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

Statwt Summary Plot

VLASS2.1.sb38500385.eb38635359.59099.351010810184_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 5.834 5.174/6.353 5.755 ± 0.6414
ea02 1342 1342/1342 1342 ± 0.00004573 6.236 5.137/6.855 5.873 ± 1.011
ea04 1342 1342/1342 1342 ± 0.00001008 5.472 4.944/6.09 5.449 ± 0.8132
ea05 1342 1342/1342 1342 ± 0.000007434 5.576 4.985/6.398 5.688 ± 0.8417
ea06 1342 1342/1342 1342 ± 0.00001705 4.731 4.281/5.338 4.803 ± 0.6259
ea07 1342 1342/1342 1342 ± 0.00002717 5.733 5.238/6.377 5.828 ± 0.9554
ea08 1342 1342/1342 1342 ± 0.00001998 6.613 5.57/7.099 6.3 ± 0.8307
ea09 1342 1342/1342 1342 ± 0.00004275 5.749 5.061/6.551 5.704 ± 0.869
ea10 1342 1342/1342 1342 ± 0.00004016 5.787 5.175/6.796 5.861 ± 0.9947
ea11 1342 1342/1342 1342 ± 0.00004402 6.159 4.904/6.511 5.713 ± 1.039
ea12 1342 1342/1342 1342 ± 0.00002816 5.68 5.135/6.501 5.725 ± 0.9909
ea13 1342 1342/1342 1342 ± 0.00002761 5.868 5.358/6.373 5.905 ± 0.8212
ea14 1342 1342/1342 1342 ± 0.00002459 5.48 5.153/6.457 5.731 ± 0.8939
ea15 1342 1342/1342 1342 ± 0.000006339 5.054 4.936/6.246 5.539 ± 0.9516
ea16 1342 1342/1342 1342 ± 0.0000183 5.761 5.335/6.914 6.028 ± 1.065
ea17 1342 1342/1342 1342 ± 0.00002044 6.063 5.501/7.042 6.196 ± 0.7899
ea18 1342 1342/1342 1342 ± 0.00004038 4.875 4.598/5.707 5.058 ± 0.6994
ea19 1342 1342/1342 1342 ± 0.00001852 5.87 5.487/6.945 6.095 ± 0.9604
ea20 1342 1342/1342 1342 ± 0.00003675 5.831 5.562/7.011 6.082 ± 1.043
ea21 1342 1342/1342 1342 ± 0.000008328 5.502 5.286/6.464 5.737 ± 0.8998
ea22 1342 1342/1342 1342 ± 0.00004395 5.142 4.884/6.369 5.551 ± 0.8491
ea23 1342 1342/1342 1342 ± 0.00002846 5.534 5.265/6.682 5.862 ± 1.076
ea25 1342 1342/1342 1342 ± 0.00004388 5.268 5.078/6.363 5.57 ± 0.926
ea26 1342 1342/1342 1342 ± 0.00002314 5.803 5.628/6.983 6.098 ± 0.9616
ea27 1342 1342/1342 1342 ± 0.00003624 5.474 5.307/6.603 5.806 ± 0.817
ea28 1342 1342/1342 1342 ± 0.00004412 5.705 5.28/6.622 5.847 ± 0.9661
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 ± 0.0000235 5.433 5.156/5.688 5.399 ± 0.3057
6 1342 1342/1342 1342 ± 0.0000235 5.199 5.002/5.335 5.149 ± 0.2947
7 1342 1342/1342 1342 ± 0.00002356 5.214 5.05/5.408 5.181 ± 0.29
8 1342 1342/1342 1342 ± 0.0000235 5.175 5.013/5.335 5.15 ± 0.3076
9 1342 1342/1342 1342 ± 0.00002516 5.468 5.109/5.725 5.371 ± 0.3784
10 1342 1342/1342 1342 ± 0.0000235 6.085 5.926/6.251 6.027 ± 0.3289
11 1342 1342/1342 1342 ± 0.0000235 6.365 6.163/6.473 6.306 ± 0.3483
12 1342 1342/1342 1342 ± 0.0000235 6.524 6.362/6.71 6.507 ± 0.3821
13 1342 1342/1342 1342 ± 0.0000235 6.971 6.831/7.108 6.934 ± 0.4087
14 1342 1342/1342 1342 ± 0.0000235 7.16 6.95/7.372 7.12 ± 0.4612
15 1342 1342/1342 1342 ± 0.00002449 6.737 6.503/7.005 6.671 ± 0.4652
16 1342 1342/1342 1342 ± 0.00006102 4.294 4.129/4.42 4.27 ± 0.2005
17 1342 1342/1342 1342 ± 0.000061 4.28 4.124/4.514 4.308 ± 0.2539
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38500385.eb38635359.59099.351010810184_split_split.ms
output_dir
 
Start time
2024-11-02 19:04:11.556
End
2024-11-02 20:13:39.388
Duration
1:09:27.832
Note, WebLog generation is not included in the time.

CASA logs for stage 8