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

Statwt Summary Plot

VLASS2.1.sb38482214.eb38565046.59071.1506340625_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 5.366 5.267/5.955 5.427 ± 0.803
ea02 1342 1342/1342 1342 ± 0.00004221 5.807 5.381/6.442 5.72 ± 0.9793
ea05 1342 1342/1342 1342 ± 0.0000175 5.562 5.154/6.581 5.751 ± 0.8128
ea06 1342 1342/1342 1342 ± 0.000003564 4.929 4.841/5.441 4.987 ± 0.5633
ea07 1342 1342/1342 1342 ± 0.00004205 5.778 5.351/6.047 5.604 ± 0.7969
ea08 1342 1342/1342 1342 ± 0.00004236 5.914 5.655/6.776 5.978 ± 1.029
ea09 1342 1342/1342 1342 ± 0.00001778 3.855 3.327/5.817 4.456 ± 1.18
ea10 1342 1342/1342 1342 ± 0.00004209 5.346 5.073/6.347 5.524 ± 0.8466
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.000002762 5.738 5.438/6.671 5.891 ± 0.9638
ea13 1342 1342/1342 1342 ± 0.00001726 5.872 5.699/6.41 5.901 ± 0.7746
ea14 1342 1342/1342 1342 ± 0.00001748 6.624 6.083/6.989 6.141 ± 1.077
ea15 1342 1342/1342 1342 ± 0 5.408 5.225/6.315 5.67 ± 0.8644
ea16 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea17 1342 1342/1342 1342 ± 0.00004259 5.952 5.604/6.654 5.921 ± 0.9611
ea18 1342 1342/1342 1342 ± 0.0000251 4.998 4.702/5.843 5.123 ± 0.7245
ea19 1342 1342/1342 1342 ± 0.00001072 5.688 5.424/6.746 5.92 ± 0.8507
ea20 1342 1342/1342 1342 ± 0.00001395 5.986 5.816/7.18 6.154 ± 1.049
ea21 1342 1342/1342 1342 ± 0.00002728 5.579 5.35/6.414 5.733 ± 0.8256
ea22 1342 1342/1342 1342 ± 0.00003655 5.351 5.125/6.276 5.466 ± 0.8819
ea23 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea25 1342 1342/1342 1342 ± 0 5.407 5.323/5.43 5.384 ± 0.1702
ea26 1342 1342/1342 1342 ± 0.00001604 5.657 5.516/6.628 5.789 ± 0.8244
ea27 1342 1342/1342 1342 ± 0.00004418 5.535 5.187/6.399 5.603 ± 0.875
ea28 1342 1342/1342 1342 ± 0.00005484 6.556 5.598/6.69 5.936 ± 1.233
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 ± 0.00002662 5.437 5.196/5.74 5.407 ± 0.5084
3 1342 1342/1342 1342 ± 0.0000266 5.503 5.127/5.672 5.344 ± 0.5559
5 1342 1342/1342 1342 ± 0.00002692 5.407 5.264/5.587 5.303 ± 0.5505
6 1342 1342/1342 1342 ± 0.00002662 5.375 5.093/5.49 5.257 ± 0.5263
7 1342 1342/1342 1342 ± 0.00002662 5.381 5.139/5.492 5.271 ± 0.5091
8 1342 1342/1342 1342 ± 0.00002662 5.366 5.068/5.418 5.199 ± 0.519
9 1342 1342/1342 1342 ± 0.00002662 5.607 5.36/5.834 5.491 ± 0.5993
10 1342 1342/1342 1342 ± 0.00002601 6.101 5.828/6.167 6.008 ± 0.3541
11 1342 1342/1342 1342 ± 0.00002601 6.381 6.29/6.522 6.311 ± 0.3704
12 1342 1342/1342 1342 ± 0.00002601 6.612 6.281/6.683 6.487 ± 0.3879
13 1342 1342/1342 1342 ± 0.00002601 6.744 6.369/7.05 6.71 ± 0.4371
14 1342 1342/1342 1342 ± 0.00003265 6.604 6.22/7.057 6.611 ± 0.5469
15 1342 1342/1342 1342 ± 0.00002601 6.773 6.631/7.097 6.729 ± 0.4935
16 1342 1342/1342 1342 ± 0.000061 3.987 3.818/4.258 4.043 ± 0.2914
17 1342 1342/1342 1342 ± 0.00006084 3.992 3.838/4.254 4.043 ± 0.2647
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
vis
VLASS2.1.sb38482214.eb38565046.59071.1506340625_split_split.ms
overwrite_modelcol
False
Start time
2024-04-22 09:31:03.457
End
2024-04-22 10:35:44.248
Duration
1:04:40.790
Note, WebLog generation is not included in the time.

CASA logs for stage 7