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

Statwt Summary Plot

VLASS2.1.sb38520431.eb38554942.59063.924480127316_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 5.413 5.345/6.082 5.684 ± 0.5048
ea02 1342 1342/1342 1342 ± 0.00001793 5.831 5.383/6.471 5.931 ± 0.6267
ea04 1342 1342/1342 1342 ± 0.00001728 5.673 5.327/6.2 5.778 ± 0.5307
ea05 1342 1342/1342 1342 ± 0 5.959 5.404/6.443 5.901 ± 0.5526
ea06 1342 1342/1342 1342 ± 0 3.281 3.176/3.587 3.344 ± 0.1927
ea07 1342 1342/1342 1342 ± 0.000001759 5.503 5.459/5.831 5.581 ± 0.2035
ea08 1342 1342/1342 1342 ± 0.00002187 5.838 5.547/6.657 6.056 ± 0.6715
ea09 1342 1342/1342 1342 ± 0.00001459 5.091 4.819/5.453 5.162 ± 0.376
ea10 1342 1342/1342 1342 ± 0 5.653 5.305/6.421 5.805 ± 0.5792
ea11 1342 1342/1342 1342 ± 0.000001232 5.823 5.462/6.473 5.979 ± 0.5872
ea12 1342 1342/1342 1342 ± 0 5.961 5.462/6.318 5.943 ± 0.4925
ea13 1342 1342/1342 1342 ± 0.000003257 5.864 5.773/6.29 6.069 ± 0.4495
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea16 1342 1342/1342 1342 ± 0 5.158 5.033/5.343 5.179 ± 0.2782
ea17 1342 1342/1342 1342 ± 0.00001231 6.129 5.769/6.724 6.236 ± 0.5559
ea18 1342 1342/1342 1342 ± 0 5.175 4.906/5.625 5.293 ± 0.4384
ea19 1342 1342/1342 1342 ± 0 6.595 6.302/6.929 6.656 ± 0.361
ea21 1342 1342/1342 1342 ± 0.000001232 5.921 5.553/6.389 6.006 ± 0.5221
ea22 1342 1342/1342 1342 ± 0.0000167 5.308 5.12/6.209 5.592 ± 0.5834
ea23 1342 1342/1342 1342 ± 0 6.121 5.584/6.592 6.154 ± 0.61
ea25 1342 1342/1342 1342 ± 0.000002439 5.457 5.406/5.508 5.443 ± 0.1685
ea26 1342 1342/1342 1342 ± 0.000002816 5.705 5.52/6.556 5.979 ± 0.5464
ea27 1342 1342/1342 1342 ± 0.00001521 5.487 5.333/6.31 5.736 ± 0.5429
ea28 1342 1342/1342 1342 ± 0.00003314 5.723 5.482/6.496 5.921 ± 0.632
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 ± 0.00002601 5.558 5.357/5.712 5.482 ± 0.3019
3 1342 1342/1342 1342 ± 0.00003168 5.145 4.943/5.575 5.238 ± 0.3412
4 1342 1342/1342 1342 ± 0.00003008 5.346 5.108/5.537 5.327 ± 0.2923
5 1342 1342/1342 1342 ± 0.00002601 5.459 5.33/5.622 5.454 ± 0.2818
6 1342 1342/1342 1342 ± 0.00002601 5.384 5.229/5.486 5.346 ± 0.2552
7 1342 1342/1342 1342 ± 0.00002601 5.41 5.303/5.56 5.394 ± 0.2401
8 1342 1342/1342 1342 ± 0.00002601 5.403 5.177/5.543 5.362 ± 0.2817
9 1342 1342/1342 1342 ± 0.00002601 5.73 5.333/5.892 5.611 ± 0.3495
10 1342 1342/1342 1342 ± 0.00002601 6.069 5.865/6.225 5.862 ± 0.6285
11 1342 1342/1342 1342 ± 0.00002601 6.282 6.026/6.412 6.027 ± 0.7363
12 1342 1342/1342 1342 ± 0.00002601 6.396 6.102/6.51 6.165 ± 0.7446
13 1342 1342/1342 1342 ± 0.00002601 6.792 6.481/6.912 6.522 ± 0.8027
14 1342 1342/1342 1342 ± 0.00002601 6.881 6.679/7.101 6.672 ± 0.8167
15 1342 1342/1342 1342 ± 0.00002601 6.468 6.302/6.748 6.276 ± 0.8149
16 1342 1342/1342 1342 ± 0.0000431 5.614 5.322/6.027 5.539 ± 0.6839
17 1342 1342/1342 1342 ± 0.00003608 5.64 5.384/6.074 5.643 ± 0.5209
datacolumn
residual_data
vis
VLASS2.1.sb38520431.eb38554942.59063.924480127316_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
Start time
2024-03-29 08:05:32.565
End
2024-03-29 08:57:08.838
Duration
0:51:36.273
Note, WebLog generation is not included in the time.

CASA logs for stage 7