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

Statwt Summary Plot

VLASS2.1.sb38458451.eb38565931.59072.733167094906_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 5.031 4.848/5.667 5.25 ± 0.511
ea02 1342 1342/1342 1342 ± 0.00003141 5.229 4.971/6.157 5.545 ± 0.6325
ea05 1342 1342/1342 1342 ± 0.000006958 5.312 4.915/6.04 5.459 ± 0.612
ea06 1342 1342/1342 1342 ± 0.0000117 4.773 4.63/5.294 4.944 ± 0.4616
ea07 1342 1342/1342 1342 ± 0.00001736 5.307 4.988/5.624 5.373 ± 0.4792
ea08 1342 1342/1342 1342 ± 0.0000356 5.439 5.095/6.343 5.751 ± 0.6781
ea09 1342 1342/1342 1342 ± 0.00001063 4.876 4.652/5.675 5.059 ± 0.5403
ea10 1342 1342/1342 1342 ± 0.00002313 5.292 4.794/6.13 5.458 ± 0.6502
ea11 1342 1342/1342 1342 ± 0.00001645 5.337 4.929/6.103 5.53 ± 0.6299
ea12 1342 1342/1342 1342 ± 0.00001502 5.159 4.943/6.076 5.436 ± 0.6389
ea13 1342 1342/1342 1342 ± 0.00001236 5.431 5.299/6.014 5.682 ± 0.5184
ea14 1342 1342/1342 1342 ± 0.000008182 5.659 5.049/6.181 5.642 ± 0.6173
ea15 1342 1342/1342 1342 ± 0.00000412 5.181 4.861/5.838 5.382 ± 0.5896
ea16 1342 1342/1342 1342 ± 0 4.959 4.872/5.151 4.953 ± 0.1983
ea17 1342 1342/1342 1342 ± 0.00004293 5.405 5.071/6.44 5.653 ± 0.6467
ea18 1342 1342/1342 1342 ± 0.0000178 4.693 4.474/5.422 4.854 ± 0.5076
ea19 1342 1342/1342 1342 ± 0.000004598 5.511 5.046/6.236 5.628 ± 0.5986
ea20 1342 1342/1342 1342 ± 0.0000177 5.522 5.226/6.426 5.741 ± 0.6823
ea21 1342 1342/1342 1342 ± 0.00001186 5.253 4.993/5.942 5.455 ± 0.5422
ea22 1342 1342/1342 1342 ± 0.00002037 5.148 4.886/6.147 5.469 ± 0.6515
ea23 1342 1342/1342 1342 ± 0.00001732 5.485 5.126/6.21 5.682 ± 0.6517
ea25 1342 1342/1342 1342 ± 0 4.911 4.751/5.057 4.948 ± 0.1799
ea26 1342 1342/1342 1342 ± 0.00001175 5.175 5.093/6.163 5.502 ± 0.6031
ea27 1342 1342/1342 1342 ± 0.00004046 5.165 4.995/6.086 5.444 ± 0.5681
ea28 1342 1342/1342 1342 ± 0.00004248 5.229 4.967/6.124 5.506 ± 0.6426
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 ± 0.00002394 5.063 4.863/5.224 5.061 ± 0.2266
4 1342 1342/1342 1342 ± 0.00002586 4.752 4.581/4.863 4.708 ± 0.25
5 1342 1342/1342 1342 ± 0.00002394 4.911 4.805/5.018 4.919 ± 0.2397
6 1342 1342/1342 1342 ± 0.00002394 4.963 4.89/5.064 4.962 ± 0.2078
7 1342 1342/1342 1342 ± 0.00002394 4.958 4.851/5.049 4.951 ± 0.1869
8 1342 1342/1342 1342 ± 0.00002394 4.992 4.78/5.094 4.956 ± 0.2287
9 1342 1342/1342 1342 ± 0.00002394 5.25 5.136/5.445 5.225 ± 0.2601
10 1342 1342/1342 1342 ± 0.00002492 5.646 5.437/5.781 5.616 ± 0.2738
11 1342 1342/1342 1342 ± 0.00002492 5.974 5.808/6.024 5.866 ± 0.2923
12 1342 1342/1342 1342 ± 0.00002492 6.126 5.845/6.181 6.035 ± 0.2895
13 1342 1342/1342 1342 ± 0.00002492 6.381 6.208/6.592 6.377 ± 0.3062
14 1342 1342/1342 1342 ± 0.00002802 6.537 6.349/6.701 6.471 ± 0.3242
15 1342 1342/1342 1342 ± 0.00002492 6.314 6.079/6.457 6.228 ± 0.3452
16 1342 1342/1342 1342 ± 0.00005535 5.193 4.927/5.339 5.123 ± 0.3195
17 1342 1342/1342 1342 ± 0.0000562 5.111 4.894/5.358 5.119 ± 0.3518
overwrite_modelcol
False
vis
VLASS2.1.sb38458451.eb38565931.59072.733167094906_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
Start time
2024-11-07 22:01:49.259
End
2024-11-07 23:04:21.522
Duration
1:02:32.263
Note, WebLog generation is not included in the time.

CASA logs for stage 8