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

Statwt Summary Plot

VLASS2.1.sb38498189.eb38518036.59051.15321533565_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 5.335 5.139/6.16 5.499 ± 0.7743
ea02 1342 1342/1342 1342 ± 0.00004709 5.771 5.301/6.566 5.755 ± 0.907
ea04 1342 1342/1342 1342 ± 0.0000165 5.339 5.02/5.888 5.371 ± 0.7249
ea05 1342 1342/1342 1342 ± 0.00002466 5.452 5.049/6.191 5.598 ± 0.7922
ea06 1342 1342/1342 1342 ± 0.00002414 4.789 4.63/5.409 4.822 ± 0.6344
ea07 1342 1342/1342 1342 ± 0.00004272 5.696 5.337/6.178 5.635 ± 0.856
ea08 1342 1342/1342 1342 ± 0.00004262 5.872 5.497/6.765 5.961 ± 0.9684
ea09 1342 1342/1342 1342 ± 0.00003034 5.31 4.879/5.688 5.215 ± 0.6374
ea10 1342 1342/1342 1342 ± 0.00004047 4.941 4.59/5.544 4.957 ± 0.6356
ea11 1342 1342/1342 1342 ± 0.00004417 5.789 5.311/6.543 5.755 ± 0.949
ea12 1342 1342/1342 1342 ± 0.00002763 5.539 5.254/6.398 5.619 ± 0.9473
ea13 1342 1342/1342 1342 ± 0.00001752 5.785 5.626/6.26 5.83 ± 0.7352
ea14 1342 1342/1342 1342 ± 0.00003268 5.622 5.311/6.508 5.788 ± 0.8426
ea15 1342 1342/1342 1342 ± 0.00001862 5.416 5.202/6.341 5.607 ± 0.8982
ea16 1342 1342/1342 1342 ± 0.00003249 5.809 5.452/6.752 5.906 ± 0.9533
ea17 1342 1342/1342 1342 ± 0.00003903 5.833 5.413/6.795 5.924 ± 0.8761
ea18 1342 1342/1342 1342 ± 0.00004138 4.904 4.807/5.759 5.065 ± 0.6885
ea19 1342 1342/1342 1342 ± 0.00001077 5.764 5.507/6.53 5.936 ± 0.8213
ea20 1342 1342/1342 1342 ± 0.0000353 5.882 5.646/6.731 5.978 ± 1.02
ea21 1342 1342/1342 1342 ± 0.00003174 5.572 5.351/6.254 5.641 ± 0.7958
ea22 1342 1342/1342 1342 ± 0.00004177 5.392 5.055/6.381 5.551 ± 0.8525
ea23 1342 1342/1342 1342 ± 0.00004088 5.889 5.397/6.601 5.787 ± 0.9895
ea24 1342 1342/1342 1342 ± 0.00002025 5.168 4.819/6.028 5.361 ± 0.7108
ea25 1342 1342/1342 1342 ± 0.00004223 5.349 5.098/6.238 5.485 ± 0.8232
ea26 1342 1342/1342 1342 ± 0.00003605 5.688 5.61/6.663 5.923 ± 0.8724
ea27 1342 1342/1342 1342 ± 0.00004197 5.575 5.314/6.508 5.685 ± 0.8645
ea28 1342 1342/1342 1342 ± 0.00004272 5.66 5.385/6.573 5.776 ± 0.9145
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 5.374 5.113/5.54 5.31 ± 0.3485
5 1342 1342/1342 1342 ± 0.00002392 5.311 5.074/5.472 5.274 ± 0.2996
6 1342 1342/1342 1342 ± 0.00002308 5.338 5.032/5.547 5.309 ± 0.2957
7 1342 1342/1342 1342 ± 0.00002308 5.32 5.073/5.499 5.275 ± 0.2942
8 1342 1342/1342 1342 ± 0.00002308 5.304 4.978/5.459 5.237 ± 0.3273
9 1342 1342/1342 1342 ± 0.00002378 5.57 5.169/5.727 5.45 ± 0.3519
10 1342 1342/1342 1342 ± 0.00002308 6.059 5.856/6.168 5.964 ± 0.3433
11 1342 1342/1342 1342 ± 0.00002308 6.26 6.029/6.462 6.21 ± 0.3512
12 1342 1342/1342 1342 ± 0.00002308 6.4 6.176/6.596 6.371 ± 0.382
13 1342 1342/1342 1342 ± 0.00002308 6.776 6.462/6.965 6.677 ± 0.4463
14 1342 1342/1342 1342 ± 0.00002308 6.775 6.428/7.016 6.672 ± 0.495
15 1342 1342/1342 1342 ± 0.00002396 6.418 6.025/6.626 6.298 ± 0.4529
16 1342 1342/1342 1342 ± 0.00005881 4.041 3.87/4.2 4.037 ± 0.2471
17 1342 1342/1342 1342 ± 0.00005826 4.071 3.89/4.316 4.107 ± 0.3073
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
vis
VLASS2.1.sb38498189.eb38518036.59051.15321533565_split_split.ms
output_dir
 
Start time
2024-04-21 09:26:33.183
End
2024-04-21 10:24:03.526
Duration
0:57:30.344
Note, WebLog generation is not included in the time.

CASA logs for stage 7