443/6.254 5.864 ± 0.491
ea22 1342 1342/1342 1342 ± 0 5.376 5.147/5.969 5.562 ± 0.4983
ea23 1342 1342/1342 1342 ± 0 6.039 5.545/6.44 6.045 ± 0.5627
ea25 1342 1342/1342 1342 ± 0.000002435 5.477 5.431/5.579 5.459 ± 0.1853
ea26 1342 1342/1342 1342 ± 0 6.087 5.614/6.558 6.068 ± 0.5186
ea27 1342 1342/1342 1342 ± 0.000007493 5.578 5.331/6.181 5.746 ± 0.5086
ea28 1342 1342/1342 1342 ± 0.000001722 5.674 5.509/6.344 5.881 ± 0.5411
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 ± 0.000026 5.55 5.386/5.741 5.51 ± 0.3274
3 1342 1342/1342 1342 ± 0.00003254 5.226 4.985/5.553 5.285 ± 0.3136
4 1342 1342/1342 1342 ± 0.000026 5.414 5.29/5.618 5.408 ± 0.2971
5 1342 1342/1342 1342 ± 0.000026 5.487 5.357/5.658 5.495 ± 0.2697
6 1342 1342/1342 1342 ± 0.000026 5.418 5.161/5.505 5.36 ± 0.2494
7 1342 1342/1342 1342 ± 0.000026 5.424 5.307/5.522 5.393 ± 0.2187
8 1342 1342/1342 1342 ± 0.000026 5.414 5.141/5.497 5.341 ± 0.2842
9 1342 1342/1342 1342 ± 0.000026 5.677 5.314/5.866 5.583 ± 0.3493
10 1342 1342/1342 1342 ± 0.000026 6.008 5.784/6.123 5.794 ± 0.6459
11 1342 1342/1342 1342 ± 0.000026 6.218 5.889/6.365 5.96 ± 0.7637
12 1342 1342/1342 1342 ± 0.000026 6.386 6.011/6.452 6.103 ± 0.7906
13 1342 1342/1342 1342 ± 0.000026 6.706 6.391/6.875 6.44 ± 0.8352
14 1342 1342/1342 1342 ± 0.000026 6.803 6.557/7.018 6.576 ± 0.8648
15 1342 1342/1342 1342 ± 0.000026 6.268 6.021/6.584 6.059 ± 0.831
16 1342 1342/1342 1342 ± 0.00002664 5.558 5.395/6.044 5.578 ± 0.7379
17 1342 1342/1342 1342 ± 0.00002605 5.638 5.53/6.096 5.615 ± 0.7255
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38520431.eb38554942.59063.924480127316_split_split.ms
overwrite_modelcol
False
Start time
2024-03-29 07:13:04.238
End
2024-03-29 07:57:15.839
Duration
0:44:11.601
Note, WebLog generation is not included in the time.

CASA logs for stage 7