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

Statwt Summary Plot

VLASS2.1.sb38608477.eb38643773.59104.940213009264_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 5.542 5.237/5.965 5.669 ± 0.5501
ea02 1342 1342/1342 1342 ± 0 5.493 5.197/6.214 5.709 ± 0.6275
ea04 1342 1342/1342 1342 ± 0 5.265 4.907/6.008 5.458 ± 0.6148
ea05 1342 1342/1342 1342 ± 0 5.691 5.017/6.126 5.594 ± 0.5854
ea06 1342 1342/1342 1342 ± 0 5.004 4.735/5.374 5.047 ± 0.4075
ea07 1342 1342/1342 1342 ± 0 5.934 5.352/6.184 5.911 ± 0.6026
ea08 1342 1342/1342 1342 ± 0 5.675 5.472/6.611 6.035 ± 0.7084
ea09 1342 1342/1342 1342 ± 0 5.309 4.761/5.879 5.355 ± 0.6293
ea10 1342 1342/1342 1342 ± 0 5.951 5.257/6.625 5.947 ± 0.7121
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.741 5.249/6.43 5.915 ± 0.6866
ea13 1342 1342/1342 1342 ± 0 5.464 5.034/5.843 5.516 ± 0.5906
ea14 1342 1342/1342 1342 ± 0 5.692 5.142/6.312 5.768 ± 0.7315
ea15 1342 1342/1342 1342 ± 0 5.36 4.947/6.097 5.572 ± 0.6897
ea16 1342 1342/1342 1342 ± 0 5.909 5.429/6.639 6.073 ± 0.7711
ea17 1342 1342/1342 1342 ± 0.000001071 5.965 5.552/6.519 6.094 ± 0.6529
ea18 1342 1342/1342 1342 ± 0 4.968 4.662/5.509 5.101 ± 0.5492
ea19 1342 1342/1342 1342 ± 0 5.72 5.28/6.461 5.928 ± 0.6761
ea20 1342 1342/1342 1342 ± 0 6.053 5.639/6.719 6.211 ± 0.6665
ea21 1342 1342/1342 1342 ± 0 5.554 5.16/6.135 5.675 ± 0.6093
ea22 1342 1342/1342 1342 ± 0 5.113 4.877/5.926 5.38 ± 0.6317
ea23 1342 1342/1342 1342 ± 0 5.902 5.406/6.415 6.013 ± 0.7085
ea25 1342 1342/1342 1342 ± 0 5.672 5.3/6.213 5.816 ± 0.6335
ea26 1342 1342/1342 1342 ± 0 5.497 5.065/6.139 5.636 ± 0.6847
ea27 1342 1342/1342 1342 ± 0 5.558 5.286/6.417 5.744 ± 0.6205
ea28 1342 1342/1342 1342 ± 0.000002833 5.741 5.457/6.483 5.936 ± 0.6878
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 ± 0.00002392 5.172 4.987/5.442 5.212 ± 0.2681
3 1342 1342/1342 1342 ± 0.00002392 5.087 4.881/5.342 5.099 ± 0.3045
4 1342 1342/1342 1342 ± 0.00002424 5.047 4.806/5.282 5.044 ± 0.3593
5 1342 1342/1342 1342 ± 0.00002392 5.127 4.876/5.285 5.099 ± 0.2916
6 1342 1342/1342 1342 ± 0.00002392 5.169 4.953/5.299 5.13 ± 0.2685
7 1342 1342/1342 1342 ± 0.00002392 5.239 4.964/5.312 5.184 ± 0.2534
8 1342 1342/1342 1342 ± 0.00002392 5.189 4.858/5.357 5.147 ± 0.2975
9 1342 1342/1342 1342 ± 0.00002392 5.489 5.207/5.751 5.435 ± 0.3455
10 1342 1342/1342 1342 ± 0.00002392 5.922 5.714/6.068 5.873 ± 0.3306
11 1342 1342/1342 1342 ± 0.00002392 6.145 5.894/6.278 6.104 ± 0.3433
12 1342 1342/1342 1342 ± 0.00002439 6.338 6.122/6.542 6.293 ± 0.376
13 1342 1342/1342 1342 ± 0.00002392 6.703 6.433/7.001 6.715 ± 0.3958
14 1342 1342/1342 1342 ± 0.00002392 6.888 6.647/7.208 6.893 ± 0.4146
15 1342 1342/1342 1342 ± 0.00002392 6.629 6.417/6.824 6.563 ± 0.3918
16 1342 1342/1342 1342 ± 0.00002401 5.858 5.603/6.156 5.888 ± 0.4077
17 1342 1342/1342 1342 ± 0.00002395 5.862 5.712/6.203 5.93 ± 0.363
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38608477.eb38643773.59104.940213009264_split_split.ms
Start time
2025-01-01 04:22:19.863
End
2025-01-01 05:34:40.954
Duration
1:12:21.092
Note, WebLog generation is not included in the time.

CASA logs for stage 8