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

Statwt Summary Plot

VLASS2.1.sb38464181.eb38625161.59091.97021673611_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 5.235 5.141/6.051 5.589 ± 0.5796
ea02 1342 1342/1342 1342 ± 0.000008832 5.921 5.255/6.551 5.994 ± 0.7336
ea04 1342 1342/1342 1342 ± 0 5.276 5.007/5.902 5.461 ± 0.5505
ea05 1342 1342/1342 1342 ± 0.000001253 5.53 5.327/6.465 5.804 ± 0.643
ea06 1342 1342/1342 1342 ± 0.00002187 4.753 4.572/5.362 4.96 ± 0.4678
ea07 1342 1342/1342 1342 ± 0.00004237 5.752 5.155/6.284 5.825 ± 0.7332
ea08 1342 1342/1342 1342 ± 0.00002233 5.61 5.377/6.71 6.055 ± 0.7806
ea10 1342 1342/1342 1342 ± 0.00004282 5.67 5.088/6.614 5.786 ± 0.7888
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.000003487 5.351 5.157/6.392 5.736 ± 0.7372
ea13 1342 1342/1342 1342 ± 0 6.23 5.655/6.409 6.111 ± 0.5765
ea14 1342 1342/1342 1342 ± 0.00002492 5.239 5.004/6.322 5.642 ± 0.7294
ea15 1342 1342/1342 1342 ± 0 5.381 4.945/6.044 5.544 ± 0.6847
ea16 1342 1342/1342 1342 ± 0.000001233 5.67 5.355/6.788 6.036 ± 0.8777
ea17 1342 1342/1342 1342 ± 0.00004286 5.762 5.312/6.605 5.983 ± 0.7361
ea18 1342 1342/1342 1342 ± 0.00003136 4.796 4.609/5.584 5.032 ± 0.5691
ea19 1342 1342/1342 1342 ± 0.00001751 5.616 5.403/6.592 5.993 ± 0.6706
ea20 1342 1342/1342 1342 ± 0.000008435 5.689 5.427/6.644 6.012 ± 0.7884
ea21 1342 1342/1342 1342 ± 0.00001844 5.323 5.202/6.276 5.723 ± 0.6498
ea22 1342 1342/1342 1342 ± 0 5.742 5.077/6.255 5.771 ± 0.6951
ea23 1342 1342/1342 1342 ± 0.00003988 5.419 5.185/6.541 5.881 ± 0.7898
ea25 1342 1342/1342 1342 ± 0.00004232 5.32 4.836/6.014 5.529 ± 0.7082
ea26 1342 1342/1342 1342 ± 0 6.304 5.548/6.808 6.274 ± 0.6795
ea27 1342 1342/1342 1342 ± 0.00004242 5.374 5.069/6.345 5.653 ± 0.6708
ea28 1342 1342/1342 1342 ± 0.00003972 5.451 5.267/6.471 5.782 ± 0.7585
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 ± 0.00002468 5.203 4.945/5.426 5.193 ± 0.2589
3 1342 1342/1342 1342 ± 0.0000248 4.994 4.841/5.141 4.998 ± 0.3202
5 1342 1342/1342 1342 ± 0.0000338 5.179 4.825/5.272 5.138 ± 0.2978
6 1342 1342/1342 1342 ± 0.00002441 5.278 5.016/5.412 5.215 ± 0.2817
7 1342 1342/1342 1342 ± 0.00002441 5.246 5.086/5.422 5.241 ± 0.259
8 1342 1342/1342 1342 ± 0.00002441 5.197 5.018/5.348 5.16 ± 0.2745
9 1342 1342/1342 1342 ± 0.00002586 5.447 5.284/5.723 5.459 ± 0.2957
10 1342 1342/1342 1342 ± 0.00002441 6.025 5.863/6.157 5.958 ± 0.3262
11 1342 1342/1342 1342 ± 0.00002441 6.304 6.088/6.372 6.195 ± 0.3381
12 1342 1342/1342 1342 ± 0.00002441 6.432 6.259/6.582 6.368 ± 0.3714
13 1342 1342/1342 1342 ± 0.00002441 6.844 6.717/7.092 6.812 ± 0.3834
14 1342 1342/1342 1342 ± 0.00002441 7.172 6.846/7.29 7.036 ± 0.4287
15 1342 1342/1342 1342 ± 0.00002443 6.552 6.235/6.791 6.467 ± 0.4671
16 1342 1342/1342 1342 ± 0.00006015 5.023 4.848/5.395 5.118 ± 0.4211
17 1342 1342/1342 1342 ± 0.00005801 5.322 5.127/5.615 5.397 ± 0.4688
vis
VLASS2.1.sb38464181.eb38625161.59091.97021673611_split_split.ms
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
Start time
2024-12-21 10:32:36.103
End
2024-12-21 11:21:42.637
Duration
0:49:06.534
Note, WebLog generation is not included in the time.

CASA logs for stage 8